Full-Stack Developer
Harsh Gupta
Full-Stack Developer experienced in scalable web applications, real-time systems, microservices, and cloud infrastructure. AWS Certified Cloud Practitioner focused on building efficient, production-grade applications.
28°40′N 77°27′E
FULL-STACK DEVELOPER
Harsh Gupta
Ghaziabad, India
Full-Stack Developer experienced in scalable web applications, real-time systems, microservices, and cloud infrastructure.
AWS Certified Cloud Practitioner focused on building efficient, production-grade applications.
Craft
Languages
Frontend
Backend
Cloud & DevOps
Databases & AI
System Design
Where I've
worked.
Click any card to expand the full story.
2025 — 2026
Next.js Developer Intern
Engineered scalable UI components and real-time features for codehurdle.com — a competitive programming platform serving hundreds of concurrent users.
- ▸Built scalable UI components using Next.js & TypeScript, improving page-load responsiveness by ~30%
- ▸Managed state with Zustand and React Query, cutting redundant API calls by ~40%
- ▸Delivered a real-time Virtual Coding Contest feature via WebSockets supporting 100+ concurrent participants with sub-100ms latency
- ▸Built responsive UI with Tailwind CSS boosting user retention by ~20%
2025 — 2026
Next.js Developer Intern
Engineered scalable UI components and real-time features for codehurdle.com — a competitive programming platform serving hundreds of concurrent users.
- ▸Built scalable UI components using Next.js & TypeScript, improving page-load responsiveness by ~30%
- ▸Managed state with Zustand and React Query, cutting redundant API calls by ~40%
- ▸Delivered a real-time Virtual Coding Contest feature via WebSockets supporting 100+ concurrent participants with sub-100ms latency
- ▸Built responsive UI with Tailwind CSS boosting user retention by ~20%
Want the full picture?
Download my résumé for a comprehensive view.
A selection of things I've built that I'm proud of.
ShopFlow
A production-grade 7-service microservices e-commerce platform with a custom API Gateway, event-driven order pipeline via RabbitMQ, Stripe integration with circuit breaker, and full AWS deployment.
SolveTracker
An AI-powered DSA learning platform with LeetCode auto-sync, Gemini 2.5 Flash 3-model fallback chain, Teacher Analytics Dashboard with topic heatmaps, and 70% reduction in AI API calls via signature-keyed caching.
Echo Chat
A horizontally scalable real-time chat app using Redis Pub/Sub fan-out behind Nginx with no sticky sessions, Redis Streams for message persistence, token-bucket rate limiting, and ~99% delivery reliability.
Want to see more?
All of my open-source work lives on GitHub.
Let's build
something.
Whether it's a job opportunity, a backend collaboration, or just a conversation about system design and scalable architecture — I'd love to hear from you.
Or reach me directly