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.