Pritam GhoshFull-Stack & AI Engineer
Software Engineer II @ Nykaa — SuperStore & GenAI
I help teams ship fast, reliable products across the stack — from React and Next.js frontends to Node.js and Go services, and production LLM/RAG systems on LangGraph. Five years turning ambiguous problems into software that scales.
- TypeScript
- Next.js
- Node.js
- Go
- LangGraph
- PostgreSQL
- AWS
- Years shipping production
- 5+Years shipping production
- Daily users served
- 500K+Daily users served
- Unit-test coverage
- 95%+Unit-test coverage
- Uptime at scale
- 99.9%Uptime at scale
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Next.js & React
Production frontend framework for high-traffic commerce and dashboard platforms.
- Spearheaded Nykaa's SuperStore UI revamp with modern layouts, optimized hydration, and modular code.
- Achieved 95%+ unit-test coverage on critical checkout and catalog pages using Jest and React Testing Library.
- Configured static site generation (SSG) and incremental static regeneration (ISR) to reduce TTFB to under 80ms.
Supporting Proof of Work (Tech Notes)
Selected work
Selected work
Case studies from e-commerce, SaaS, and high-traffic content platforms.
Featured case studyAI Engineering · System Design
B2B Retail GenAI Assistant
Case study: GenAI shopping assistant for a B2B retail platform—LangGraph, JSON embeddings for RAG without a vector DB, built for commerce scale.
E-Commerce Platform
Gram Bahar
Gram Bahar: E-commerce hub with customer-friendly site & admin panel for seamless product management, orders, payments, and tracking.
Hugo static site
Psicologo Scolastico
Hugo + Tailwind marketing site for a school psychologist: services, credentials, and contact in Italian.
Next.js + Hugo static site
Easy Quizzz
European platform that collects and publishes public quizzes across subjects through a web simulator and mobile experience.
Experience
Where I've shipped
Five years across high-traffic commerce, SaaS, and applied AI — each role with measurable outcomes, not just responsibilities.
Software Engineer - II · Nykaa E-Retail Limited
January 2026 – Present
Bengaluru, Karnataka, India · Onsite
Architected and shipped a production GenAI chatbot using LangGraph with a custom embedding-based retrieval pipeline—converting product catalogue data into structured JSON embeddings for lightweight semantic search, integrated with Nykaa's commerce flows.
Senior Full-stack Developer · Kaamwork Technologies Private Limited
October 2024 – December 2025
Bengaluru, Karnataka, India · Onsite
Improved system efficiency by ~18% by building Next.js and Nest.js applications with PostgreSQL and Prisma through optimized API endpoints.
Senior Front-end Web Developer · Services & Consulting Force SRL
February 2021 – October 2024
Rome, Italy · Remote
Reached ~99.9% uptime for 500k+ daily users via a Next.js and Hugo hybrid front-end with Node.js.
Writing & code
Deep-dives and open source
How I think about engineering — architecture write-ups, tech notes, and public code.
Hybrid Retrieval and Cross-Encoder Reranking for RAG
How to combine BM25 keyword search with dense vector embeddings and cross-encoder reranking for reliable production RAG systems.
Type-Safe LLM Outputs with Zod and JSON Schema
Bypass fragile prompt engineering with runtime-checked, schema-constrained LLM outputs in production TypeScript pipelines.
Building a GenAI Chatbot Without a Vector DB
How we built a production LangGraph GenAI chatbot with JSON embeddings and semantic retrieval, achieving 95% Jest coverage without a vector database.
Tools
Browser utilities
Small tools I built for everyday tasks. Everything runs client-side.
FAQ
Frequently asked
Quick answers for recruiters, founders, and anyone evaluating a collaboration.
Who is Pritam Ghosh?
Pritam Ghosh is a Full-Stack & AI Engineer based in Bangalore, India, with 5+ years of experience shipping production systems. He currently works as a Software Engineer II at Nykaa on SuperStore engineering and Generative AI, and builds with TypeScript, Next.js, Node.js, Go, LangGraph, PostgreSQL, and AWS.
What does Pritam Ghosh do?
He designs and builds full-stack web applications and AI/LLM products end to end — from React/Next.js frontends to Node.js, Nest.js, and Go backends and microservices — with performance, accessibility, and SEO as core requirements. Recent work includes a production GenAI (RAG) chatbot on LangGraph with custom embedding-based retrieval.
What roles is Pritam looking for?
Senior / Staff Full-Stack or AI Engineer roles — based in Bangalore but open to remote, hybrid, or relocation. He's interested in product and platform teams where ownership, scale, and engineering craft matter. The fastest way to reach him is the contact page, email, or WhatsApp.
What technologies does Pritam specialize in?
TypeScript, Next.js, React, Node.js/Nest.js, Go, Generative AI / LLM / RAG with LangGraph, PostgreSQL, REST APIs and microservices, Docker, Kubernetes, and AWS — with a strong focus on system design, testing, and web performance.
Hiring, or building something ambitious?
I'm open to senior full-stack and AI engineering roles and high-ownership product work. Tell me what you're building — I usually reply within a day.