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[3 Days Left] MERN Stack Developer

[3 Days Left] MERN Stack Developer

Exosphere Interactive LLPMumbai, Maharashtra, India
19 hours ago
Job description

About the Role

We are seeking a talented MERN Stack Developer to architect and implement the backend infrastructure and APIs for a mobile multiplayer game. The focus will be on building real-time battling systems, matchmaking logic, and leaderboard functionality. You will be responsible for designing, coding, and optimizing APIs that ensure smooth player-versus-player (PvP) experiences, persistent progression tracking, and global ranking systems.

Key Responsibilities

  • Develop and maintain RESTful and GraphQL APIs for multiplayer gameplay.
  • Build real-time matchmaking and battle synchronization APIs using Node.js, Express, and Socket.io / WebSockets.
  • Design and implement leaderboard APIs (global, regional, seasonal, friend-based).
  • Manage player data persistence in MongoDB, including :
  • Player profiles, teams, rosters
  • Match history and battle outcomes
  • Ranking and progression data
  • Ensure low-latency communication between clients and server during battles.
  • Create secure authentication and authorization APIs (JWT / OAuth2).
  • Implement reward APIs tied to battle outcomes and leaderboard positions.
  • Develop admin APIs for monitoring, analytics, and game balancing.
  • Write detailed API documentation for mobile team integration.
  • Monitor, scale, and optimize backend systems for high concurrent player loads.

Required Skills & Qualifications

  • Strong knowledge of JavaScript / TypeScript.
  • Hands-on expertise in MERN stack (MongoDB, Express, React / React Native, Node.js).
  • Proven experience with Socket.io / WebSockets for real-time communication.
  • Experience in designing scalable RESTful / GraphQL APIs.
  • Understanding of game mechanics and multiplayer server architecture.
  • Proficiency in MongoDB schema design and performance optimization.
  • Strong grasp of security practices (rate limiting, API throttling, data validation, encryption).
  • Familiarity with load balancing and cloud deployment (AWS, GCP, or Azure).
  • Preferred (Nice to Have)

  • Experience with Elo / MMR ranking algorithms or custom matchmaking logic.
  • Familiarity with microservices architecture and Docker / Kubernetes.
  • Knowledge of reward systems, battle pass integrations, and seasonal events.
  • Prior work on real-time multiplayer mobile games.
  • Here’s a comprehensive list of APIs the developer would be expected to build for such a game

    1. Authentication & Player Profile APIs

    2. Matchmaking APIs

    3. Battle APIs

    4. Leaderboard APIs

    5. Ranking & Progression APIs

    6. Rewards & Economy APIs

  • 7. Admin & Analytics APIs
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    Mern Stack Developer • Mumbai, Maharashtra, India

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