Relocate to 🇩🇪 Germany

THE ROLE & THE TEAM

The ZEOS Outbound team handles article liquidation and return of articles to merchants. As a Software Engineer, you will join an agile, cross-functional team dedicated to building the high-performance services that power our partner-facing products. We work in an API-first environment where we turn complex business logic into scalable, reliable software.

In this role, you will work alongside Software Engineers and Product Managers to implement new features and evolve our microservice landscape. You will be part of a culture that values technical curiosity and operational responsibility. At ZEOS, we believe in "You Write It, You Run It," meaning you will be involved in the entire lifecycle of your services—from the first line of Java code to monitoring and operating your applications in our cloud environment.

Learn more about our Software engineer team here and how we work together here

WHAT WE’D LOVE YOU TO DO (AND LOVE DOING)

• Develop Robust Services: Build and maintain scalable Microservices using Java and Spring Boot, ensuring your code is clean, well-documented, and performant.
• Design Clean APIs: Contribute to the design and implementation of RESTful services, focusing on creating intuitive interfaces for our customer portals and internal tools.
• Own Your Code: Take responsibility for the full development cycle. You will participate in the design, testing, and deployment of your features using Gradle and our CI/CD pipelines.
• Ensure Operational Health: Participate in the deployment and operation of your services within AWS and Kubernetes, learning to monitor and troubleshoot applications in a production environment.
• Collaborate and Grow: Participate in code reviews and team ceremonies, providing and receiving feedback to help maintain high standards of code quality and technical excellence.
• Think End-to-End: While focusing on the backend, you collaborate closely with frontend engineers and show an interest in Fullstack context to ensure we deliver a seamless experience to our partners.

WE’D LOVE TO MEET YOU IF

• Solid Java Foundation: You have professional experience in Java development and a good understanding of the Spring Boot framework. Knowledge in Kotlin is a plus.
• Event-Driven Systems: You understand how to build asynchronous, event-driven microservices and have experience working with streaming platforms like Nakadi or Apache Kafka.
• Database Know-How: You have practical experience with relational databases, specifically PostgreSQL, and understand how to design clean schemas and write efficient queries.
• Microservices Knowledge: You are familiar with Microservice architectures and have experience working with REST APIs and data handling (e.g., using Jackson).
• Reliable Individual Contributor: You have a proven track record of delivering stable features in an agile environment and taking ownership of your tasks from discovery to delivery.
• Tooling & Automation: You are comfortable using build tools like Gradle and have a strong interest in (or experience with) automated testing and CI/CD workflows.
• Cloud Ready: You are eager to work with AWS and Kubernetes and are excited to embrace the "You Write It, You Run It" mindset.
• Effective Communicator: You possess strong English skills and enjoy solving problems collaboratively in a diverse, international team environment.
• Forward-Thinking Developer: You comfortably use modern AI engineering tools like Codex CLI and Claude Code, have experience exposing and using MCPs, and naturally keep up with current shifts in tech.
• You consistently demonstrate a customer centric approach and start to flag continuous improvements initiatives within your area.

OUR OFFER

Zalando provides a range of benefits, here’s an overview of what you can expect. Ask your Talent Acquisition Partner to learn more about what we offer.

• 27 days of holiday a year to start for full-time employees (+1 day for every calendar year up to 30 days)
• 2 paid volunteering days a year
• Employee shares programme
• 40% off fashion and beauty products sold and shipped by Zalando, 30% off Lounge by Zalando, discounts from external partners
• Relocation assistance available (subject to prior agreement)
• Family services, including counselling and support
• Health and wellbeing options (including Wellhub, formerly Gympass)
• Mental health support and coaching available
• Drive your development through our training platform and biannual peer-to-peer review

Recruiter

Stella Lymperopoulou

What you’ll do

- PhD or equivalent research depth, with a track record of technical mentorship. PhD in CS, Statistics, Math, or Physics. Publications in SIGIR, KDD, NeurIPS, or ICLR, and 5+ years building large-scale recommender systems in AdTech, e-commerce, or social. You’ve owned architectural bets and had accountability for outcomes.

- You set the research direction. You identify the highest-leverage problems at the intersection of generative AI and recommendation, define the multi-quarter research agenda, and align engineering and product leadership. That means owning how Generative Retrieval, Deep Ranking, and Re-ranking evolve across a stack built on 770 million users' behavioral data.

- Deep expertise in PyTorch and large-scale model optimization. Hands-on with high-concurrency optimization, quantization, and distillation — getting large generative models to run under extreme production constraints, not just in research environments.

- You are the company's deepest resource on generative recommendation. You translate SOTA research into systems adjoe can ship, review architectural decisions across teams, and raise the ML quality bar company-wide. When there's a hard bottleneck, you're the first call.

- You grow the teams around you. You mentor senior and mid-level scientists, lead architectural debates, and drive long-horizon investments without needing a roadmap handed to you.

What’s in It for You?

At adjoe, you’re not here to just close JIRA tickets, you’re helping build the infrastructure behind one of the most impactful platforms in adtech. The systems you work on will reach hundreds of millions of users and power billions of decisions every day.

• Go Big. Own projects with impact on 770M users and push adtech boundaries.
• Move Fast. Ship solutions multiple times a day, learn from results, and keep momentum.
• Be Direct. Solve problems openly and collaborate across teams.
• Thrive Together. Grow with a diverse, global team of people from over 40 different countries that learn from each other.
• Have Fun. Celebrate wins, enjoy daily victories, and bring your energy.

Other

🌎 We welcome applications from talent worldwide and provide relocation support to Hamburg, Germany for those ready to join our team.

THE ROLE AND THE TEAM

In this role, you’ll be embedded in our Product & Tech Team at Tradebyte, where you’ll shape and deliver intuitive, visually compelling experiences across our next-generation products. You’ll bring exceptional visual design skills, a passion for craft, and an experimental mindset to create customer-centric solutions that delight users while driving business goals. With strong UI/UX fundamentals, you’ll help elevate the product experience through art direction, illustration, and motion design.

WHAT WE’D LOVE YOU TO DO (AND LOVE DOING)

• Shape the experience and visual direction of Tradebyte products, from concepts and experiments to polished, high-fidelity UI.
• Collaborate with cross-functional teams and translate problem definition, complex ideas and business goals into clear, elegant design concepts that surprise and delight.
• Rapidly prototype, test, and iterate on new features, being literate in motion, transitions, and microinteractions to bring moments of joy.
• Contribute to and evolve Tradebyte’s design system by proposing new patterns, components, and visual principles where needed.
• Share knowledge, inspire others through design reviews and critique, and push the visual quality and conceptual ambition of your team’s work.
• Support a culture of feedback, co-creation, and continuous learning by facilitating workshops and design sprints.

WE'D LOVE TO MEET YOU IF

• You have a proven record of designing visually rich, customer-facing digital products that drive measurable business outcomes. From concept to execution, you take ownership of the visual language of a product, ensuring it communicates value clearly and scales across complex B2B SaaS use cases.
• You excel in visual storytelling that resonates with professional users, elevating enterprise experiences through hierarchy, typography, color, and layout that balance usability with brand credibility. You understand how robust visual systems support customer goals, enable partner success, and advance business objectives.
• Hands-on with prototyping tools and enterprise-grade design systems, you know when to leverage established standards for consistency and when to adapt them to create memorable, differentiated moments that strengthen relationships with customers.
• You thrive in collaborative, cross-functional environments, communicating confidently with stakeholders, engineers, and business teams to align on customer needs and deliver solutions that scale. With a growth mindset, you value experimentation, testing bold ideas, learning from data, and evolving quickly to meet changing market demands.

OUR OFFER

• Employee shares program
• 40% off fashion and beauty products sold and shipped by Zalando, 30% off Lounge by Zalando, discounts from external partners
• 2 paid volunteering days a year
• Hybrid working model - work where it works for you within Germany or the UK, with occasional office attendance required for moments that matter.
• Work from abroad for up to 30 working days a year
• 27 days of vacation a year to start for full-time employees
• Relocation assistance available (subject to prior agreement)
• Family services, including counseling and support
• Health and wellbeing options (including Wellhub, formerly Gympass)
• Mental health support and coaching available
• Drive your development with our training offerings and biannual peer-to-peer review

Senior Android Developer (f/m/d)

Location: Hamburg

Employment Type: Full time

Location Type: Hybrid

What you’ll do

• Own the core development and optimization of the adjoe Ads SDK (Kotlin & Android Internals), running inside hundreds of publisher apps, ensuring zero tolerance for instability across millions of devices.
• Collaborate with backend teams to design APIs and capture behavioral signals powering 50 billion daily ML predictions; design APIs with backward-compatible changes for thousands of external integrators; work with high-performance networking protocols (gRPC, Protobuf, Wire, OkHTTP).
• Design for minimal footprint to optimize battery and memory usage, ensuring native and fast ad impressions inside third-party apps.
• Monitor, debug, and maintain SDK reliability at scale; use observability and data tools (Sentry, Kibana, AWS: S3, QuickSight, Athena) to turn data into engineering decisions.
• Maintain and improve CI/CD pipelines (Gradle, GitLab CI) to automate testing, building, and packaging of mobile libraries.
• Plus – contribute experience in ad-tech/programmatic advertising (IAB specifications), NDK/JNI (C/C++ interop on Android), or cross-platform iOS development to support the ecosystem.

Who we are looking for

• Kotlin & Android Internals Expertise: 5+ years of Android experience (or 3+ years in SDK/library development) with deep understanding of Android lifecycles, ProGuard/R8, and multithreading.
• High-Performance Network Design: Strong API design background with backward compatibility for external integrators; experience with gRPC, Protobuf, Wire, OkHTTP.
• Resource-Constrained Optimization: Ability to design for minimal footprint, optimize battery and memory usage for code running inside other apps/devices.
• Data-Driven Observability: Experience with Sentry, Kibana, AWS (S3, QuickSight, Athena) to monitor and analyze SDK behavior.
• Build Automation & Delivery: Hands-on experience with Gradle and GitLab CI for automated testing, building, and packaging.
• Plus: AdTech/programmatic advertising experience, NDK/JNI or cross-platform iOS development is valued.

What’s in it for you

• Global team with relocation support to Hamburg, Germany.
• Impactful projects affecting hundreds of millions of users and billions of decisions daily.
• Move fast: ship solutions multiple times a day; learn from results; maintain momentum.
• Direct collaboration across teams; transparent problem-solving.
• Thriving, diverse team from over 40 countries; continuous learning from colleagues.
• Fun environment with daily wins and energy.

Benefits & perks

• Relocation support to Hamburg for eligible candidates.
• Global, diverse team culture.

Senior Supply Partnerships Manager (f/m/d)

What You Will Do:

• Be responsible for building new gaming publisher partnerships for adjoe’s programmatic solution – adjoe Ads.
• Develop a holistic sales strategy and conquer a quarterly and annual pipeline for onboarding and retaining new publisher accounts.
• Establish a system of success by developing, managing, and nurturing the sales pipeline.
• Successfully implement our CRM tool into your teams’ day to day task to effectively track and report progress on your accounts and prospects.
• Work closely with our Product Marketing team to develop go-to-market materials with the focus on growing adjoe Ads’ portfolio of publishers.
• Help inform product strategy by feeding back publishers’ requirements to improve our platform.
• Represent adjoe Ads as a speaker and attendee at adtech industry events and conferences.
• Report directly to the Managing Director of adjoe Ads.

Who You Are:

• You bring 4+ years of experience in selling technology solutions to publishers with a proven track record in mobile ad tech / SDK sales.
• Managing sales pipelines using CRM software is your second nature.
• You are a confident networker with superior communication skills.
• You have a strong revenue- and growth-oriented mindset.
• You lead by example and are a great teacher who can transfer their sales knowledge to other team members.
• You consistently challenge the status quo and think outside the box, always ready to adapt your approach when needed.
• You have experience developing a holistic sales strategy to reach publishers at every stage of the sales cycle.
• You are goal driven and resourceful when it comes to closing new publisher contracts.
• You are a proficient and passionate public speaker.
• You come with an impressive network in the mobile adtech and games industry.
• You have a deep understanding of mobile adtech and app economies.

Fuel for the Journey: Benefits to Support Your Ambitions

• Invest in Your Future: Regular feedback and our development program support your growth, helping you expand your skillset and achieve your career goals.
• Easy Arrival to adjoe: From signing to settling in Hamburg, we’ve got you covered. Need a visa? No problem. Ready to build your new life and career at adjoe in Hamburg? We support every ambition—from learning German to a relocation bonus that helps you settle in and make Hamburg feel like home.
• Live Your Best Life, at Work and Beyond: We work in a hybrid setup with 3 core office days, plus flexible working hours. Enjoy 30 vacation days, 3 weeks of remote work per year, and free access to an in-house gym with lots of different fitness classes and mental health support through our Employee Assistance Program (EAP).
• Never-Go-Hungry: Graze on regular company and team lunches, free breakfasts, and a selection of free snacks and drinks.
• Thrive Where You Work: Enjoy the Alster lake view from our central office with top-notch equipment and fun open spaces.
• Join the Community! Participate in regular team and company events, including hackathons and social gatherings. We work together, and we celebrate together, too.

THE ROLE & THE TEAM

Look, we know the stereotype. Mention an "outlet", and people picture endless rows of discount racks, uninspired banners, and generic sale badges.

But Lounge by Zalando operates differently. We are actively redefining off-price retail, subverting expectations for what a shopping app can be. To do that, we need a Senior Designer who can elevate a routine promo into a cultural moment – someone who truly understands the grid before they break it.

Working side by side with Creative Direction, Art Direction, and Copy, you will build bold typographic systems, motion assets, and social designs that make people stop scrolling. The goal? To make them think, “Wait, an outlet did that?”

WHAT WE’D LOVE YOU TO DO (AND LOVE DOING)

• You manage creative projects end-to-end, taking full ownership of project timelines and leading design initiatives from initial concept to final delivery.
• You establish, build, and meticulously manage robust Design Systems to ensure design scalability and consistency across all brand touchpoints.
• You apply an expert understanding of typography to elevate the brand's visual storytelling, campaign assets, and daily digital communications.
• You conceptualize and execute high-impact static and motion design assets for various marketing channels, ensuring an innovative and dynamic digital presence.
• You develop dedicated, visually captivating social media designs (both organic and paid) that increase customer engagement and brand awareness.
• You translate complex design systems and project frameworks into simple, high-impact, and persuasive presentations tailored for internal and external stakeholders.
• You stay ahead of global design and cultural trends, ensuring Lounge’s aesthetic output remains contemporary, progressive, and highly relevant.

WE'D LOVE TO MEET YOU IF

• You hold a relevant university degree in Graphic Design, Communication Design, Visual Arts, or a related field – or possess equivalent practical qualifications.
• You have 7+ years of professional experience in the creative and design field, with a portfolio showcasing elite expertise in Typography, Design Systems, and cross-channel marketing collateral.
• You have significant experience in managing creative projects, demonstrating a strong ability to guide complex, multifaceted design initiatives independently, excel at stakeholder communication, and clearly explain intricate design decisions.
• You live and breathe design, with a strong understanding of cultural trends and an exceptional eye for identifying what resonates within the fashion and lifestyle industries.
• You possess a proven track record in Motion Design and Social Media Design, demonstrating how moving imagery enhances digital brand performance.
• You are an expert in Adobe Creative Suite (Photoshop, Illustrator, InDesign, After Effects) and UI/UX design tools (such as Figma) tailored for design systems.
• You leverage GenAI tools strategically within your creative and production workflows.

OUR OFFER

• Employee shares program
• 40% off fashion and beauty products sold and shipped by Zalando, 30% off Lounge by Zalando, discounts from external partners
• 2 paid volunteering days a year
• 27 days of vacation a year to start for full-time employees
• Relocation assistance available (subject to prior agreement)
• Family services, including counseling and support
• Health and wellbeing options (including Wellhub, formerly Gympass)
• Mental health support and coaching available
• Drive your development through our training platform and biannual peer-to-peer review

Our role details

Senior Graphic Designer (all genders) - Lounge by Zalando

THE ROLE AND THE TEAM

The ZEOS B2B Portal is the face of our platform, serving as the central gateway for partners to manage their business within the Zalando ecosystem. As the Engineering Manager for the Portal and Portal Application team, you will lead the engineers responsible for building a seamless, high-performance, and intuitive user interface that unifies complex B2B services.

You will manage a cross-functional team of up to 10 engineers, fostering an environment where frontend excellence meets robust backend integration. Your mission is to ensure that the ZEOS Portal remains a best-in-class "Single Point of Entry" for our partners. You will collaborate closely with UX designers, Product Managers, and Principal Engineers to deliver a cohesive experience, ensuring that modularity (Micro Frontends), security, and performance are at the heart of every deployment.

With ZEOS we shape the future of the Zalando logistics ecosystem - please read more HERE.

WHAT WE’D LOVE YOU TO DO (AND LOVE DOING)

• Lead Full-Stack Strategy: Help shape a scalable and modular portal architecture across both frontend and backend layers. You'll ensure a seamless and intuitive experience for our partners, creating harmony across various applications, services, and internal tools.
• Empower and Grow Talent: Hire and develop a diverse team of 10 engineers (5 frontend, 5 backend). You will focus on their professional growth, helping them master the balance between rapid feature delivery and high-quality engineering standards across the stack.
• Bridge Design and Engineering: Work in close partnership with Product and UX Design leads to translation of user needs into technical roadmaps, leveraging modern web trends and Design Systems (DS) to increase development velocity.
• Own the Portal Infrastructure: Take responsibility for the portal's backend infrastructure and services - overseeing deployments, scalability, uptime, and data flows that power the partner experience, in addition to frontend performance and CI/CD.
• Champion Operational Health: Take full ownership of the portal's stability, frontend and backend. You will oversee CI/CD pipelines, monitor performance metrics across the stack, and ensure robust security (Okta/OpenID) and SEO-friendly architectures.
• Navigate Architectural Choices: Provide the technical perspective needed to guide decisions around Micro Frontends (MFE), backend service design, SPA performance, and API architecture, ensuring the team builds extensible solutions without over-engineering.
• Foster Smooth Delivery: Act as a catalyst for Agile best practices, removing blockers for your team and ensuring that cross-functional stakeholders are aligned on the portal's roadmap and release cycles.

WE'D LOVE TO MEET YOU IF

• Proven People Leader: You bring 5+ years of experience managing engineering teams, with a track record of building healthy, high-trust cultures and coaching senior talent in an international environment.
• Full-Stack Portal Expert: You have a solid technical background in modern web technologies (React, TypeScript, Node.js) and backend systems (Java/Kotlin services, databases, messaging), with a deep understanding of Micro Frontend architectures, service design, and state management.
• Platform & Infrastructure Owner: You are well-versed in designing and operating backend services and REST APIs, not just consuming them, and have hands-on experience with cloud-native deployments and infrastructure management (AWS/Kubernetes).
• Cross-Functional Technical Leader: You've managed mixed frontend/backend teams before and are comfortable making technical trade-offs across the full stack, from UI rendering to backend service architecture.
• Quality & Operations Focused: You have a strong "DevOps" mentality - you care about build times, automated testing, infrastructure reliability, and seamless deployments, ensuring a zero-downtime experience for our partners.
• User-Centric Perspective: You understand that technical excellence is a means to an end. You are passionate about delivering value to the customer and can translate business requirements into clean, scalable software products.
• Empowering Guide:You excel at giving your team the space to lead while offering the right level of support. You know how to balance looking at the "big picture" strategy with staying connected to the technical heart of the work.

OUR OFFER

Zalando provides a range of benefits, here’s an overview of what you can expect. Ask your Talent Acquisition Partner to learn more about what we offer.

• 27 days of holiday a year to start for full-time employees (+1 day for every calendar year up to 30 days)
• 2 paid volunteering days a year
• Work from abroad for up to 30 working days a year
• Employee shares program
• 40% off fashion and beauty products sold and shipped by Zalando, 30% off Lounge by Zalando, discounts from external partners
• Relocation assistance available (subject to prior agreement)
• Family services, including counseling and support
• Health and wellbeing options (including Wellhub, formerly Gympass)
• Mental health support and coaching available
• Drive your development through our training platform and biannual peer-to-peer review

Recruiter
Bettina Melis
bettina.melis@zalando.de

In some cases we also work with a selection of headhunters and agencies to fill specific roles. Please note that neither Zalando nor our recruiting partners will ask for any kind of payment to apply for a job or attend an interview.

Backend Engineer – Core Systems

Department: Tech - Core Systems

Location: Berlin

About the opportunity

Bank Core runs the systems at the heart of N26 - accounts, ledgers, and the core banking logic every other team builds on. We're revamping that core right now, so the engineers who join today shape decisions that reach across the entire company. The problems are real, the domain is deep, and the impact is direct. Our services are written almost exclusively in Kotlin on Spring Boot, deployed on Kubernetes, communicating over Kafka, backed by Postgres, and running on AWS. We lean heavily on agentic coding and expect you to do the same - but you stay in charge. You question what the tools produce, review every line, and own the result. We work with a high degree of autonomy, collaborate closely, and share what we learn. In this role, you will

• Own features end to end on systems that move real money for millions of customers
• Go deep on the banking domain - payments, ledgers, and the rules beneath them - and use that understanding to question and sharpen what we build
• Drive your own priorities within a cross-functional team, and unblock yourself when you hit a wall
• Raise problems early with a proposed solution, instead of working around them
• Ship incremental improvements and share your findings - including at our Get Stuff Done Days (GSDD)

What you need to be successful

• Solid grasp of microservice architecture
• Comfortable with relational databases, Postgres preferred
• Experience operating in a modern cloud environment, ideally AWS and Kubernetes
• Full professional proficiency in English

• Event-driven systems with Kafka
• Payments, ledgers, or other banking/fintech domain experience

Who you are

• Relentlessly curious - you want to learn new domains like payments, ledgers, and banking from the ground up
• Product-driven - you understand what you're building and push back when it doesn't add up
• Self-starting - you unblock yourself
• You surface issues early and bring solutions, never quietly route around them
• You favor steady, incremental improvement
• You share knowledge freely and learn from the people around you
• You write well-tested code and treat security as part of the job, not an afterthought
• You give and receive open, direct, timely feedback

What’s in it for you

• Accelerate your career growth by joining one of Europe’s most talked about disruptors 🚀.
• Employee benefits that range from a competitive personal development budget, work from home budget, discounts to fitness & wellness memberships, language apps and public transportation.
• As an N26 employee you will have access to a Premium subscription on your personal N26 bank account. As well as subscriptions for friends and family members.
• Additional day of annual leave for each year of service.
• A high degree of autonomy and access to cutting edge technologies - all while working with a friendly team of peers of diverse nationalities, experiences, and backgrounds.
• A relocation package with visa support for those who need it.

German speaking Performance Marketing Specialist (d/f/m) @ Leapsome

What is your job?

Media Buying

• Hands-on keyboard experience with managing and optimizing paid campaigns on platforms like Google Ads, Meta Ads, LinkedIn Ads, etc.
• Experience in building out full funnel campaigns (Brand Awareness, Consideration, Conversion, Retargeting)
• Write, test, and optimize ad copy, ensuring continuous performance improvement.
• Demonstrated ability in managing paid media budgets, along with forecasting and budgeting for paid media channels.
• Proficient in translating data into insights using tools like Google Analytics.
• Work closely with Growth, Product Marketing, and Design teams to develop effective campaigns.

Creative Strategy

• Lead the creative learning agenda, focusing on performance acquisition, creative strategy and development.
• Write converting creative briefs for UGC creators and in-house Design teams.
• Strong project management and communication skills to manage and direct static/video editing reviews, paying close attention to transitions, text placements, hooks, etc.
• Drive continuous innovation by integrating creative performance insights, creative trends (both paid and organic), and customer insights.
• Experience with conducting creative research through platforms like Ads Library, as well as, deep dive into customer research.
• Curiosity to explore and apply AI tools for generative creatives, ad copy, and workflow improvements.

Who are we looking for?

• 3+ years of experience working in a performance marketing team at a brand or agency, focusing on hands-on keyboard experience with paid search, paid social channels and creative development.
• Professional working efficiency (B2 level minimum) in German with proven ability to write high-converting German ad copy and adapt campaigns for German-speaking audiences.
• Passion for combining storytelling with data to create high-converting ad creatives.
• Experience in directing creative teams, agencies, and UGC creators.
• Knowledge of digital marketing technologies, media buying strategies, and how to impact performance marketing critical metrics with campaign optimizations and creative strategies (CPA, CVR, CTR, etc.).
• Outstanding organizational skills and experience with project management systems.
• Experience in using Google Analytics or equivalent analytics platforms.
• An experimental mindset and curiosity about applying AI tools in marketing workflows.
• Experience with creative analytics platforms such as Motion is a plus.

Benefits

• Impact: Part of a fast-growing scale-up aiming to reach over two million people by 2025.
• Teammates: Diverse, international team.
• Feedback and recognition: Value for feedback and celebrations of successes.
• Hybrid model: 2 days per week in Berlin office (Tuesdays and Thursdays lunch sponsored).
• Flexible work: Flexible hours and option to work elsewhere for up to 2 months per year.
• Learning and Development: €2,000 yearly development budget; Good Habitz access.
• Vacation: 30 days/year + public holidays (or 40 days with adjusted pay); month-long sabbatical after 5 years.
• Health & Wellness: Urban Sports Club membership and Oliva subscription.
• Mental health: 1:1 therapy sessions; workshops on mindfulness and digital wellness.
• Corporate Benefits: Discounts from partners.
• Work-from-home stipend: One-time €1,000.
• Monthly team activities: Activities like kayaking, laser tag, game nights.
• Compensation: Competitive pay plus pre-IPO equity.

This role is based in Berlin and the salary range is €80,000 - €100,000 + Bonus + Equity.

THE ROLE & THE TEAM

Join the Search Retrieval Team, the engine driving product and content discovery for Zalando. We build and operate the core search engine that connects over 62 million active customers across 29 markets with the products and content they love. Our Search Engine powers tens of millions of searchable content stored in multiple clusters and hundreds of indices distributed. Every content has ~4-10 embeddings that power our semantic understanding. We also integrate with LLMs models to power our query understanding and lexical search.

Our mission is to deliver a world-class, intelligent, scalable, and reliable Search Platform.

WHAT YOU’LL DO

As a Senior Search Engineer, you will be at the heart of our mission, tackling complex distributed systems problems at hyperscale. You will:

• Architect the Future of Search: Lead the design and implementation of our next-generation, AI-driven search engine, integrating Neural Search on top of our Elasticsearch platform.
• Build for Hyperscale: Modernize and scale our real-time data ingestion systems using technologies like Kafka and Flink to handle millions of updates.
• Drive Platform Innovation: Develop core platform capabilities that enable teams across Zalando to build rich, personalized discovery experiences for our customers.
• Drive Operational Excellence and Cost Efficiency: Lead platform-wide infrastructure projects, such as consolidating multi-lingual search indices, mitigating critical risks by migrating core services, and supporting system readiness for high-traffic events like Cyber Week.

WE’D LOVE TO MEET YOU IF:

• Deep Search Expertise: Extensive experience building large-scale, preferably e-commerce, search engines. While our stack is built on Elasticsearch, we highly value equivalent expertise in Lucene, OpenSearch, Solr, or other distributed search systems.
• Real-Time Data Pipeline Experience: Proven ability to design and build high-throughput data ingestion pipelines using Kafka and/or Flink or equivalent stream-processing frameworks.
• Strong Backend Foundation: High proficiency in a JVM language (Java, Kotlin, or Scala) and a deep understanding of distributed systems architecture, concurrency, and performance optimization.
• Cross-Functional Collaboration: Excellent communication skills. You thrive when working closely with fellow engineers, applied scientists, and product partners, and you possess a knack for translating complex product requirements into reusable, reliable platform capabilities.

INCLUSIVE BY DESIGN

At Zalando, our vision is to be inclusive by design. And this vision starts with our hiring - we do not discriminate on the basis of gender identity, sexual orientation, personal expression, ethnicity, religious belief, or disability status. You are welcome to leave out your picture, age, or marital status from your application. We only assess candidates on their qualifications and merit.

We want to provide you with a great candidate experience. Feel free to inform us of any accommodations you may need, so we can best support you throughout the hiring process.

OUR OFFER

Zalando provides a range of benefits, here’s an overview of what you can expect. Ask your Talent Acquisition Partner to learn more about what we offer.

• Employee shares program
• 40% off fashion and beauty products sold and shipped by Zalando, 30% off Zalando Lounge, discounts from external partners
• 2 paid volunteering days a year
• 27 days of vacation a year (for Zalando SE)
• Relocation assistance available (subject to prior agreement)
• Family services, including counseling and support
• Health and wellbeing options (including Gympass)
• Mental health support and coaching available

RECRUITER

Shilpa Mishra

shilpa.mishra@zalando.de

Senior Machine Learning Engineer (f/m/d) - Job Description

Your Mission & Who We Are Looking For:

• 5+ years building production-grade recommendation systems. You’ve deployed large-scale systems in high-volume environments (adtech, e-commerce, or search), and have hands-on expertise in deep learning with TensorFlow, PyTorch, or JAX. At adjoe Ads, that means architecting high-throughput, low-latency systems that scale to 10 billion daily predictions.
• End-to-end model ownership. You own the full ML lifecycle from identifying relevant signals in large datasets and developing relevance models and bidding strategies, to rigorous monitoring, performance analysis, and iterative improvement in production.
• Engineer first, data scientist second. You write production-quality code, design for scalability, and collaborate closely with backend engineering teams to ensure seamless integration of reusable models and assets into the broader system.
• Experimentation is part of your workflow. You run rigorous A/B tests, validate hypotheses, and measure the impact of new features on key business metrics, not just offline evaluation.
• Plus: data engineering fluency. Understanding of data engineering principles and experience with distributed processing systems like Spark, Flink, or Kafka, and storage solutions like AWS Athena, S3, or MySQL is a strong plus.

What’s in It for You?

At adjoe, you’re not here to just close JIRA tickets, you’re helping build the infrastructure behind one of the most impactful platforms in adtech. The systems you work on will reach hundreds of millions of users and power billions of decisions every day.

• Go Big. Own projects with impact on 770M users and push adtech boundaries.
• Move Fast. Ship solutions multiple times a day, learn from results, and keep momentum.
• Be Direct. Solve problems openly and collaborate across teams.
• Thrive Together. Grow with a diverse, global team of people from over 40 different countries that learn from each other.
• Have Fun. Celebrate wins, enjoy daily victories, and bring your energy.

What You’ll Do / Responsibilities

• Own the full ML lifecycle for recommendation systems, from signal identification to model deployment and monitoring.
• Develop high-throughput, low-latency models for 10 billion daily predictions.
• Collaborate with backend engineers to integrate models and assets into the broader system.
• Conduct rigorous experiments and A/B tests to drive business impact.
• Work with distributed processing systems and large-scale data lakes (e.g., Spark, Flink, Kafka; AWS Athena/S3).

Team Description / Who You Are

Member of a data science team responsible for bidding algorithms, conversion prediction, and user quality estimation within a self-hosted ML ecosystem using PyTorch/TensorFlow. You thrive in a fast-moving environment with autonomy and cross-functional collaboration.

Tech Stack

• Modeling: PyTorch, TensorFlow, or JAX
• Data processing / tooling: Spark, Flink, Kafka
• Data storage / querying: AWS Athena, S3, MySQL
• Orchestration / pipelines: Airflow, Ray
• Data lake: Iceberg

Benefits & Perks

• Competitive salary
• Quarterly team adventures
• Monthly company feasts
• Up to €7000 for referred friends
• Discounted city commute
• Extensive visa & relocation support
• Hybrid work model
• Continuous investments in development
• Generous vacation days
• Mental health & wellness benefits

Head of Growth Marketing and Lifecycle (d/m/f) NYC or Berlin

What you’ll do

• Architect the AI-augmented Growth Engine: Reimagine marketing for the AI era by building automated, scalable growth loops across our entire tech stack to supercharge efficiency, velocity, and ROI.
• Own the Revenue & Pipeline Mandate: Take full accountability for the predictable delivery of Sales Accepted Opportunities (SAOs) and qualified pipeline. Lead the high-stakes demand engine fueling the global sales organization.
• Design Market-Focused GTM: Lead go-to-market strategies tailored to SMB and Mid-Market segments, driving brand awareness and measurable revenue success.
• Master the Full Buyer Journey: Bridge initial acquisition and customer expansion with lifecycle programs that unlock upsell opportunities and drive long-term platform adoption.
• Partner for GTM Excellence: Collaborate with Sales, Product, and Customer Success to align marketing initiatives with roadmap priorities.
• Lead and Empower a High-Performance Team: Mentor and grow a high-performing team of growth experts, fostering a culture centered on performance, accountability, and continuous improvement.

Who we are looking for

• Significant leadership experience in growth marketing, demand generation, or lifecycle leadership in high-growth B2B SaaS
• Proven track record owning pipeline or revenue outcomes, not just lead generation
• Experience scaling full-funnel growth programs across paid, organic, website/CRO, and lifecycle marketing
• Hands-on AI fluency and experience embedding AI-tools and agents into marketing workflows
• Deep understanding of modern growth metrics, attribution models, and experimentation frameworks
• Experience managing multi-million marketing budgets
• Strong partnership with Sales, RevOps, Product Marketing, Brand & Community, Partnerships & Field, Customer Success and executive stakeholders
• Leadership experience building and scaling high-performing growth teams
• A builder mentality with high agency and strong execution instincts
• Curiosity about buyer behavior and a strong instinct for what improves conversion

Benefits

• Impact: Part of a fast-growing scale-up aiming to reach 2 million people by 2025
• Teammates: Diverse and international team
• Feedback and recognition: Regular feedback and celebration of successes
• Hybrid model: Spend 2 days per week in Berlin office (Tuesdays and Thursdays sponsored lunch days)
• Flexible work: Flexible hours and option to work elsewhere for up to 2 months per year
• Learning & Development: Yearly development budget of €2,000 and access to Good Habitz
• Vacation: 30 days/year plus holidays (40 days with adjusted pay option) plus a sabbatical after 5 years
• Health & Wellness: Free Urban Sports Club membership and Oliva subscription
• Mental health: 1:1 therapy sessions and related workshops
• Corporate benefits: Discounts from partners
• Work-from-home stipend: €1,000 one-time
• Monthly team activities
• Competitive pay and pre-IPO equity

Location

Berlin

Compensation

€100,000 - €150,000 + Bonus + Equity

What you’ll do

Design, build, and evolve foundational backend services that create a shared source of truth for product and merchant data across SumUp, with a strong focus on scalability, reliability, and ease of adoption by internal teams

Develop and maintain robust APIs, data models, and integration patterns that enable teams across the business to access consistent and trustworthy product and merchant information

Build and improve data ingestion, aggregation, and event-processing pipelines that bring together signals from across the SumUp ecosystem into actionable merchant intelligence

Contribute to shaping the long-term architecture and strategy for the Product Catalogue and Merchant Intelligence services, helping establish platform capabilities that can be used across multiple systems and teams

Write high-quality, maintainable backend code following engineering best practices for testing, observability, and production readiness

Collaborate closely with product managers, data teams, and engineers across SumUp to identify needs, solve complex data challenges, and turn them into effective technical solutions

Work across squad and domain boundaries to support integrations, improve data consistency, and enable better internal tools, workflows, and merchant experiences

Help define engineering standards, technical direction, and ways of working in a newly established squad operating in a complex and evolving domain

You’ll be great for this role if you have

Strong professional experience in backend engineering, building and operating reliable production systems

Solid experience with Golang and designing scalable backend services

Strong knowledge of API design, system design, and data modeling

Hands-on experience with Postgres or similar relational databases

Experience with AWS, Docker, Kubernetes, and infrastructure-as-code tools such as Terraform

Familiarity with event-driven architectures and message brokers such as RabbitMQ or Kafka

A strong ownership mindset, with the ability to work independently and navigate ambiguity

Clear communication skills and a collaborative approach to working across product, data, and engineering teams

Why you should join SumUp

🌍 Opportunity to work with SumUppers globally on large-scale fintech products used by millions of businesses worldwide, from our Berlin office. This involves an office-first setup

🧑‍🔬 We take learning and experimentation seriously with Hack Days every second Friday, and entire global Hack Weeks

🌈 Commitment to Diversity and Inclusion: Be part of a workplace that values and promotes diversity, fostering an inclusive environment where everyone's perspectives are respected and embraced

📚 A dedicated annual L&D budget of €2,000 for attending conferences and/or advancing your career through further education

🚀 Enrolment onto our VSOP program: You will own a stake in SumUp’s future success

💶 A corporate pension scheme where we match up to 20% of your contributions

🔄 30 Days Sabbatical: Enjoy the unique opportunity to take a well-deserved break with our 30 days sabbatical benefit after completing 3 years of employment with SumUp

🔗 Referral Bonus: Earn additional rewards by referring talented individuals to join the SumUp team

🚵🏾‍♂️ Numerous other benefits such as Urban Sports Club subsidy, Kita placement assistance, relocation assistance, subsidised office lunches

Oberarzt / Leitender Oberarzt (m/w/i) Geriatrie

In dieser Position führen Sie die Behandlung älterer Patientinnen und Patienten im Rahmen der Akutgeriatrie und Frührehabilitation eigenverantwortlich durch. Sie arbeiten eng mit einem multiprofessionellen Team zusammen und gestalten die interdisziplinäre Abstimmung mit anderen Fachabteilungen aktiv mit. Ihre klinische Erfahrung fließt in Diagnostik, Therapieplanung und Supervision von Assistenzärzten ein. Sie tragen wesentlich zum Ausbau der geriatrischen Station und zur Sicherstellung einer hohen Versorgungsqualität bei. Die Position bietet eine familienfreundliche Arbeitsumgebung, modernste Medizintechnik und Perspektiven zur fachlichen Weiterentwicklung.

Pay / Benefits

• Work-Life-Balance
• flexible Dienstmodelle
• Fortbildungsunterstützung
• Unterstützung bei Wohnortverlegung
• moderne Medizintechnik
• angenehme Arbeitsatmosphäre

Responsibilites

• Behandlung älterer Patientinnen und Patienten in Akutgeriatrie und Frührehabilitation
• Diagnostik, Durchführung und Dokumentation komplexer geriatrischer Therapien inklusive Akutmedizin
• Supervision und Ausbildung von Assistenzärzten
• Mitwirkung beim Ausbau der geriatrischen Station
• Interdisziplinäre Abstimmung mit anderen Fachabteilungen
• Mitgestaltung von Arbeitsabläufen und Organisation innerhalb der Station

Key requirements

• Facharzt in Innere Medizin
• Zusatzbezeichnung Geriatrie
• signifikante klinische Erfahrung
• Engagement, Organisationsvermögen
• Aus- und Weiterbildung von Assistenzärzten
• Teamfähigkeit und interdisziplinäre Zusammenarbeit

THE ROLE & THE TEAM

Zalando is on a mission to become the leading pan-European fashion and lifestyle ecosystem. Our tech organizations—such as the Zalando eCommerce Platform—build the high-scale infrastructure, foundational data services, and core systems that power millions of customer and partner interactions daily.

As a Principal Tech Portfolio Manager, you will operate as a strategic partner to our executive tech leadership. You will implement enterprise portfolio management standards, drive transparency into massive technical investments, and help navigate complex trade-offs to ensure our multi-stream engineering efforts directly map to Zalando’s overarching group strategy.

WHAT WE’D LOVE YOU TO DO (AND LOVE DOING)

• Run the tech portfolio management system
  You will maintain and improve the operating model for managing the Tech portfolio across domains, teams, and investment streams, including intake, prioritization, sequencing, dependencies, capacity planning, portfolio health, risks, leadership reviews, and retrospectives.
• Connect strategy, planning, and execution
  You will support annual operational planning and ongoing portfolio steering by translating strategic priorities into a clear technology investment portfolio aligned with Zalando’s group strategy, ZMS priorities, commercial needs, platform evolution, and available capacity.
• Drive prioritization and trade-off decisions
  You will maintain a transparent prioritization framework combining business value, technical complexity, strategic relevance, capacity, risk, dependencies, and timing, enabling leadership to compare investments and make clear trade-off decisions.
• Own portfolio transparency, metrics, and executive reporting
  You will create dashboards, business review materials, decision papers, and executive narratives that translate complex technical work into business-relevant insights, giving leadership a reliable view of delivery confidence, constraints, risks, investment allocation, and expected outcomes.
• Partner across Engineering, Product, Finance, and Business
  You will work closely with engineering and product leaders to understand roadmaps, delivery constraints, dependencies, and capacity; with finance and strategy on investment tracking and resource modelling; and with commercial stakeholders to reflect partner, customer, and market needs in planning.
• Apply AI acumen to portfolio management and technology planning
  You will bring practical AI fluency to the role, helping identify where GenAI, automation, or agentic workflows can improve portfolio processes, planning transparency, decision quality, and execution efficiency. You will also understand how AI-related initiatives differ from traditional tech work in terms of experimentation, risk, capability needs, and scaling requirements.

WE’D LOVE TO MEET YOU IF

• You bring 8+ years of experience in technical portfolio management, technical program management, enterprise portfolio management, product operations, strategy & operations, or a related role in a complex technology environment such as e-commerce, marketplaces, SaaS, cloud platforms, infrastructure, retail media, fintech, or large-scale digital products.
• You have managed portfolios across multiple engineering teams, product domains, or business units, and have operated directly with senior technology leaders.
• You have proven experience with portfolio intake, prioritization, sequencing, dependency tracking, capacity modelling, budget or investment tracking, and portfolio health reporting.
• You produce clear, structured senior-leadership materials, including decision papers, portfolio narratives, business cases, executive updates, and steering documents that combine data, judgment, and recommendations.
• You operate with high autonomy and strong judgment, turning ambiguous problems into clear structures, mechanisms, stakeholder alignment, and outcomes with limited guidance.
• You are comfortable challenging senior stakeholders respectfully when the data or logic does not support the current direction, and helping the organization commit and execute once decisions are made.
• You have strong working knowledge of portfolio and delivery tools such as Jira Advanced Roadmaps, Jira Align, ServiceNow SPM, Aha!, Asana, Linear, Productboard, Smartsheet, or similar.
• Experience with enterprise portfolio frameworks, agile-at-scale methods, or certifications such as PMI-PfMP, MoP, SAFe, RTE, PgMP, or similar is a plus.
• You are confident working with data and metrics, including portfolio views, investment models, capacity models, prioritization scoring, risk indicators, leadership dashboards, and imperfect data sets.
• You are fluent in English and communicate with precision, clarity, and confidence in writing and speaking.

OUR OFFER

Zalando provides a range of benefits, here’s an overview of what you can expect. Ask your Talent Acquisition Partner to learn more about what we offer.

• Employee shares program
• 40% off fashion and beauty products sold and shipped by Zalando, 30% off Zalando Lounge, discounts from external partners
• 2 paid volunteering days a year
• Hybrid working model with up to 60% remote per week, actual practice is up to each team to best support their collaboration
• Work from abroad for up to 30 working days a year
• 27 days of vacation a year to start
• Relocation assistance available (subject to prior agreement)
• Family services, including counseling and support
• Health and wellbeing options (including Gympass)
• Mental health support and coaching available

Recruiter
Madalina Negrila
madalina.negrila@zalando.de

Technical Sales Manager - German Speaking

In this role you will:

• Immediately benefit from state-of-the-art training sessions: Our comprehensive onboarding covers essential skills in 3D printing, engineering problem-solving, and specialized sales coaching, ensuring you're equipped for success from day one
• Understand customer demand to effectively consult & sell cutting-edge additive manufacturing technology using a solution-oriented approach
• Identify sales leads and follow up on inbound sales inquiries by phone and email
• Ensure an amazing customer experience while assessing up-sell and cross-sell potential, with the goal of increasing product usage and satisfaction
• Coordinate regular touch points with customers to better understand their needs and align results to sales growth
• Represent Formlabs at trade shows and onsite customer events
• Collaborate with key decision makers to identify opportunities and develop ideas that deliver sales results
• Become a knowledgeable champion of Formlabs technology through hands-on training & experience with our products

About You

• Bachelor's degree or equivalent in a STEM-related field
• 0-3 years full-time work experience
• Language requirements: C1 or better fluency in German AND English is required; additional European languages are a plus
• Naturally curious and passionate about a wide variety of topics, especially technology
• A relationship builder who is customer focused and results-oriented
• Able to work independently but enjoy and thrive in a team environment
• Able to effectively communicate with customers via phone, video & email
• Have the ability to handle rejection, learn, and adapt

What You’ll Do / Responsibilities

• Identify sales leads and follow up on inbound sales inquiries by phone and email
• Consult & sell cutting-edge additive manufacturing technology using a solution-oriented approach
• Coordinate regular touch points with customers to understand their needs and align results to sales growth
• Represent Formlabs at trade shows and onsite customer events
• Collaborate with key decision makers to identify opportunities and develop ideas that deliver sales results
• Become a knowledgeable champion of Formlabs technology through hands-on training & experience with our products

Perks & Benefits

• Robust equity program to build future wealth through RSUs
• Catered on-site lunches (3x per week), snacks, beverages, & treats
• Many opt-in culture events across our diverse community
• Monthly 59.85 EUR mobility subsidy (incl. BVG Firmenticket & Swapfiets)
• Supplementary, opt-in German pension scheme
• Wellness benefits including weekly yoga classes, Urban Sports Club discount, and free mental health & well-being sessions
• Relocation support provided
• Unlimited 3D prints

Team / Company Context

Join the exciting 3D printing industry where the possibilities are endless, innovation is at the core of what we do, and we strive to solve unique customer challenges. For our next phase of growth, we are focused on building an exceptional go-to-market team, starting with our Direct Sales team.

Compensation

The annual pay range for this role is: €60,000 to €72,000 OTE

Senior Manager - GTM Strategy & Operations (m/f/d)

Location: Hamburg

Employment Type: Full time

Location Type: Hybrid

What You Will Do

• GTM Strategy: Partner with our Managing Director (GTM) and regional VPs of Revenue (Europe, North America, APAC) to design and implement a scalable global GTM strategy, defining the end-to-end sales processes and operational cadence.
• Business Development: Actively support our Sales teams on high-priority, strategic accounts across all stages (deal, onboarding, and scaling). Support our Growth teams in strategic account development (e.g. new product upsell strategy).
• Sales Enablement & Productivity: Act as the primary bridge between Product Marketing and the global Sales organization, developing a continuous enablement program to equip teams with the knowledge and assets to win.
• Reporting & Pipeline Management: Architect and build our global sales reporting framework to establish a single source of truth for pipeline health, forecasting, and performance KPIs.
• Sales Incentive Design & Execution: Design, model, and manage a motivating global sales commission plan, from initial hands-on creation to eventual strategic oversight as the team scales.
• Cross-Functional Alignment: Act as the operational bridge between Sales, Product, and Tech teams, driving clarity, alignment, and accountability across markets.
• Future Growth – Team Development: Build and lead the foundation of the Revenue Operations function, establishing processes and a structure that can grow with the company’s expansion.

Who You Are

• Strategic & Analytical: 2–3 years of experience in Strategy Consulting (MBB), high-growth Start-ups or Scale-ups, or VC/PE, with a strong record in strategy development and execution, ideally GTM oriented.
• Business Acumen: Experienced in formulation (and ideally execution) of commercial strategy and GTM motions. Solid understanding or strong interest in AdTech, including the key performance metrics and sales cycles common in the space.
• Builder’s Mindset: You combine structure and pragmatism—equally comfortable architecting multi-year GTM plans and rolling up your sleeves to execute. You thrive in fast-paced, evolving environments.
• Executive Presence & Partnership: Strong business acumen and the ability to work closely with senior leadership and external partners. You influence through insight, build trust across teams, and act as a reliable partner who turns strategy into execution.
• Problem-Solving & Ownership: You bring a structured, yet adaptive approach to challenges—leading high-impact initiatives from idea to outcome with a hands-on, entrepreneurial spirit.
• Global Communicator: Excellent communication skills in English and German.
• Academic Foundation: Degree in Business, Finance, Economics, or STEM from a top-tier university. An MBA is a plus but not required.

Our Commitment to Your Success

• Invest in Your Future: You’ll join a high-performing, rapidly scaling global company with a clear vision, while directly influencing the company's trajectory and sharing in its success. We’re committed to your growth through regular feedback, mentoring, and our development programs, you’ll expand your skillset and build a long-term career at adjoe.
• Easy Arrival to adjoe: From signing to settling in Hamburg, we’ve got you and your family covered, including a relocation bonus, and personal support to help you build your life here, making your move smooth and stress-free.
• Live Your Best Life, at Work and Beyond: Flexible hours, remote Fridays and 30 vacation days. You’ll also have three weeks of remote work each year, access to an 24/7 in-house gym with classes, and mental health support through our Employee Assistance Program (EAP).
• Thrive Where You Work: Our Hamburg HQ offers more than a view of the Alster lake. You’ll find a vibrant office with top-notch equipment, open collaboration spaces, and plenty of snacks and drinks to keep ideas flowing.

We welcome applications from people who will contribute to the diversity of our company.

Apply for this Job

AI Engineer (m/f/d)

AI Engineer (m/f/d) | Jobs at BIT Capital GmbH Skip to main content English English Back to all jobs AI Engineer (m/f/d) Berlin HQ Full-time Permanent employee Apply for this job

Your Role & How we work

We are hiring an AI Engineer (m/f/d) to holistically develop BIT Capital's LLM and agentic Artifical Intelligence capabilities: from the data science that turns data into investment signals, to the engineering that powers our financial intelligence agents. A strong initial focus is the build-out of “Aion” - our agentic research platform - that has first-class access to our data, models, and tools and is already in mainstream production, used by the investment team every day. Beyond, your mandate covers everything LLM- and agent-related across BIT, from research products for the investment team to internal tools in Sales, Marketing, Operations, and client-facing experiences. You work autonomously, from first scoping to shipping, and you self-select the use cases and projects where you can have the most impact. You report to our Carlos Bielsa (Chief AI Officer & Managing Partner) and work side by side with Vlad Gheorghe, our second AI Engineer, acting as our internal expert as the frontier of AI moves. Our stack is Python, SQL, AWS, and Databricks, with models and agentic frameworks from the leading AI labs (Anthropic Managed Agents, Codex). Your priorities in this role will thus include:

• Investment signal pipelines. Design and ship LLM-based extraction pipelines (prompts, retrieval, model selection, evaluations) that turn text and data into investment scores, alerts, signals, and insights reliable enough to drive decisions.
• Agentic systems behind “Aion”. Build and evolve the agentic systems that power Aion, along with the research skills and Python sidecars that agents execute.
• Data and tool integrations. Build the integrations that give agents performant, safe access to BIT's data and capabilities.
• Evaluations and model selection. Build automated and human-in-the-loop evaluations, regression tests, and monitoring that track accuracy, hallucination rates, latency, cost, and model uncertainty. Benchmark and select the right model per task, including open-source options.
• LLMOps at scale. Establish the LLMOps practices that keep these systems reliable at scale: versioning of prompts, configs, and models; CI/CD; error handling; fallbacks; and cost control.
• Frontier into production. Stay at the frontier of LLM and agentic AI techniques and bring new ideas into production rather than leaving them as experiments.

The experience you bring

You have a solid data science and engineering background, with at least 2 years building software, data systems, or ML in production. You adopt the mindset of a product-minded software engineer. You have shipped your own apps and agents and can point us to a public project, repo, or product. You are fluent with the current LLM and agentic frontier, with hands-on experience using leading agentic systems (Claude Code, Anthropic Managed Agents, Codex, open-source agentic loops). You have strong Python and SQL skills with clean engineering practices, plus cloud infrastructure experience (AWS strongly preferred). You bring production discipline for probabilistic systems: evaluations, regression tests, monitoring, reproducibility, and cost awareness. A scientific approach to turning LLMs into signals and scores (ground-truth datasets, train/test/iterate) is a plus; a data science or ML background helps but is not required. You have a genuine interest in investing, or at minimum a strong drive to learn about our domain quickly and deeply, paired with sharp general intelligence and clear systems thinking.

2 reasons why you should not apply

• You mainly use AI tools for your own productivity and have not yet taken systems into production. This role is about building and shipping AI that the whole firm relies on, so prior production experience matters here.
• You are looking for a finished, stable AI stack to operate and maintain. Our systems evolve quickly as the frontier moves, so you will spend much of your time building and reshaping them rather than keeping a fixed setup running.

Your mindset

• You're an "AI Native": you use agentic AI as core infrastructure in how you work, not as a novelty.
• You're a "Builder": you ship working systems and improve them continuously rather than leaving ideas as experiments.
• You blend data science rigor with engineering pragmatism, with care for correctness, reliability, and cost.
• You're passionate about AI, emerging technology, and investing, and you pair technical depth with strong product judgment.
• You manage for outcomes, own problems end-to-end, and communicate clearly on progress, tradeoffs, and risk.

What we offer

• Work at the frontier of applied AI in asset management, with petabytes of data and the most cutting-edge tools.
• Real technical direction and ownership from day one, as the internal expert while the frontier moves.
• Contribute to a unique success story in European asset management, surrounded by the most knowledgeable experts in the industry.
• A motivated, highly international team (15 nationalities) that enjoys getting together in person in Berlin and strongly supports each other.
• Flat hierarchies and direct interaction with our management team.
• Competitive compensation, relocation, and visa support if needed.

About us

BIT Capital combines the expertise of an industry leader in asset management with the agility of a young tech company. With its investment products, BIT Capital enables investors to participate in the future growth of the technology-driven world. The guiding principle is always to be “Ahead of the Curve" - anticipating technology mega trends and identifying the major investment opportunities of the future before they emerge. The BIT Capital team expertly navigates a constantly evolving landscape of complex technology sectors, identifying tomorrow's technology leaders at an early stage on behalf of its investors. The experienced team currently consists of around 40 professionals, including an investment team of 20 financial market experts, sector specialists, data engineers and software developers. The flagship fund, BIT Global Technology Leaders, has received multiple performance awards and is one of the highest performing equity funds in Europe. As part of our recruitment process, we use digital tools that incorporate AI-supported functionalities to structure and review application materials and to support the selection process. The results are used solely as support for the initial screening and are always reviewed by responsible personnel. Decisions regarding an offer of employment or a rejection are not made solely by automated means.

Powered by Personio Data privacy statement Legal Notice

Senior QA Engineer (f/m/d)

Location: Hamburg

Employment Type: Full time

Location Type: Hybrid

What’s in It for You?

• Go Big. Own projects with impact on 770M users and push adtech boundaries.
• Move Fast. Ship solutions multiple times a day, learn from results, and keep momentum.
• Be Direct. Solve problems openly and collaborate across teams.
• Thrive Together. Grow with a diverse, global team of people from over 40 different countries that learn from each other.
• Have Fun. Celebrate wins, enjoy daily victories, and bring your energy.

Who You Are

You have 3+ years in QA with hands-on mobile testing experience. You test more than UI flows, you dig into the full stack, from SDK behavior on device to the backend systems behind it, using tools like Kreya and k9s to investigate services, and Kibana and Grafana to monitor system health. You're comfortable working with AWS services and understand how container orchestration (Kubernetes, Docker), databases, and messaging systems (Kafka, SQS) behave under real conditions.

What You’ll Do

• Own testing end-to-end: develop and execute comprehensive test strategies (regression, smoke, and beyond) and take ownership of post-release and post-implementation validation. You don’t just report bugs—you understand the system well enough to know why they happen.
• Test more than UI flows; investigate SDK behavior on device and backend systems behind it.
• Collaborate closely with engineers; participate in feature requirement discussions and contribute product-related insights based on testing findings. Read and write technical documentation.
• Build and maintain automated test suites (Appium, Playwright) alongside manual testing responsibilities.

Requirements & Qualifications

• 3+ years in QA with hands-on mobile testing experience.
• Experience testing full stack: mobile SDKs, backend services, and data pipelines.
• Proficiency with automation tools such as Appium and Playwright.
• Experience with monitoring and observability tools like Kibana and Grafana.
• Familiarity with AWS services, Kubernetes, Docker, Kafka, and SQS.
• Strong collaboration skills and ability to contribute to technical documentation.

Team Description

The User Experience team drives adjoe Ads—our programmatic in-app advertising platform. The team handles both the SDK side (Kotlin/Swift) running inside publisher apps and the analytics side (dashboards, data frameworks) powering real-time revenue performance and data quality assessments. The environment requires maintaining stability and performance within external apps and devices.

Benefits & Perks

• Global relocation support to Hamburg for eligible candidates.
• Opportunities to work on high-impact platforms reaching hundreds of millions of users.
• Collaborative, diverse, and international team culture.

Assistenzarzt (m/w/i) Urologie

In dieser Position arbeiten Sie als Assistenzarzt in der Urologie in einer renommierten Klinikgruppe im Großraum Dortmund. Sie behandeln das komplette Spektrum der Urologie mit Schwerpunkt Uroonkologie und Endourologie und arbeiten in einer interdisziplinären Umgebung mit moderner Technik. Sie profitieren von umfassender Weiterbildung, einer gut ausgestatteten Abteilung und klaren Perspektiven zur beruflichen Entwicklung.

Pay / Benefits

• attraktives und anspruchsvolles Aufgabengebiet
• modernste Medizintechnik
• finanzielle Unterstützung bei externen Fortbildungen
• Wohnmöglichkeiten in den klinikeigenen Appartementhäusern
• Unterstützung bei Wohnortverlegung
• Perspektivgespräche zur strukturierten Weiterbildung

Responsibilites

• Mitwirkung im gesamten urologischen Endoskopie-Spektrum (starr und flexibel)
• Durchführung und Unterstützung von laparoskopischen und extrakorporalen Verfahren
• Bearbeitung komplexer onkologische Fälle in interdisziplinärer Tumorkonferenz
• Nutzung moderner Medizintechnik und Geräteparks zur Diagnostik und Therapie
• Zusammenarbeit im Team zur Sicherstellung einer hochwertigen Patientenversorgung

Key requirements

• Teamfähig
• Kooperations- und Kommunikationsbereit
• Engagement und Motivation für persönliche/berufliche Weiterbildung
• Zuverlässige und verantwortungsbewusste Arbeitsweise