Remote 💻 Development Jobs

We are currently looking for a Middle Python Engineer for our flagship project, Happy Color.

Key Responsibilities:

Data/Workflow:

• Develop and maintain DAGs in Airflow: sensors, custom operators, retries/SLAs, dependent pipelines.
• Integrate with external APIs/databases, ensure reliable error handling, idempotency, scheduling, and manage secrets.

Automation:

• Create scripts and services in Python (CLI, bots, utilities) to automate manual processes within teams.
• Develop small internal services/adapters (FastAPI/Flask).

Observability and Stability:

• Implement metrics/logs/traces using Prometheus/OpenTelemetry, Sentry; set up alerts and SLO/SLI.
• Create dashboards in Grafana: data sources, variables, alerts, business and technical metrics.
• Perform synthetic checks (health/e2e) and establish regression gates in CI.
  AI and Prompts:
• Design and iterate prompts (OpenAI), manage versions, and conduct experiments.
• Develop small pipelines/chains (LangChain/custom wrappers), handle retries, caching, and control costs and quality.
• Implement basic guardrails: validations, restrictions, data privacy.
  Quality and Processes:
• Manage CI/CD using GitLab CI, handle artifacts, environment configurations, and test infrastructure.
• Maintain documentation, manage incident workflows, and conduct postmortems.

Requirements:

• 2+ years of commercial experience as a Python engineer or QA Automation.
• Proficient in Python: standard library, requests/asyncio, type hinting, packaging (poetry/pip), pytest.
• 1+ year of experience with Airflow: DAGs, operators/sensors, dependencies, retries, variables/connections, task monitoring.
• SQL proficiency in writing efficient queries; experience with PostgreSQL/MySQL; basic knowledge of Redis is a plus.
• Monitoring experience: Grafana (dashboards/variables/alerts), Prometheus/Alertmanager, Sentry.
• Process automation: integrating with HTTP APIs, cron/orchestration, small utilities and bots.
• Basic skills with AI providers: OpenAI/Anthropic, prompt engineering, quality/cost assessment.
• Engineering practices: Docker, Git, code reviews, clean code, documentation.
• Communication skills: ability to gather requirements, decompose tasks, and explain solutions.

Preferred Qualifications:

• Experience with FastAPI.
• Knowledge of OpenTelemetry, Loki, Grafana Alerting/Contact Points/Annotations.
• QA expertise: Playwright for synthetic testing, contract tests (OpenAPI/Pact).
• Load testing experience: k6.
• Familiarity with cloud platforms: AWS, basic Helm.
• Experience with feature flags.

What We Offer:

• Competitive salary and benefits package.
• Opportunity to work with a talented and passionate team in a creative and dynamic environment.
• Flexible working hours and remote/office work options.
• Career growth and professional development opportunities.
• A fun and inclusive company culture that celebrates diversity and creativity.

Ruby Labs is looking for a Junior Golang Developer who will be responsible for building scalable and high-performing backend services. Develop, test, maintain, and improve our billing system. You will be a part of a cross-functional team, including engineers and product managers, focused on delivering results in a consistent, sustainable way. The successful candidate will have a passion for innovation, staying up-to-date with emerging technologies, and excellent communication and collaboration skills to work in a cross-functional team in a remote environment.

Key Responsibilities

• Software Development: Participate in the solution development and maintenance of high-performance backend services and applications using Golang.
• Microservices Architecture: Architect, implement, and optimize microservices-based applications, ensuring scalability, reliability, and maintainability.
• Container Orchestration: Collaborate with the DevOps team to deploy and manage Golang applications in Kubernetes clusters using Helm for efficient package management.
• Database Management: Design and optimize database schemas, queries, and transactions, specifically using Postgres. Ensure data integrity, performance, and scalability. Additionally, use Redis to improve application performance.
• Billing System: Develop and enhance the billing system to ensure accurate and timely processing of financial transactions.
• Code Review: Conduct code reviews to ensure code quality, best practices, and adherence to coding standards.
• Collaboration: Collaborate within the cross-functional team, including DevOps, Backend and Frontend developers, QA and product management to understand requirements and deliver high-quality software solutions. Documentation: Maintain comprehensive documentation for code, architecture, and processes to facilitate knowledge transfer and onboarding of team members.
• Testing: Ensure decent Unit test coverage of the applications and participate in keeping the autotest suite up-to-date.

Qualifications

• Experience: Minimum of 1 year of professional experience in development as a Golang developer, with a proven track record of delivering scalable and robust solutions.
• Golang: Expertise in Golang, with a deep understanding of its concurrency model, frameworks, and best practices.
• Microservices: Experience in designing, developing, and maintaining microservices architectures.
• Database Skills: Proficient in designing and optimizing databases, particularly with Postgres.
• Collaboration: Excellent communication skills and the ability to work collaboratively in a team environment.
• Problem-Solving: Strong problem-solving skills and the ability to think critically about complex technical challenges.

Nice to have

• Billing Systems: Previous involvement in the development and maintenance of billing systems.
• Cloud solutions: Experience using AWS services
• Database Skills: Experience using NoSQL databases

Location

Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours.

Benefits

Discover the perks of being part of our vibrant team! We offer:

• Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance.
• Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days.
• Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge.
• Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them.
• Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere.

Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth!

Interview Process

After submitting your application, we conduct a thorough review which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received. If we see a potential fit, we proceed with the following steps:

• Recruiter Screening (40 minutes)
• Technical Interview (90 minutes)
• Final Interview (60 minutes)

Right now we are looking for a talented iOS Developer who will join the Innovation Department — where new product ideas are born, tested, and shipped fast.

Push the pace of innovation and build a future of a healthier world with us!

Key Responsibilities:

• Work on the frontlines of product development — turning raw ideas into functional prototypes and MVPs with real users in mind;
• Take full ownership of features from concept to code — often without rigid specs or long planning cycles;
• Create beautiful, exciting UI that feels alive — not just functional, but emotionally engaging;
• Explore new technologies, APIs, interactions — and build things that haven’t been done before;
• Collaborate with product, design, and research — but without bureaucracy or slow loops;
• Move fast: this role is not about endless “pixel pushing” or tweaking paddings for weeks — it’s about designing bold, gorgeous, high-impact experiences that matter.

What we’re looking for:

• You genuinely love iOS — and have a passion for beautiful interfaces, smooth animations, delightful interactions;
• You’ve shipped your own apps to the App Store (or built something end-to-end);
• You enjoy hackathons, side-projects, or just building cool stuff for the sake of it;
• You thrive when given freedom and trust — and you’re excited to shape the future of the product, not just maintain the past;
• You move fast, think like a maker, and see constraints as fuel, not friction.

Our current tech stack:

• Swift
• SwiftUI
• GRDB
• PinLayout

We’ve recently migrated to SwiftUI and async/await as part of our modernization efforts. Our minimum deployment target is iOS 17.5, so you’ll get to work with the latest APIs without legacy constraints.

Perks and Benefits:

• Open-minded teams, a welcoming and inclusive company culture, plus the opportunity to make a real difference with a game-changing health tech product;
• A competitive salary package based on your unique expertise, skillset, and impact on the product plus stock options;
• In-office or hybrid work (3 days in office) opportunities;
• Relocation package (Cyprus) - optional;
• The equipment whatever you need to be happy and productive;
• A premium SIMPLE subscription;
• 21 days annual leave, plus bank holidays (those observed where you live);
• Flexible hours. We focus on your results, not how long you spend at your desk.

Our business is expanding, and we seek a Senior Rendering Engineer to help us improve Altium products.

A Day in the Life of Our Senior Rendering Engineer:

• Innovative Code Development: Design, develop, and optimize rendering systems for real-time applications.
• Algorithm Mastery: Develop cutting-edge algorithms and specifications that form the backbone of our software solutions.
  
• Ongoing Support: Provide invaluable support for existing source code across a spectrum of products, ensuring their continued success in the market.

Who We’re Looking For:

• Seasoned Expertise: Min. 5 years experience in software development.
• Language Proficiency: Strong C++, C#, and shader languages like HLSL and GLSL.
• Experience with rendering APIs: DirectX 11/12 and OpenGL/WebGL.
• Rendering: Deep understanding of real-time rendering techniques and GPU architectures.
• Strong mathematical skills: Linear algebra, vector math, and transformations.
• Modern Techniques: Demonstrate your proficiency in modern programming techniques and patterns, showcasing your adaptability and innovation.
• Optimization Acumen: Experience with performance profiling and debugging tools like PIX, NSight, RenderDoc.
  
• Cross-Platform Expertise: Showcase your capability in writing efficient, compact, and cross-platform code, ensuring our solutions are accessible and versatile.
• Algorithmic Fluency: Exhibit a deep understanding of algorithms and data structures, with hands-on experience in complexity analysis.
  
• Modular Design: Highlight your expertise in designing and implementing modular, easily extensible solutions that pave the way for future growth and development.
  
• Communication Skills: Ability to effectively communicate in English, both written and verbal, within a professional environment, ensuring seamless collaboration and understanding.
  

Benefits

• Private medical insurance  
• Group life insurance
• Contributions to your Kafeteria MyBenefit account
• nilo.health, mental health and wellbeing support
• Professional development support
• Performance bonuses  
• Home internet allowance
• Flexible working arrangements available based on role and location
• Free lunch on Tuesdays, snacks and drinks
• Free Parking

Responsibilities

• Create services from scratch and support existing ones;
• Work closely with core backend team and RND department to build ML solutions into production;
• Develop HL architecture;
• Supervise the process of delivering the feature to the user;
• Work closely with gRPC;
• Develop data storage schemas;
• Participate in creating a backend culture in the company.

Requirements

• Experience in Python3 development from 3 years;
• Experience and understanding of synchronization principles in asynchronous programming: multithreading, multiprocessing, asyncio;
• Experience with PostgreSQL or other RDBMS for 2 years or more;
• Ability to write and raw SQL query and using ORM. Understanding of the need to use one or another type of index in different situations;
• Experience creating RPC API/REST API;
• Experience with Kafka/RabbitMQ or other message brokers;
• Experience with FastAPI/Django/Flask or other Python web frameworks.

How we hire:

• HR interview
• Tech interview
• Final interview СТО
• Reference check

Conditions:

• Professional development – paid training and courses, online / offline lectures, workshops and trainings. Our employees take part in all major IT meetups;
• Adaptation – qualitative onboarding, we help to quickly and smoothly solve all problems. regularly collect feedback throughout the trial period;
• Career development – Review is conducted every 6 months, we monitor results and help improve performance;
• Balance between work and personal life – ability to conveniently build your work schedule, take vacations and days off without a bunch of approvals and bureaucracy;
• Health – extended voluntary health insurance (on the territory of Montenegro);
• Office space – a cool office in Montenegro, with comfortable workplaces and lounge areas;
• Relocation – we offer a full package of documents for those who are ready to move to Montenegro, and we help with obtaining a residence permit;
• Prequel+ – premium access to the entire Prequel product.

We are looking for a skilled Blockchain Developer to build and enhance the TON smart contracts for Doggverse — a core infrastructure product enabling secure and seamless interaction between wallets and decentralized applications in the TON ecosystem. With your expertise, we aim to scale the protocol, improve security and performance, and deliver a reliable experience to millions of users worldwide.

Responsibilities:

• Design, implement, and ship TON smart contracts with clean APIs and secure distribution.
• Build core metaverse flows: NFT minting, shared land purchasing, send/receive, and stable dApp connections (TON Connect).
• Deliver assets & history: balances, tokens/jettons, NFTs, and accurate transaction previews/emulation.
• Ensure security, performance, and reliability; maintain robust automated tests and sample integration apps.

Requirements:

• 5+ years blockchain development with FunC/Tact or similar (Solidity experience a plus).
• Strong networking & concurrency, long-lived connections, retry/backoff; background processes mastery.
• Offline-first persistence: databases, schema/versioning, data caching.
• Security fundamentals: secure key handling, hardware-backed keys.
• Performance & quality: profiling, unit/integration tests, CI.
• Clear technical communication in English.

Nice-to-have:

• Web3/TON exposure: mnemonics/derivation, signing, tokens/NFTs, TON Connect/WalletConnect, TonCenter v3.
• Event-driven/reliable messaging: queues, retries, idempotency, offline event stores.
• Auth UX: Biometrics, passkeys/FIDO2, secure session design.
• Telemetry/analytics for smart contracts; open-source contributions.
• Deep integration with TON mini apps.

Why it is a fantastic opportunity:

• Our business is growing at an exponential scale.
• Non-bureaucratic management that focuses on results.
• Regular performance reviews to assess your progress.
• Remote setup with access to our hubs if needed.
• Compensation for medical expenses.
• Provision of necessary equipment.
• 20 working days of paid vacation annually.
• 11 days off per year.
• 14 days of paid sick leave to support your health and recovery when needed.
• Access to internal conferences, English courses, and corporate events.
• Payment starts after Christmas (December 2025), with potential $DOGG token incentives.

We are currently looking for Senior Backend Developers to join the Payments team. It will be necessary to develop a unified payment service (Payments API) that is used for processing payments across all Joom Group projects.

Tech stack: Go, MongoDB, AWS, Kafka, Spark (Scala), gRPC

Responsibilities

• Come up with architecture
• Program in Go (Go is not a must for us; it is more important for a successful candidate to have solid algorithm skills, fundamental technical knowledge, and great coding skills in general)
• Provide fault tolerance for coded services in an AWS environment
• Be prepared for a constant increase of processed and stored data loads and volumes
• Participate in new feature and product development discussions

Requirements

• Confident knowledge of any of the programming languages: Go/Java/Kotlin/C ++/Python/Scala
• Complex project development experience
• Excellent algorithmic training
• Experience in development for Linux / Unix

Preferred

• Experience in people management, leading and coaching others developers
  
• Experience with highload
• Experience with MongoDB
• Experience with Kubernetes

We offer

• Compensation package: base salary and performance-based bonuses
• Office-first: flexible hours with a possibility to work remotely 52 days per year
• Care & Wellbeing: health insurance (including dental care) for employees and their children, daily meal allowance, and 100% paid sick leave
• Relocation Support: full assistance for a smooth relocation for the employees and their family
• Team & Growth: collaboration with colleagues across Portugal, Brazil, Latvia and China, with opportunities for promotions, professional trainings, and English & Portuguese courses
• Community & Engagement: annual team building activities, knowledge-sharing workshops, and a strong sense of team work

As an Android Engineer at N26, you will be encouraged to embrace the latest technological updates and given a platform to work on complex, interesting problems on a daily basis.In this role, you will:

• Collaborate closely with your team on architecting new features and seeing them through to completion
• Design, develop, test, deploy and maintain software in a thriving environment
• Stay up to date with the latest trends in technology and you are not afraid to propose some findings during our Get Stuff Done Days
• Work within your cross-functional team to uphold the highest technical standards right across the product

What you need to be successful:

• Deep knowledge of Kotlin
• Thorough experience with the Android Open Source Platform and Material Design principles
• Code quality tingles your senses - you can see, feel and smell the difference between good and bad architecture
• Experience with Model-View-ViewModel architectural patterns
• Experience with Reactive programming - Kotlin Flows and Coroutines
• Able to build software with a focus on testability - Test/Behaviour Driven Development, Dependency Injection
• You have previous experience around CI/CD infrastructure for Mobile products
• Experience in building components that act as a foundation for your fellow Engineers
• Outstanding communication skills, and the ability to drive iterations to improve even further your work

Nice to have:

• Active participant/speaker at meet-ups and conferences in the Android community

Traits:

• Actively help yourself (and others) be successful
• Continuously learn and challenge the status quo
• Think globally, act locally
• Strong bias for action
• Give and receive open, direct and 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.
• Come together with your team in the office for a dedicated day of teamwork each week, plus another day of your choice, and enjoy the flexibility of remote work the rest of the time. Some roles may require additional in-office presence.
• 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, life experiences and backgrounds.
• A relocation package with visa support for those who need it.

We are looking for an experienced Data Engineer to join our Analytics Infrastructure team. Our team is responsible for collecting, processing, and storing all company data that drives business decisions and product analytics. You will participate in developing a high-load analytical platform, work with Big Data, and build scalable solutions for data storage and processing. Your work will directly impact key business decisions and product development.

Your Role:

• Data collection and integration from third-party services (APIs, SFTP, databases, etc.)
• Design and development of ETL/ELT processes for analytical data warehouse.
• Assistance to analytics team with queries refactoring and optimization.
• Code refactoring and performance optimization of existing data pipelines.
• Ensuring data quality and consistency across the warehouse.
• Monitoring and maintaining data infrastructure.
  

What We’re Looking For:

• Experience in Python, middle+ or senior level.
• Experience with Apache Airflow (2.8+) for data orchestration.
• Deep knowledge of SQL and experience with database and queries optimization.
• Experience with columnar databases (Starrocks, ClickHouse, Vertica, etc.)
• Experience in ELT processes design and implementation.
• Experience working with large datasets and performance optimization.
  

Nice to Have:

• Experience with StarRocks and BigQuery.
• Infrastructure-as-Code experience with Terraform.
• Experience with DBT.
• Experience with Kubernetes (as a user).
  

What We Offer:

• Competitive market rate salary and performance-based incentives.
• 22 days annual leave with an additional 6 company days, plus bank holidays.
• Comprehensive health insurance plans.
• Extensive benefits program.
• Flexible work schedule and remote work options.
• Modern offices and co-working spaces across 6 countries.
• Working equipment.
• Professional development and training opportunities.
• Opportunity to shape the initiatives you’re working on.
• Diverse and friendly team.
• We are open-minded to new ideas.

Oria is the world’s first agentic AI for automatically creating and designing complex enterprise slides. We built and patented the first version and have launched with 15+ B2B clients.

We’re growing quickly, closing a pre-seed round, and launching version two. The founders are ex-McKinsey (London and Singapore). We’re a distributed team with a main hub in London.

About the role:

We’re looking for a founding engineer to take over development from an external vendor. Broad scope with lots of freedom: from hooking up the admin portal, to setting up a token-based payments system, to deploying new agentic AI modules.

We’re open to energetic early-career engineers as well as more experienced developers planning to move into a CTO role. Part-time and full-time are both possible, as is fully remote work, including from Russia and Belarus.

Stack: Backend Python + TypeScript on AWS

Compensation:

• Significant equity package for the “founding” role
• $1.5–2.5K part-time
• $3–4K full-time

We’re looking for a Middle Backend Developer to join the Content Team.

The team is developing a critical component for the entire business — the Hotel Card, a high-load service with organic user traffic. To keep the Card running smoothly, the team also maintains and evolves related components like Geo, UGC, and Content Core.

You're definitely a fit if you:

• Maintain a high standard of code quality and constantly raise the bar
• Can suggest multiple solutions, considering risks and context
• See the value in giving and receiving constructive feedback
• Are eager to understand the product's business side and real user needs

This might not be the right team for you if you:

• Are afraid to make mistakes and avoid trying new things
• Write perfect code but forget about deadlines
• Avoid bringing uncomfortable topics up for discussion
• Take all problems or feedback too personally

Job responsibilities

• Writing, debugging, and testing code
• Writing and optimizing SQL queries, profiling performance, identifying bottlenecks
• Collaborating with QA to maintain code quality
• Applying SOLID and DRY principles in practice
• Taking full ownership of small and mid-sized tasks

Tech stack:

• Data stored in PostgreSQL 13 (+PostGIS) and Aerospike
• Caching via Redis
• Event streaming through Kafka
• Codebase in Python 3.12 and Golang 1.25
• It’s okay if you only know one — the key is motivation to learn the other and gain hands-on experience.

Key qualifications

Hard skills:

• 3+ years of professional experience with Python 3.x
• 2+ years of hands-on experience with PostgreSQL 13+ (+PostGIS)
• Solid experience with query optimization and resource usage tuning
• Strong understanding of SOLID principles and their practical application
• English at minimum B1 level, including spoken communication

Nice to have:

• Experience with Golang, or strong desire to learn it
• Experience with Django
• Experience with Aerospike

Soft skills:

• Motivation to grow toward a Team Lead role
• Ability to deliver under tight deadlines dictated by business needs
• Self-organization and proactivity
• A mindset for win-win collaboration

We offer you

• Flexible schedules and opportunity to work remotely.
• Ambitious and supportive team who love what they do, appreciate each other, and grow together.
• Internal programs for adaptation and training, development of soft skills, and leadership abilities.
• Partial compensation for participating in external training and conferences.
• Corporate English school: Group and individual lessons, speaking clubs with colleagues from all over the world.
• Corporate prices on hotels and travel services.
• MyTime Day Off - an extra non-working day once per quarter without loss of compensation.

This is a fully remote opportunity for a Senior Frontend Developer to join our Growth team, a platform that helps companies worldwide grow their businesses in the international app market.  As a part of the team you will work on core product functionality to analyze and manage ratings and reviews at scale, automate workflows, and monitor app store performance.

Responsibilities include, but are not limited to:

• Develop and Maintain Growth Functionality: Work on the registration and pricing pages, as well as the subscription and billing pages. Ensure that the onboarding process for users and the experiments conducted are efficient, scalable, and user-friendly.‍
• Focus on Product Enhancements for Business Impact: Proactively identify areas for technical and product enhancement and collaborate with stakeholders to implement improvements.‍
• Collaboration with Designers: Work closely with designers to discuss implementation details, gather requirements, and identify common components for the design system and UI kit.‍
• Ensure Quality through Testing and Coordination: Write and maintain unit and integration tests to ensure code reliability and stability. Coordinate with the QA team to identify potential issues early, enhance testing processes, and deliver a high-quality product.

Job Requirements:

• 5 years of production experience with frontend (at least 3 years with React and its ecosystem).
• Solid understanding of modern Typescript, Javascript (ESNext) and browser APIs;
• Solid understanding of modern HTML & CSS, including CSS modules, responsive design principles, and modular CSS architecture.
• Experienced in code reviews, advocating for clean, maintainable code by providing constructive feedback and following best practices.
• Passion for keeping up-to-date with the latest frontend technologies, trends, and best practices.
• Upper intermediate Englsih and Russian

Would be an advantage:

• Ability to build an application from the ground up, including setting up linting, testing, build tools, CI/CD pipelines, and configuring web servers.
• Strong skills in performance profiling and debugging.
• Experience in optimizing frontend performance and bundle size.
• Experience in the development and maintenance of UI component libraries or design systems.

Benefits we offer:

• Full-time remote job. Though you’re always welcome to spend time with us in our office in Helsinki
• Paid Vacation and Sick leaves. Take the time you need to stay motivated, charged, and balanced. By prior agreement, you can have days off for special occasions
• Generous social benefits package including health insurance, equipment reimbursement, home office moderation bonus, and many more
• Stock options bonus according to the employee stock ownership plan
• You’ll have executive-level visibility into how the company is run and performing. We are always ready to provide dedicated support and fast-track your onboarding, including giving you the tools you need to be successful.

The biggest benefit is our awesome AppFollow team. We're a team of open-minded and friendly high-skilled professionals that enjoy creating a great product, growing together, and supporting each other.

Jump on the board!

AI Studio is a part of  Nebius Cloud, one of the world’s largest GPU clouds, running tens of thousands of GPUs. We are building an inference platform that makes every kind of foundation model — text, vision, audio, and emerging multimodal architectures — fast, reliable, and effortless to deploy at massive scale.

Responsibilities:

• Develop and optimize low-level kernels and runtime components for AI inference
• Improve performance of inference engines GPU platforms
• Profile and debug system-level and hardware-level performance issues
• Integrate support for new hardware architectures (Hopper, Blackwell, Rubin)
• Collaborate with ML and backend teams to optimize end-to-end execution

Required Qualifications:

• Strong proficiency in C++, OR expertise in GPU programming with a focus on low-level high-performance coding and memory management
• Experience in GPU programming or systems-level software development, e.g. operating system internals, kernel modules, or device drivers
• Hands-on experience with profiling and debugging tools to identify performance issues on both CPUs and GPUs, and the ability to optimize code based on those findings.
• Solid understanding of CPU/GPU architecture and memory hierarchy

Preferred Qualifications:

• Experience with GPU computing programming: CUDA, ROCm, CUTLASS, Cute, ThunderKittens, Triton, Pallas, Mosaic GPU
• Familiarity with ML inference runtimes (e.g. TensorRT, TVM)
• Knowledge of Linux internals, drivers, or compiler toolchains
• Experience with tools like perf, VTune, Nsight, or ROCm profiler
• Familiarity with popular inference engines (e.g. such as vLLM, sglang, TGI)

What we offer:

• Competitive salary and comprehensive benefits package.
• Opportunities for professional growth within Nebius.
• Hybrid working arrangements.
• A dynamic and collaborative work environment that values initiative and innovation.

Wallet in Telegram is a digital asset solution natively embedded into Telegram’s interface. Backed by The Open Platform, Wallet in Telegram gained 100M+ user accounts in 2024, and aims to make its solution available to all 1BN+ of Telegram’s users. Wallet in Telegram offers a dual-wallet experience with Crypto Wallet (a multi-chain wallet for trading and sending crypto to contacts) and TON Wallet (a self-custodial wallet with access to the TON ecosystem of dApps and tokens).

Now we are seeking a Backend/Fullstack Engineer in our Core team. Our team build most of the things you see on main page of wallet. We’re looking for a product-oriented engineer with strong backend skills, curiosity for frontend, and the autonomy to drive work forward - from clarifying requirements with product to coordinating with other teams.

Responsibilities:

• Build one of the world’s most heavily used crypto wallets. We care about delivering a best-in-market product with near-native UX for users within the Telegram ecosystem.
• Collaborate with Product Managers, teammates, and other teams to clarify requirements and contribute ideas and improvements.
• Design and implement cost-efficient solutions. While you will work on backend tasks, our backend experts will provide guidance and support.
• Improve backend performance to meet the company’s latency and performance standards.

What you should have:

• Make well-reasoned engineering decisions with a focus on product delivery and fast iterations.
• Demonstrate product thinking and a genuine interest in what you build.
• Senior-level Python backend experience (any stack).
• Some frontend experience (any framework) or a strong willingness to learn and contribute to frontend development (our frontend is built on React).
• Strong communication skills, a positive attitude, and empathy.
• Self-awareness and a desire for continuous improvement.
• Ability to realistically evaluate task complexity.
• Openness to discussion and consideration of opposing viewpoints.
• English level B1+.

Why it is a fantastic opportunity

• Our business is growing at an exponential scale.
• Non-bureaucratic management that focuses on results.
• Regular performance reviews to assess your progress.
• Remote setup with access to our hubs in Dubai, Yerevan, London and Belgrade.
• Compensation for medical expenses.
• Provision of necessary equipment.
• 20 working days of paid vacation annually.
• 11 days off per year.
• 14 days of paid sick leave to support your health and recovery when needed.
• Access to internal conferences, English courses and corporate events.

The Integration Engineer at Tabby plays a crucial role in facilitating seamless integration of our BNPL products with our merchant partners. This position requires a blend of technical expertise, problem-solving skills, and effective communication to ensure successful integrations and ongoing support.

Key Responsibilities

• Collaborate directly with merchants to understand their requirements and guide them through integrating Tabby’s APIs, website plugins, and mobile SDKs, ensuring a smooth and efficient process.
• Work closely with internal teams - including Sales, Account Management, Product Managers, Developers, and QA Engineers - to align on integration objectives and address technical challenges.
• Act as the primary technical point of contact for merchants, troubleshooting integration issues, conducting initial problem analysis, and coordinating with development teams to implement solutions.
• Establish monitoring systems to oversee integration performance, ensure continuous operation, and participate in incident management related to integrations and payments.
• Develop technical content, including documentation and demos, to educate customers on implementing specific use cases and best practices with Tabby’s products.

Skills, Knowledge & Expertise

• A minimum of 2 years in a technical role, with at least 1 year as an Integration Engineer, QA Engineer, or Technical Support Agent. Experience with payment providers or acquirers is advantageous.
• Strong understanding of RESTful API principles and development, with hands-on experience using tools like Postman. Familiarity with monitoring and logging systems such as Datadog, Grafana, or Kibana.
• Demonstrated ability to participate in incident management, conduct post-mortems, and implement effective solutions.
• Proficiency in English at a B2 level or higher, with the ability to convey complex technical concepts to both technical and non-technical stakeholders.
• Experience working with development teams, understanding product processes, and managing tasks using Helpdesk systems and Jira task trackers.

Nice to Have:

• Ability to write simple SQL queries for data retrieval and analysis.
• Familiarity with E-commerce platforms such as Shopify, WooCommerce, Magento, etc.
• Experience in establishing and configuring service monitoring tools to ensure reliability.
• Proven experience in B2B communications, particularly in a technical support or integration context.
• Experience in developing and optimizing external QA and support processes to enhance efficiency and customer satisfaction.

Job Benefits

We offer remote work from anywhere in the world and are happy to work out an individual relocation plan for you. Our employees have the opportunity to choose a country for registration: at the moment those are Armenia/Georgia/Serbia/Portugal/Spain.We will help you open a legal entity and a bank account. In Armenia and Georgia the taxes are compensated by Tabby. In other countries we provide partial compensation of taxes.We employ according to B2B contracts (service agreements).

For our employees we cover the following:

• Flight to one of the mentioned countries.
• Accommodation during the paperwork completion period.
• Opening a bank account and getting a residence permit in one of the mentioned countries.
• Family relocation (dependants).

New employees can also choose an alternative method of relocation to another country of their choice. In this case, Tabby will reimburse up to $5,000 of verified costs upon opening a legal entity and a bank account.

What you can expect

• We offer flexible working hours and trust you to work enough hours to do your job well, at times that suit you and your team.
• A working environment that gives you autonomy and responsibility from day one.
• You should be comfortable with the idea that the quality of your work will influence the shape of your career.
• Participation in company’s employee stock options program.
• Health Insurance

We are passionate about creating an inclusive, high-performing workplace that gives people from all backgrounds the support they need to thrive, grow and meet their goals (whatever they may be).

If this sounds exciting to you, we’d love to hear from you!

Join our team as a Senior Android Software Engineer and play a key role in building innovative features using Kotlin Multiplatform and Compose Multiplatform for both Android and iOS. You'll help shape our core KMP codebase and create shared UI components.

This is a fantastic opportunity to work with Kotlin Multiplatform and Compose Multiplatform at scale in a production environment.

Your Impact:

• Develop and enhance mobile application features with a focus on Kotlin Multiplatform and Compose Multiplatform.
• Contribute to the development of application core components while ensuring high standards of code quality.
• Adopt and advocate for best engineering practices to improve our development process.
• Collaborate closely with Product Managers and Designers to deliver impactful solutions.

Your Qualifications:

• Solid mobile development experience with strong expertise in Kotlin.
• Strong understanding of mobile app architecture, SOLID principles, and clean architecture, with an ability to maintain simplicity in design.
• Experience building UIs with Jetpack Compose.
• Proficiency with Kotlin Coroutines and Flow.
• Understanding of UI layer architectural approaches (MVVM, MVP, MVI).
• A desire to explore and work with Kotlin Multiplatform and Compose Multiplatform.

Standout Qualities:

• Practical experience with Kotlin Multiplatform.
• Experience in iOS development.
• Experience introducing architectural and design improvements into existing applications.

Team Dynamics:

Our mobile team comprises Android, iOS, and backend engineers, QA specialists, a product manager, and a designer, all supported by UX researchers and writers. We’re dedicated to enriching Wrike’s web experience by providing mobile solutions that empower users to stay productive anywhere.

Our Work Style:

Our tech stack revolves around Kotlin as the primary language, leveraging Coroutines and Flow for asynchronous operations. We use MVVM as our architectural pattern and Compose for building UIs. Kotlin Multiplatform and Compose Multiplatform are actively used, with multiple features already running successfully in production.

Why Join Wrike?

• 28 calendar days of paid vacation
• Sick leave compensation
• Life insurance plan
• Health insurance plan
• Fitness plan (800 EUR/year)
• Parental leave
• 2 volunteer days
• Full-remote & On-demand access to Co-working space
• Utility allowance (30 EUR/month, subject to taxation

Hybrid work mode

Wrike promotes a hybrid model for team members near our office hubs in San Diego, Prague, Dublin, Nicosia, and Tallinn, with 2–3 in-office days per week to foster collaboration and teamwork. This work mode supports our culture of collaboration and solving problems fast to deliver business outcomes and win together.

At Finom, we’re on a mission to transform the financial landscape for small and medium businesses (SMEs) across Europe. We’re all about innovation, putting our customers first, and making data-driven decisions. We’re building something special - a financial platform that simplifies finance management, eliminates routine tasks and makes life easier for our customers. As we expand, we’re looking for a Senior Machine Learning Engineer to join our Data Science & Machine Learning team and help us scale our efforts through data-driven insights and advanced machine-learning models.

What You Will Be Doing

• Develop and deploy full-stack ML models (binary classification and regression) to detect and prevent financial crime during transaction processing and client onboarding: gathering requirements, prototyping, and deployment in a production environment.
• Manage and optimize a portfolio of transaction monitoring rules, improving their efficiency and reducing false positives
• Automate the end-to-end machine learning lifecycle using AutoML approaches
• Work with large datasets from DWH systems (PostgreSQL, Databricks) for analysis and feature engineering
• Contribute to building and improving infrastructure for ML model operationalization and inter-service communication

Who You Are

• Experienced Machine Learning Engineer or Full-stack Data Scientist with a solid track record in delivering production-grade ML solutions
• Proficient in Python and SQL-based programming
• Skilled in working with cloud-based data platforms such as Databricks
• Experienced in deploying machine learning models and API services (e.g., FastAPI) in production environments
• Strong understanding of system architecture and ability to design scalable ML solutions
• Analytical and critical thinker with a proactive, results-driven mindset
• Comfortable working in fast-paced, start-up environments with minimal supervision
• Educational background in mathematics, engineering, economics, or computer science
• Fluent in English, capable of working in an international environment

What You Will Get In Return

Make a genuine impact on the product

Join our upward trajectory, and grow with us. We provide the resources and opportunities for continuous personal and professional development, empowering you to make a genuine impact on our evolving product.

Work in the EU

Embark on this exciting journey with us and enjoy the flexibility of traveling and working remotely or in a hybrid model across Europe.

Become a stock options holder

Unlock your inner entrepreneur and align your aspirations with ours through our Stock Options Program. This exciting opportunity is available to every team member, from junior team members to our founders.

Receive unwavering support and care

Finom stands by you at every step, embodying our commitment to your well-being and success reflected in our modern, friendly, and eco-conscious corporate culture. We offer constant support and care to ensure your Finom experience is successful and fulfilling.

Work & Swim program

Immerse yourself in our exclusive Work & Swim Program. Spend one month in a comfortable corporate apartment in enchanting Cyprus. It's the ideal opportunity to strike the perfect work-life balance while enjoying breathtaking Mediterranean views.

We are looking for a skilled Android Developer to build and enhance the TON Connect Android SDK — a core infrastructure product enabling secure and seamless interaction between wallets and decentralized applications in the TON ecosystem. With your expertise, we aim to scale the protocol, improve security and performance, and deliver a reliable experience to millions of users worldwide.

Responsibilities:

• Design, implement, and ship the Android SDK with clean public APIs and Gradle/Maven (AAR) distribution.
• Build core wallet flows: account setup/import, secure signing, send/receive, and stable dApp connections (TON Connect).
• Deliver assets & history: balances, tokens/jettons, NFTs, and accurate transaction previews/emulation.
• Ensure security, performance, and reliability across API 24+; maintain robust automated tests and a sample integration app.

Requirements:

• 5+ years Android development with Kotlin; shipped libraries/SDKs used by external apps (AAR, semantic versioning).
• Strong networking & concurrency, coroutines/Flow, long-lived connections (SSE/WebSocket-like), retry/backoff; background/lifecycle mastery.
• Offline-first persistence: Room/SQLite, schema/versioning, data caching.
• Security fundamentals: Android Keystore/StrongBox, hardware-backed keys, secure secret handling.
• Performance & quality: profiling (Android Studio Profiler), strict main-thread budgeting, unit/integration tests, CI.
• Clear technical communication in English.

Nice-to-have:

• Web3/TON exposure: mnemonics/derivation, signing, tokens/NFTs, TON Connect/WalletConnect, TonCenter v3.
• Event-driven/reliable messaging: queues, retries, idempotency, offline event stores.
• Auth UX: Biometrics (BiometricPrompt), passkeys/FIDO2 (Credential Manager), secure session design.
• Jetpack Compose components, theming, i18n; telemetry/analytics for SDKs; open-source contributions.
• Deep links/App Links and intent routing expertise.

Why it is a fantastic opportunity:

• Our business is growing at an exponential scale.
• Non-bureaucratic management that focuses on results.
• Regular performance reviews to assess your progress.
• Remote setup with access to our hubs in Dubai, Yerevan, London and Belgrade.
• Compensation for medical expenses.
• Provision of necessary equipment.
• 20 working days of paid vacation annually.
• 11 days off per year.
• 14 days of paid sick leave to support your health and recovery when needed.
• Access to internal conferences, English courses and corporate events.

We deliver high-impact, full-cycle tech solutions designed to scale. From seamless integration and expert consulting to long-term operational support, our platform powers millions of active players and drives real business growth. It’s more than just a product — it’s the iGaming Platform for Champions, built for those who play to lead.

We know the game and how to take it to the next level. With 1000+ talented professionals on board, we don't just build tech — we build success stories for iGaming operators all over the world.

Our ambition drives us, our people make it real. Join us and be part of building champion-level success!

What You’ll Be Driving:

• Developing a user interface and logic for Aff.Tech;
• Participating in the development of software architectural solutions (create ADRs with the team, propose solutions and promote them);
• Supporting full development cycle (from accepting technical requirements from PO, code reviewing — to deliver changes to production);
• Closely communicating with product managers, providing best solutions and influence the product;
• Learning new things, new technologies, developing as a professional.

What Makes You a GR8 Fit:

• Working experience with commercial projects for over 3 years;
• Strong knowledge of React, PHP, Symfony, MySQL;
• Proven knowledge of JavaScript Core, ES6+, HTML5, CSS3;
• Knowledge of software design patterns, oop/functional programming;
• Experience with ClickHouse, Kafka & Redis would by a plus;
• Knowledge of Git flow and GitLab, JIRA, Confluence;
• Knowledge of CI/CD, Docker;
• Proficiency in working with build tools (Webpack);
• Familiarity with REST API;
• Experience with config management and distribution;
• Intermediate plus English level.

Why You’ll Love Working Here:

Benefits Cafeteria

An annual fixed budget that you can use based on your needs and lifestyle. You decide how to allocate it:

• Sports – gym, yoga, or any activity to keep you active;
• Medical – insurance and wellness services;
• Mental health– therapy or coaching support;
• Home office – ergonomic furniture, gadgets, and tools;
• Languages – courses to improve or learn new skills.

Work-life

• Parental support with paid maternity/paternity leave and monthly childcare allowance;
• 20+ vacation days, unlimited sick leave, and emergency time off;
• Remote-first setup with full tech support and coworking compensation;
• Regular team events – online, offline, and offsite;
• Learning culture with internal courses, career development programs, and real growth opportunities.

Our Culture & Core Values

GR8 Tech culture is how we win. Behind every bold idea and breakthrough is a foundation of trust, ownership, and a growth mindset. We move fast, stay curious, and always keep it real, with open feedback, room to experiment, and a team that’s got your back.

• FUELLED BY TRUST: we’re open, honest, and have each other’s backs;
• OWN YOUR GAME: we take initiative and own what we do;
• ACCELER8: we move fast, focus smart, and keep it simple;
• CHALLENGE ACCEPTED: we grow through challenges and stay curious;
• BULLETPROOF: we’re resilient, ready, and always have a plan.

To keep things efficient, please apply only for roles that closely match your experience.

f you are interested in solving complex product-driven problems, then we are looking forward to seeing you be a part of our team! 70% of our App is on React Native yet UX is totally native.

You will work on:

• The tasks are complex and exciting - cosmic UI, optimization of battery consumption, GPS / Motion, Anti-fraud and Security, analytics and growth & A/B testing.
  Most of the UI is implemented with React Native.
• The overall stack is Android/iOS SDK + Kotlin + Swift + React Native.
• Work day-to-day in a multinational cross-functional team of engineers, designers, and product managers to build the best fitness & health app
• Collaborate with other service teams on evolving our shared processes and tooling to support a large number of teams working on a diverse array of products
• Explore new ways of solving cross-platform design problems at scale

Apply, if You have:

• Portfolio of consumer-facing high-performance mobile applications available in stores
• Advanced React Native skills
• Android SDK / Kotlin / Apple iOS SDK / Swift would be an advantage
• Good understanding of sensors, Google-play, Apple services
• Be able to write maintainable and readable code, good knowledge of design patterns
• Self-motivated and able to achieve deadlines and work independently
• English - Upper-Intermediate or above
• You care deeply about usability, accessibility and performance
• You are eager to learn new technologies (we will support you with training & mentoring)
  We value and pay attention to self-education and self-improvement in all areas, even not related to the profession, that is of interest to you.

What you get in return:

• Remote-friendly & Flexible working hours. The flexibility is incredible, performance is based on output, rather than hours spent working, you can be wherever you want!
• Apple devices for work
• Stock options after 12 months of employment (50% of basic salary)
• Team buildings abroad in exciting locations, when borders are open, we will announce the next adventure!
• Health insurance coverage
• WellBeing program, which supports up to 2 counselling sessions per month
• Unlimited time-off policy

If you feel that's a match we would be excited to have you on our team!