Available for Freelance

I Build Web
Experiences That Drive Results

Fullstack Developer with production experience in React, Node.js & TypeScript. I build scalable web apps, RESTful APIs, and e-commerce platforms that deliver real business results.

Find me on
Avnish Gupta

Hackathon Wins

3+

Clients Served

Govt + Private

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React
Next.js
TypeScript
Node.js
Express
Go
Python
PostgreSQL
MongoDB
Redis
Docker
AWS
Tailwind
Git
GraphQL
Prisma
React
Next.js
TypeScript
Node.js
Express
Go
Python
PostgreSQL
MongoDB
Redis
Docker
AWS
Tailwind
Git
GraphQL
Prisma

Portfolio

Selected Work

View all projects
OttiCamart.com
Featured
E-Commerce

OttiCamart.com

Full-Stack E-Commerce Platform

Production-grade full-stack e-commerce platform built as a freelance project. Features 12+ RESTful APIs, secure Razorpay payments, Redis caching, and an RBAC admin dashboard — deployed on AWS ECS.

12+ RESTful APIs (auth, product, cart, order, payment, search)
95% reduction in security vulnerabilities (JWT, secure cookies)
60% fewer database queries via Redis caching
45% faster page loads with optimization
Next.js
Express
PostgreSQL
Redis
GlobeTrotter
Web App
View Case Study →

GlobeTrotter

Smart Itinerary Planner

A comprehensive trip planning platform with 12 core features including itinerary builder, budget management, city/activity search, public trip sharing, and drag-and-drop reordering.

SHEILD AI
SaaS
View Case Study →

SHEILD AI

Secure Enterprise LLM Platform

HackCBS 8.0 Winner (1st place, MLH) — A secure LLM chat platform that masks PII before any AI call, enriches context via RAG over PDFs, and provides full audit trails with RBAC.

About Me

Building Digital Solutions
That Matter

Avnish Kumar

Avnish Kumar

Fullstack Developer · B.Tech AI & DS

📍 New Delhi, India

0+

Freelance Clients

0+

APIs Built

0

Govt. Projects

0+

Hackathon Wins

I'm a results-driven fullstack developer experienced in building scalable full-stack applications and RESTful APIs. I specialize in JavaScript, TypeScript, React, Next.js, and Express.js — delivering production-grade software that drives measurable business results.

I've built a full-stack e-commerce platform as a freelancer, delivered GIS applications for the Government of India that improved analyst efficiency by 40%, and won HackCBS 8.0 (1st place among 500+). I care deeply about security, clean architecture, and user experience.

How I Work

01

Discovery

Understanding your goals, users, and technical requirements.

02

Design & Build

Clean architecture with modern tech stack for scalability.

03

Deploy & Optimize

CI/CD pipelines, performance tuning, and monitoring.

04

Launch & Support

Go-live support and ongoing maintenance as needed.

Skills & Expertise

Technologies I Work With

Frontend Development

Responsive, performant user interfaces

React

3+ yrs

Next.js

2+ yrs

TypeScript

2+ yrs

Tailwind CSS

2+ yrs

Backend Engineering

Scalable APIs & microservices

Node.js

3+ yrs

Express

3+ yrs

Golang

1+ yr

Python

2+ yrs

GraphQL

1+ yr

Databases & Cloud

Storage, caching, and infrastructure

PostgreSQL

2+ yrs

MongoDB

3+ yrs

Redis

1+ yr

AWS

1+ yr

Docker

1+ yr

Git

3+ yrs

Get in Touch

Let's Work Together

Have a project in mind? I'd love to hear about it. Send me a message and I'll get back to you within 24 hours.

Available for Freelance

Currently accepting new projects. Let's discuss how I can help bring your idea to life.

Connect with me

Trusted by — Built OttiCamart.com (production e-commerce), GIS apps for the Government of India. SIH 2024 Finalist & HackCBS Winner.