Software Engineer @Kofuku Technologies · Building scalable backends & real-time systems · 📍 Kolkata, India

• 🔭   Currently building scalable Node.js + GraphQL backends at Kofuku Technologies
• ⚙️   Previously scaled a microservices SaaS platform at Shipsmith Group handling 10K+ API requests/day
• 🤖   Built a RAG-based document intelligence pipeline using OpenAI Whisper for transcription & translation
• ⚡   Reduced message delivery lag to under 100ms with WebSocket + Redis optimizations
• 🌱   Currently deep-diving into Spring Boot, Hibernate, and distributed systems
• 💬   Ask me about MERN, Java, Microservices, WebSockets, or DevOps

Languages

Backend & Frameworks

Frontend

Databases & Cloud/DevOps

WebSocket · Redis · Node.js · Next.js · gRPC (exploration)

• Scalable full-stack chat platform with cross-device messaging
• Sub-100ms message delivery with WebSocket + Redis session & queue management
• 50% scalability improvement under simulated stress tests with thousands of concurrent connections

Next.js · Node.js · Express.js · MongoDB · OpenAI API

• AI-powered movie recommendations based on user mood
• 60% increase in user engagement through personalized suggestions
• Google OAuth 2.0 integration + scalable REST APIs

Node.js · Express.js · MongoDB · Passport.js

• Secure auth supporting 150+ weekly new user registrations
• Nested comments & threaded replies with 35% backend efficiency improvement under high load

A techie with some humor — building things that scale ⚙️