Game Server Developer (Java / C#)

Job Title: Game Server Developer (Java / C#)
Location: Hungary - Remote / Sofia, Bulgaria - Hybrid / Poland - Remote
Employment Type: Full-time Employment
Division: Technology
Reports to: Game Server Development Team Lead
Why Playnetic?
Playnetic is an innovative and fast-growing player in the iGaming industry. We create cutting-edge casino games and technology that entertain millions of players worldwide, combining creativity, quality, and innovation at every step. Our gaming content is built around our core values: quality gaming, dedicated customer service, and reliable delivery to our partners.
With a global mindset, we’re committed to building engaging products and an inspiring workplace where teams can thrive.
Job Summary
We are looking for a Middle Java Game Server Developer to build and support backend services for real-money casino games. You will work on core server-side logic, game round processing, integrations, and performance improvements to ensure stable, secure, and scalable gameplay. This role is a great fit for an engineer who writes clean Java code, works well in cross-functional teams, and takes ownership from development through release.
Key Responsibilities:

- Implement and maintain game server logic based on product and math/design requirements.

- Build resilient, maintainable Java code for core backend services and APIs.

- Ensure correctness of game rounds, bonus flows, and server-side state transitions.

- Perform development verification, code reviews, and test coverage improvements.

- Fix bugs, optimize performance, and support production stability.

- Work according to Agile principles from planning to release (standups, grooming, retrospectives).

- Collaborate closely with client, product, QA, and platform teams.
Required Skills & Experience

- 3+ years of backend development experience with Java.

- Strong knowledge of Java Core, OOP, collections, and multithreading basics.

- Experience building and supporting REST APIs.

- Good understanding of SQL and transactional data handling.

- Familiarity with Git/GitLab, Maven, and CI/CD workflows.

- Strong English communication skills.

- Willingness to learn, curiosity, and ability to work with feedback.
Preferred Qualifications

- Experience in iGaming/casino games, fintech, or other high-reliability domains.

- Understanding of algorithms, design patterns, and SOLID principles.

- Experience with high-load backend services and performance tuning.

- Familiarity with observability/logging tools.

- Basic knowledge of TypeScript is a plus.
What we offer:

- Real Impact: We’re small enough that your voice is heard — your contributions directly shape how we build, and you’ll have real opportunities to make your mark.

- Autonomy & Ownership: We trust your expertise and give you the ownership to do your best work your way, with no micromanagement.

- Supportive Leadership & Flat Hierarchy: A collaborative, open environment led by accessible managers who prioritize mentorship, psychological safety, and removing blockers.

- Fast-Track Growth: As we scale, your career scales with us — we actively support professional development, training, and progression.

- Competitive Compensation: Competitive salary and extra holiday for well-being.