Design and implement backend game engine and RNG systems for slots and table games. Build deterministic, auditable, high-concurrency real-time gameplay systems, manage bet lifecycle, integrate wallets/transactions, optimize performance, and develop simulation/test systems for RTP validation while collaborating with frontend and game client teams.
Job Title: Senior Backend Engineer (Node.js) – Game Engine / RNG Systems
Location: On-site
Experience: 5–10 years
Employment Type: Full-time
Summary: Join our dynamic team at Kerma Games as a Senior Backend Engineer, where you'll focus on developing robust game engine and RNG systems for in-house slot and live table games. This role emphasizes system design, performance, and reliability in a high-concurrency environment, offering opportunities for growth and impact in a real-money gaming context.
Responsibilities:
- Design and develop game engine logic for slots and table games.
- Work on RNG systems, ensuring fairness and determinism.
- Build deterministic and auditable systems for real-time gameplay.
- Develop and manage real-time gameplay systems, including game loops and state management.
- Oversee the bet lifecycle from placement through outcome to payout.
- Integrate and improve wallet and transaction systems.
- Enhance the performance of high-concurrency, low-latency systems.
- Collaborate with frontend and game client teams.
- Develop simulation and testing systems for RTP validation.
Required Qualifications:
- Strong experience with Node.js backend development.
- Experience with event-driven or real-time systems.
- Understanding of asynchronous programming.
- Familiarity with high-concurrency or performance-critical systems.
- Basic understanding of probability, logic systems, or simulations.
- Experience with databases and caching systems, preferably Redis.
Preferred Experience:
- Experience in gaming, iGaming, or similar domains.
- Exposure to RNG, simulations, or state machines.
- Familiarity with cloud platforms and containerised environments.
Growth and Learning Emphasis:
- Opportunity to work on game engine systems and real-time architectures.
- Exposure to RNG systems, probability models, and scalable backend design.
- Collaboration with cross-functional teams.
Benefits and Work Environment:
- Flexible working hours or remote options.
- Learning and development support.
- Health and wellness benefits.
- Inclusive and collaborative work culture.
- Clear growth and ownership opportunities.
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