Building web & mobile
apps that hold up
in production.
I build scalable web & mobile apps — from database to deploy. I'm Sanjay D, a software developer based in Chennai.
About
I'm a software developer at Code Neptune, building scalable web and mobile applications across the MERN and PERN stacks. I work on modular NestJS microservices on the backend and responsive React, Next.js, and React Native interfaces on the frontend — plus RAG pipelines and vector databases for AI/LLM-powered features. I care about clean architecture and shipping things that actually work in production, and I'm looking to grow deeper into backend and distributed system design.
Experience
Software Developer
- Designed and built a full-featured e-commerce microservice end-to-end using Node.js and NestJS — covering product catalog, cart, and order flows via REST APIs — and deployed it to production following clean architecture principles.
- Developed and shipped customer-facing web and mobile experiences (React, Next.js, React Native) with an integrated customer dashboard, used in a live e-commerce product.
- Handled data modeling across MongoDB and MySQL, choosing the right database per service based on data structure and access patterns.
- Built RAG (Retrieval-Augmented Generation) pipelines integrated with vector databases to power AI/LLM-driven features.
Full Stack Developer
- Ramped up on the MERN stack, shipping early features for the e-commerce platform across both frontend and backend.
Education
Hindustan University
Kendriya Vidyalaya
Skills & tools
Languages
Frontend
Backend
Databases
AI / LLM
DevOps & Cloud
Tools & Deployment
Selected work
View all projects
Snip: URL Shortener
A full-stack URL shortener with link management and analytics.
A complete link management system with flexible creation and lifecycle controls, detailed engagement analytics, and API key support.
Blog App
A full MERN publishing platform with auth and image uploads.
A production-shaped publishing app with secure auth, persistent sessions, and a clean writing and reading experience across devices.
Trendy Tales
An e-commerce frontend with cart, filters, and search.
A polished, interactive storefront experience that demonstrates frontend architecture without needing a live backend.
Certifications
Let's work together
Have a project in mind, or an opening on your team? I'd like to hear about it.