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Middle Network Engineer

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We are looking for a Middle Network Engineer to join our team and contribute to innovative solutions in mobile network security. If you’re a problem-solver with a good eye for debugging and working with libraries, this role is perfect for you!

Main Responsibilities:

Develop and maintain applications
Debugging and troubleshooting with focus on mobile app performance, libraries and ensuring stability
Work in the mobile network stability and security field
Collaborate with senior engineers to improve mobile security protocols and features
Continuously learn and adapt to emerging technologies in mobile development, connection stabilityand security

Required skills:

Experience with Android development using Java and Kotlin
Experience with debugging Android apps and libraries
Understanding network architecture, familiar with various protocols (TCP/IP, UDP, DNS, WebSockets etc.)
A strong skill to work in an unconventional development field and embrace the unknown

Nice to have:

Experience with C++ would be a huge plus
Familiarity with DPI
Network sniffing instruments and approaches

ZiMAD, a mobile game development and publishing company headquartered in Miami, Florida, is seeking a BI Developer to join our Business Intelligence Systems team.

This position involves active participation in nearly every aspect of developing internal BI systems used to calculate key marketing metrics for user acquisition (UA) campaigns, such as ROAS, LTV, CPI, Cost, RR, and others.

The role requires frequent communication with internal stakeholders from marketing departments, as well as hands-on work in creating and refining reports using visualization tools like Superset, Looker Studio, and similar platforms.

It also includes configuring internal services by collaborating with IT teams, developers, and leveraging existing platforms, tools, and solutions to support business objectives.

Success in this role requires a strong mix of business insight, domain expertise, and the ability to communicate clearly with both technical and non-technical stakeholders.

Responsibilities

Participate in internships across key departments such as User Acquisition, Ad Monetization, and others to gain a comprehensive understanding of different business areas
Contribute to various aspects of internal BI systems, including developing and enhancing dashboards and reports (e.g., incrementality analysis, creative optimization)
Maintain and standardize metric definitions, and unify data from different sources such as Facebook Ads and Unity Ads
Collaborate with internal subject-matter experts to gather and document business needs, translating them into clear user, functional, and non-functional requirements
Support the development and/or procurement of new analytics tools and data-driven products that serve internal stakeholders, enhance user experience, and drive overall business success

Requirements:

3–5 years of experience in data analysis and/or as a BI developer, with a solid understanding of data pipelines
Proficiency in SQL, particularly with ClickHouse
Experience designing reusable, multi-dimensional datasets for visualization tools such as Apache Superset, Looker Studio, or similar
Proven ability to collaborate with both business and technical teams to gather requirements and perform impact analysis
Strong team player who thrives in a complex, global work environment
Familiarity with various software development methodologies and disciplines
Skilled in documenting detailed requirements, system designs, and process workflows

Will be a plus:

Experience working with mobile apps and games projects, understanding of the basic metrics’ meaning, industry terms, and trends
Experience in business and system analysis

What we offer:

Opportunity to work for ZiMAD, a US company with a diverse portfolio of global free-to-play (F2P) projects with a multi-million monthly user base
Involvement in the entire product development cycle
Career growth prospects within an international company
Remote work opportunities
Flexible working schedule
Bonuses based on the achievement of KPIs and financial results of projects
Paid conferences, training (including language courses), and workshops
Opportunity to have sessions with psychologists to improve your mental health and well-being
Participation in charity projects

We are looking for an experienced C# Backend Developer to join a team of talented professionals working on our flagship project - the mobile RPG battler Hero Wars Alliance.
The team focuses on building upgrades, battle logic, player interaction, and in-game economics.

What you’ll be doing

Developing new game modes
Refining and improving existing game mechanics
Building features with high-load performance in mind

We hope that you have

3+ years of commercial development experience
Experience with .NET, C#, and ASP.NET Core
Familiarity with relational databases (MySQL, PostgreSQL, etc.)
Experience with technologies like Redis, Memcache, etc.
Experience working with message queues (e.g. Kafka, RabbitMQ, etc.)
Knowledge and understanding of best practices in application architecture
Experience with high-load systems
English proficiency sufficient for reading technical documentation

Nice to have

Experience optimizing database queries
Experience working with cloud platforms (AWS, Azure, etc.)
Understanding of Domain-Driven Design (DDD) principles

What we offer

HealthcareMedical care program (including dental service) or medical care compensation are available for you wherever you wish to work. The medical care program (basic package) is also available for your family members if you choose to work from our official locations – Cyprus, Armenia, and Kazakhstan.
Work, life, and balanceWe offer a fair amount of paid vacation days and sick leave. You can work at one of our comfortable offices in official locations or from home.
SportsYou can choose various sports activities like yoga, football, and volleyball in our official locations.
Relocation supportA relocation package is available for you if you decide to join us in one of our official locations.
Skills improvementLet's learn languages: you can visit online English language courses. Greek and Armenian language lessons are available for everyone who works in Cyprus or Armenia. Our company encourages people of Nexters to take part in game jams, hackathons, and relevant conferences and meetups as expert speakers.
Community & ESGWe are proud of our local communities and support employees’ social initiatives. Dream big, act big: Nexters contribute to gaming’s positive impact on the world, hold a sustainability strategy, and take part in charity projects all over the world.

Work format

In one of the company's offices in Cyprus, Armenia and Kazakhstan or remotely.

Blockchain Developer (Haskell/Scala)

We are looking for a motivated Blockchain developer with experience in Haskell/Scala who is willing to learn DAML.

Responsibilities:

Design, develop, implement, and maintain Canton-based applications using Daml.
Conduct software analysis, programming, testing, and debugging in a Daml-based platform.
Translate client requirements into technical specifications and develop Daml smart contracts to meet these requirements.
Identify and resolve production and non-production application issues.
Develop documentation throughout the software development lifecycle.
Mentor and guide other team members, fostering a collaborative and learning-oriented development environment.

Must have:

Master’s/Bachelor’s Degree in Computer Science or related field.
5+ years of software engineering experience, with a strong background in programming languages (e.g., Scala or Haskell).
English level - Upper-intermediate and higher.
Strong understanding of distributed ledger technologies and their applications within the financial sector.
Proficiency in relational database management systems and APIs.
Familiarity with Public Key Infrastructure (PKI) and message queuing systems.
Experience using REST and GRPC for system integration.

Nice to Have:

2+ years of hands-on experience with Daml or similar smart contract languages.
Good understanding of Canton public and private networks.
Experience with functional programming.
Knowledge of other blockchain protocols (EVM-based).

Soft skills:

Passion for problem-solving and eagerness to learn about emerging technologies in the distributed ledger space.
Strong communication skills for interacting with both technical and non-technical audiences.
Ability to collaborate and be an effective team player.
Self-motivated with excellent time management and task ownership.
Adaptability to dynamic and evolving environments.
Excellent written and oral communication skills.

We guarantee:

Excellent compensation and benefits package including medical insurance and sports activities.
International experience in a stable company: the company has offices in Antwerp, Lisbon, Krakow, Kyiv, New York and operates on the market for over 15 years.
Passionate team in an innovative casual, positive, and open work environment ready to meet your new ideas.
Great opportunities for personal and professional development as well as the chance to change the way the business works in the financial world.

Join us to make an impact on the entire financial world!

ML Engineer / Data Scientist

We’re looking for ML Engineer/Data Scientist to join us and drive our machine learning and data science initiatives even further.

What You Will Do

Take ownership of your models, guiding them from initial research to full deployment in production, and ensuring they continue to deliver value over time.
Build and improve models to predict customer revenue and lifetime value (LTV) for mobile apps, helping our customers make better business decisions.
Providing benchmarks for customer metrics, including Install-to-Trial conversions, Install-to-Paid conversions, and LTV compared to industry standards.
Make A/B testing smarter by developing tools that identify winning strategies faster and with less data.
Create models that design highly effective paywalls tailored to each app’s category and audience, optimizing pricing, layout, and content.
Use data to uncover actionable insights, such as identifying where a small price adjustment could significantly boost revenue.

What We Expect

Strong Analytical Foundation: You have a solid grasp of math, statistics, and probability theory.
Machine Learning Expertise: You know how to build both interpretable and advanced black-box machine learning models, and you’ve put them into production before.
Revenue-Focused Experience: You’ve worked on predictive models for metrics like revenue and LTV, and you understand the challenges in these areas.
End-to-End Ownership: You’re comfortable taking a model from an idea to a live, production-ready system—and keeping it running smoothly.
Product-based Approach: You focus on results that make a difference for users, driving value with every project you take on.

What We Offer

Flexible Remote Work: Work from anywhere with a schedule that fits your life. While our core team operates in Europe, we welcome global candidates via deel.com.
Perfect Product Fit: Promote a product that aligns seamlessly with market needs, making your work impactful and fulfilling.
Direct Communication: A transparent and efficient work environment focused on achieving goals.
Fast-Track Impact: Receive clear, market-driven feedback on your work as we expand into the US and beyond.
Additional Benefits: Enjoy perks like free English lessons, sports and laptop reimbursements, and ample opportunities for professional growth.

Join Adapty and help shape the future of mobile app monetization through cutting-edge machine learning and data science solutions!

Senior Software Engineer

Our mission is to enable healthcare organizations to focus on providing care, rather than spending time on collections and tedious administrative tasks. At the same time we see this being possible only by providing financial transparency for patient and a modern patient experience from check-in to getting a bill.

We’re Y Combinator alumni and have raised last year $29M from Sapphire Ventures to expand the product and accelerate growth from a healthy bottom line with hundreds of clients.

Job description

As a Senior Software Engineer, you will be part of the talented team building the core Collectly product, powered by Python backend and React front end.
We are a hybrid company, partly based in Santa Monica, USA and partly remote spread out around the United States & Europe.

As a member of the engineering team, you will:

Collaborate with the founder, PMs, designers, and other engineers to navigate trade-offs and build a world-class product.
Work with urgency to build critical features with a keen attention to detail and high-quality maintainable code.
Completely own your features end-to-end, from product requirements, code, testing, observability, rollout and maintenance.

Must-haves

At least 5 years experience building complex web apps.
A passion for building and delivering exceptional products.
The ability to navigate a fast-paced work environment.
A hard-working ethic to help build and grow a new startup.
Exceptional written and oral communication skills.

Nice-to-haves:

Experience with our technology stack:
Python
Flask
SQLAlchemy
PostgreSQL
Redis

$85,000 - $105,000 a year

Collectly is a tech-enabled patient billing platform that works as an add-on for your EHR/PM. Collectly accelerates and increases patient cash flow, streamlines post-service billing operations, and provides the best patient experience that works for all demographics.

Software Engineer (Data Sources Team)

Truv is transforming the financial data industry with a secure and real-time API platform for payroll account access. Our technology streamlines income and employment verification, direct deposit switching, and more—eliminating outdated processes and unlocking greater financial opportunities. Backed by $30M from top investors like Kleiner Perkins and NYCA, we’re disrupting a $2B legacy market with cutting-edge innovation and a customer-first approach. Our leadership team brings expertise from industry giants like Apple, Carta, Venmo, MX, and Okta, driving the future of financial data access.

What you’ll do

Design, implement, and test cloud-based server-side code in Python
Use best practices for optimized code performance
Write and maintain unit/integration tests

Who You Are

Strong knowledge of Python
3+ years of experience
Knowledge in DevOps / AWS / Containerization tools such as Docker.
Working experience with CI/CD

Preferred skills

Experience in reverse engineering public APIs
Experience with PostgreSQL
Understanding of Django ORM/DRF
Strong background in network protocols
Good knowledge of web and mobile technologies

Benefits

Fully remote
Competitive salary and equity package
Flexible time off
Work with cutting-edge technology and innovative customers
Opportunity to shape the future of financial data access

We are currently looking for a Senior Devops.

Tech Stack:

On-premises and Clouds (AWS)
Kubernetes, Docker, Helm
Terraform, Ansible
Jenkins
MongoDB, Clickhouse, PostgreSQL, Redis, Kafka
Prometheus, Grafana, victoriametrics, ELK
jira, confluence, bitbucket

What will you do:

Work closely with functional teams to create a fault-tolerant and scalable system;
Develop and maintain various services and tools for colleagues and users.

What would make you a great fit:

3+ years of experience in a similar position;
Experience with Docker, Kubernetes;
Ability to program in one of the programming languages: Python, Bash, PHP, Go;
Experience with Ansible;
Experience with AWS or other cloud solutions;
Experience with KVM;
Problem-solving skills;
Good communication skills;
Hypertrophied sense of responsibility.

A huge plus would be:

Experience in database support (MongoDB, MySQL, PostgreSQL, Kafka, Redis);
Experience with Jenkins;
Experience with Helm;
Experience with CDN;
Experience in Unix/Linux system administration;
Broad knowledge of software and various third-party services;
Experience with Terraform;
Experience with CDN.

We offer:

Office in Limassol (Cyprus);
Relocation package and visa support, opportunity to become an EU citizen;
Health insurance and GYM Membership after probation;
External and internal trainings, budget for an individual development plan;
Child’s birth and birthday bonuses;
Monthly budget for team building and corporate events;
Free breakfasts and lunches with a wide choice of dishes, Friday evening corporate dinners.

Solutions Configuration Executive

We’re seeking a technically minded individual to help configure and integrate AI agent deployments for a range of clients. This role involves connecting various CRMs and marketing platforms to create powerful, seamless workflows. Your primary goal will be to remove technical barriers so that clients can focus on training, onboarding, and getting the most out of their new AI agents.

Working closely with our Customer Success Managers, you will methodically build and test integrations, ensuring every journey is flawless. Your efforts will deliver a high-trust launch experience with minimal friction, allowing clients to concentrate on their AI agent’s performance rather than technical hurdles.