Senior Full Stack Games Engineer (Remote)

over99 Ltd.; Berlin; Remote; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Competitive salary

Remote-first

Generous holidays

Flexible time off

Performance bonus

Job summary

over99 Ltd. is redefining crypto gaming with fast, secure, real-time experiences built on cutting-edge blockchain tech. We’re seeking a Senior Full Stack Games Engineer to design, develop, and optimize high-performance front-ends (PixiJS and React) and scalable back-end services (Node.js).

This remote-first role demands ownership, leadership, and collaboration with cross-functional teams to deliver innovative gaming experiences, low-latency networking, and robust CI/CD pipelines.

Qualifications

• 7+ years in software engineering with game or interactive apps.
• Expertise in PixiJS and/or React for high-performance front-ends.
• Proficiency with Node.js and real-time back-end services.
• Experience with Postgres and client-server architectures.
• Strong understanding of performance optimization and rendering pipelines.
• Experience with CI/CD pipelines and modern workflows.

Responsibilities

• Lead design, development, and optimization of web-based game experiences using PixiJS and React.
• Architect scalable back-end services with real-time features (WebSockets, multiplayer).
• Collaborate with product, design, and backend teams to translate concepts into interactive experiences.
• Optimize client-server communication for low-latency gameplay.
• Apply game development best practices for performance and maintainability.
• Build and maintain automated CI/CD pipelines for rapid deployment.
• Contribute to technical strategy and mentoring of junior engineers.

Skills

PixiJS

React

Node.js

PostgreSQL

WebSockets

CI/CD pipelines

Performance optimization

Job description

We’re redefining what’s possible in crypto gaming. Our mission is simple: deliver a lightning-fast, seamless, and secure gaming experience powered by cutting-edge blockchain technologies. We're building the most advanced crypto casino platform in the world—and we’re just getting started.

We're looking for a Senior Full Stack Games Engineer with strong expertise in building interactive, real-time gaming experiences using modern web technologies. This is a hands-on role where you’ll design, develop, and optimize high-performance game front-ends (PixiJS and React) and scalable back-end services (Node.js). You’ll play a key role in shaping our game architecture, improving performance and player experience, and collaborating with cross-functional teams to deliver innovative, next-generation gaming experiences. This is a fully remote role. We value autonomy, trust, and flexibility—and expect you to bring energy, ownership, and leadership wherever you work.

What You’ll Be Doing

• Lead the design, development, and optimization of web-based game experiences using PixiJS and React for high-performance rendering
• Architect and implement scalable back-end services using Node.js, integrating real-time gameplay features such as multiplayer, leaderboards, and in-game events
• Collaborate with product, design, and backend teams to translate game concepts into performant, interactive experiences
• Optimize client-server communication (e.g., WebSockets, REST APIs) to ensure seamless, low-latency gameplay
• Apply game development best practices to improve performance, scalability, and maintainability across multiple projects
• Build and maintain automated CI/CD pipelines to enable rapid, reliable deployment of game features and updates
• Contribute to technical strategy, code reviews, and mentoring of junior engineers

Technologies You’ll Work With

Core Infrastructure:

• React
• PixiJS
• NodeJS
• Typescript
• PostgreSQL
• Redis
• RabbitMQ

Bonus Skills (Nice to Have Experience With):

• Datadog
• AWS
• CI/CD Pipelines

What We’re Looking For:

Must-Haves:

• 7+ years of professional software engineering experience, with a focus on game or interactive application development
• Strong expertise in PixiJS (or other HTML5/WebGL frameworks) and/or React for high-performance front-end experiences
• Proficiency with Node.js and building scalable back-end services, including real-time systems (WebSockets, multiplayer sync)
• Experience with Databases, ideally Postgres
• Solid understanding of performance optimization, rendering pipelines, and client-server architecture
• Experience with CI/CD pipelines and modern development workflows

Nice-to-Have:

• Background in crypto or iGaming
• Background in multiplayer gaming, gambling, or iGaming platforms
• Familiarity with game networking protocols, animations, and physics engines
• Experience leading technical initiatives or mentoring engineers
• Knowledge of cloud deployment (AWS) and containerized environments (Docker, Kubernetes, ECS)

Why Join over99.com?

• Be part of a fast-growing and well-funded start-up at the intersection of gaming and blockchain
• Work with a world-class engineering team—collaborative, autonomous, and impact-driven
• Build next-generation systems with full ownership over architecture and implementation
• Remote-first culture with flexible hours, asynchronous communication, and no micromanagement
• A product and mission you’ll actually be excited about

What You’ll Get:

Why join us?

• Competitive Salary – We pay top-of-market for top-tier talent
• Remote-First Work Environment – Work from anywhere, collaborate globally
• Generous Holiday Allowance – Take the time you need to rest and recharge
• Flexible Time Off & Hours – We focus on output, not clocking in
• Performance-Related Bonus – We reward real impact. Hit goals, share the upside

Ready to Build with Us?

We’re creating something bold and different—and we want the best minds to help us do it. If you're passionate about infrastructure, performance, and pushing tech boundaries, let’s build the future of crypto gaming together.