MERN Stack Developer

3 days ago

Mumbai, India Exosphere Interactive LLP Full time

About the RoleWe 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 APIs2. Matchmaking APIs3. Battle APIs4. Leaderboard APIs5. Ranking & Progression APIs6. Rewards & Economy APIs7. Admin & Analytics APIs

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