Java backend consultant modernizing client applications and cloud systems. VO2 Group delivers tech, digital, data and AI consulting for global brands.
About the role
- Java Developer developing complex game features for a football manager simulation game at iLogos Game Studios. Working remotely with a focus on performance engineering and collaboration with designers.
Responsibilities
- End-to-end responsibility for developing and implementing complex game features (meta-game, economy, social mechanics)
- Optimize and maintain high-performance server-side logic within the SFS2X and Hazelcast ecosystem
- Designing robust Protobuf-based APIs and handling complex state synchronization between distributed services
- Advanced work with PostgreSQL for managing persistent game data and user profiles
- Working closely with game designers to translate gameplay ideas into scalable technical solutions
- Writing clean, maintainable code and participating in rigorous peer reviews
Requirements
- 4+ years of experience in Java development (Java 17+ preferred)
- Deep knowledge with cache platforms like Redis or Hazelcast for distributed data structures and computing
- Deep understanding of multithreading, concurrency models, and memory management
- Familiarity with Java Loom/Couroutine is a plus
- Experience building CQRS or event-driven systems using Protobuf and gRPC for efficient inter-service communication
- Strong knowledge of PostgreSQL (optimization, schema design)
- Experience in building ETL pipelines for game analytics or state synchronization
- Experience with SmartFoxServer 2X (SFS2X) extension development and API is nice to have
- Experience with GitLab CI/CD and automated build processes is nice to have
- Understanding of AB-testing mechanics and feature-flagging in a production environment is nice to have
- Experience with Game Economy systems (Rewards, Hard/Soft currency handling) is nice to have
Benefits
- Freedom of action
- Opportunity for growth
- Support from teammates and the company
- Work remotely from anywhere in the world on your own schedule
- Flexible working hours
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