Senior Java Backend

Rabbit Games aims to become the preferred co-development game studio for developers and publishers across the globe. Leveraging our extensive expertise in PC, mobile and console titles, we strive to co-develop some of the world’s leading gaming brands. Our international and diverse team endeavours to create gaming experiences that leave a lasting impact on players.

For which tasks (responsibilities)?

We are looking for an experienced Senior Java Backend. We're developing a mobile online shooter game built on Unity, requiring a robust and scalable backend infrastructure to support thousands of concurrent players, real-time matchmaking, and seamless gameplay experience across devices.

What kind of professional are we looking for?

 ·        Design and implement high-performance backend services for our mobile shooter

·        Develop and maintain critical game systems: matchmaking, leaderboards, player profiles, in-game purchases

·        Optimize system performance

·        Ensure backend security against cheating and exploits

·        Collaborate with Unity developers to integrate client-server solutions

·        Participate in code reviews and maintain high code quality standards

Requirements

·        7+ years of commercial Java development experience (Java 17+)

·        Strong knowledge of Spring Framework ecosystem (Spring Boot, Spring Cloud)

·        Experience with high-load distributed systems and microservices architecture

·        Proficiency in working with SQL and NoSQL databases (MongoDB, PostgreSQL, Redis)

·        Experience with concurrent and asynchronous programming in Java

·        Familiarity with CI/CD practices and containerization (Docker, Kubernetes)

·        Ability to write clean, maintainable, and well-tested code

·        Strong problem-solving skills and attention to detail

·        English: B2 or higher

Nice to Have

·        Experience with Kotlin and interest in gradual codebase migration

·        Knowledge of actor-based frameworks (Akka, Vert.x) for concurrent processing

·        Familiarity with game server architecture and online gaming challenges

·        Experience with WebSockets

·        Understanding of game development principles

·        Experience with cloud platforms (AWS, Azure, GCP)

·        Knowledge of authentication and authorization mechanisms

What are the conditions and bonuses?

• A chance to work on an ambitious and successful project with significant impact.

• Competitive salary and performance-based bonuses.

• Opportunities for professional growth and development.

• Flexible schedule and remote work options.

• A friendly and collaborative environment within an international team.