Back End Developer

What Youll Do

• Build, maintain, and optimize Node.js + Express backend services
• Design and develop scalable REST APIs
• Design and manage MongoDB / Mongoose schemas
• Build and maintain WebSocket / Socket.io based real-time features
• Integrate and maintain payment gateways such as Razorpay, Cashfree, PhonePe, or similar providers
• Build reliable transaction, wallet, ledger, and payout-related backend flows
• Work with Redis for caching, queues, and background processing
• Monitor production servers, logs, application health, and system performance
• Set up alerts and help respond to production incidents
• Identify performance bottlenecks and optimize APIs, databases, and backend services
• Manage deployments and basic production infrastructure
• Improve backend reliability, scalability, security, and error handling
• Debug and resolve production issues independently
• Work closely with frontend and product teams to ship features end-to-end