Headline

Full Stack Engineer | React Native | Next.js | Node.js | GraphQL

About

I build full-stack systems that run at scale — from the database schema to the pixel on screen. In 3+ years I've architected admin platforms, real-time commerce apps, and distributed backends now handling 10,000+ transactions a week. At Buncha Technologies, I owned end-to-end product development: designing systems, shipping mobile apps to production, and building the internal tooling that kept operations running. I didn't just write code — I made decisions that moved metrics. Impact I'm proud of: → Architected a unified Admin Portal (Next.js, GraphQL, Node.js microservices) — boosted operational efficiency 40% → Took the shopper app from concept to store rollout — React Native, Node.js, Firebase, WebSocket-driven live order tracking → Cut release friction 70% by building CodePush OTA pipelines → Standardised reusable component libraries, cutting feature delivery time 25% Outside of work I build my own products. Shadow Toolkit is a 100%-in-browser developer platform — 175 tools, zero server uploads, built on WebAssembly and Canvas 2D. Instasave is a distributed video pipeline handling chunked recording, signed cloud uploads, and async BullMQ/FFmpeg processing. Stack: TypeScript, React, Next.js, Node.js, NestJS, GraphQL, PostgreSQL, Redis, BullMQ, Cloudflare Workers, AWS, Docker. I like owning problems end-to-end — from API design to production deployment — and I'm equally comfortable in early-stage ambiguity or structured teams that value velocity and quality. Open to Senior / Staff Full Stack roles at product-led startups or remote-first teams building something meaningful. 📩 tanmoy@shadow.net.in

Location

Jamshedpur

AI stack

claude code

claude

codex

cursor

gemini

ollama

Work experience

Software Engineer 2 at Buncha, Nov 2023 - Apr 2026 · 2 yrs 6 mos, Remote, Architected and built scalable Admin Portal (Next.js + GraphQL) for delivery, catalogue, hiring, and support ops — improving operational efficiency by 40%. Designed and developed GraphQL APIs with optimised query strategies, reducing over-fetching and API latency across services. Implemented SSR, ISR, and optimised Next.js routing; standardised reusable component libraries cutting feature dev time by 25%

Software Developer at Buncha, Nov 2022 - Oct 2023 · 1 yr, Remote, Owned full stack development of shopper & buyer apps — React Native frontend, Node.js/REST backend integrations, Firebase real-time data layer, and WebSocket-driven order workflows. Built native modules in Objective-C and Java for performance-critical features; managed zero-downtime iOS/Android production releases. Reduced release friction by 70% via CodePush OTA; improved UI performance by 30% through memoisation and boosted engagement by 25% via Firebase push notification flows.

Software Engineer - Trainee at Buncha, May 2022 - Nov 2022 · 7 mos

Software Intern at HighRadius, Aug 2021 - Apr 2022 · 9 mos

Software Engineer Intern at HighRadius, Aug 2021 - Apr 2022 · 9 mos, •​ Built client onboarding tools reducing manual effort by 30%; contributed to B2B invoice management with REST API integrations.

Education

Bachelor of Technology - BTech, Computer Science, GIET University Gunupur

Public links

portfolio.shadow.net.in: https://portfolio.shadow.net.in/