Full Stack Engineer

Position : Full Stack SDE-II

Own services end-to-end across i3w's consumer products — a study-notes product, a voiceAI tutor, and a problem-solving tool. You'll ship across the stack: Node.js/PostgreSQL on thebackend, React on the web. Young codebase, real traffic, room to shape it right.

KEY RESPONSIBILITIES

Own backend services: REST APIs, content delivery, Razorpay webhooks, subscriptionstate

Design and optimize PostgreSQL schemas — queries that perform, not just work

Ship web features across consumer products in React

Support the real-time layer: WebSocket session handling, AI service integration

Set up monitoring and alerting for production services — you own what you ship

REQUIRED SKILLS

• 4+ years of professional full-stack experience
• Strong Node.js backend in production
• Strong React on the frontend — clean, reusable components
• PostgreSQL: schema design, query optimization, indexing, transactions
• GCP or comparable cloud (Cloud Run, Cloud SQL, Pub/Sub)
• Payment gateway integrations (Razorpay, Stripe, or similar)

NICE TO HAVE

• WebSockets / WebRTC for real-time services
• LLM API integrations (Gemini, Claude, OpenAI) from backend or frontend
• Indian payment flows: UPI, Razorpay subscriptions, GST compliance
• AI coding tools (Claude Code, Copilot, Cursor) in daily workflow

LOCATION : Noida

Compensation : Competative