Hello, I am Pritam Ghosh
Senior Full Stack Engineer
Senior Full Stack Engineer with 5+ years shipping production systems at scale — including a GenAI chatbot with custom embedding-based retrieval at Nykaa.
Currently
Software Engineer II @ Nykaa
GenAI · SuperStore · LangGraph
Working area
What I build
Full-stack products with performance, accessibility, and SEO treated as core requirements — not afterthoughts.
Web Application Development
Full-stack web applications with Next.js, React, and Tailwind CSS—from authenticated dashboards to public sites—with performance, accessibil…
Backend Development
Constructing a robust backend using Node.js, Express, and TypeScript. Ensuring seamless data management with databases like MySQL, Postgres,…
AI Integration
Ship production-ready GenAI features: conversational chatbots, embedding-based retrieval pipelines, and LangGraph-orchestrated workflows int…
Automation Testing
Implementing automation testing with tools like Puppeteer and Selenium. This ensures high-quality, bug-free applications by automating repet…
CLI Tools Development
Developing CLI tools to facilitate quick actions and streamline development processes. These tools are designed to enhance productivity and …
Cloud hosting, deployment & CI/CD
Design and automate CI/CD pipelines and cloud deployment on AWS, Azure, or GCP — from build to production rollouts with sensible guardrails.…
My Portfolio
Selected work
Case studies from e-commerce, SaaS, and high-traffic content platforms.
Tech Notes
Latest writing
Practical notes on engineering, GenAI, testing, and deployment.
Building a GenAI Chatbot Without a Vector Database: LangGraph + JSON Embeddings at Nykaa
A production engineering note on building a LangGraph-based GenAI chatbot with custom JSON embedding retrieval, semantic matching, and Jest coverage without a dedicated vector database.
Clean Code
Clean code can be read and enhanced by a developer other than its original author. With understandability comes readability, changeability, extensibility and maintainability.
The Best of the Best Practices (BOBP) Guide for Python
A "Best of the Best Practices" (BOBP) guide to developing in Python.
Tools
Browser utilities
Small tools I built for everyday tasks. Everything runs client-side.
Font File Downloader
Download font files with modified CSS file. Helpful for self-hosting fonts.
Text Editor
A simple text editor without formatting options. Write and edit plain text easily.
Gold & Silver Price Calculator
Calculate the price of gold and silver based on weight and current market rates.
Attendance Tracker
Track attendance and manage records efficiently.
Let's build something remarkable
Open to senior engineering roles, consulting, and product work where ownership and craft matter.