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Senior BackEnd Engineer || Node || India

India

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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You are designing a backend system for a real-time slot or table game handling thousands of concurrent players. Which of the following approaches would you consider appropriate? (Select all that apply) *
When implementing an RNG-based game engine (e.g., slots or roulette), which of the following considerations are important? (Select all that apply) *