Full Stack Developer | Java Spring Boot Expert

Anupam Kushwaha — Building scalable end-to-end applications with Java Spring Boot backends and React TypeScript frontends. Specialized in RESTful APIs, database design, and modern UI development with clean architecture.
Anupam Kushwaha - Code Quality

Core Tech Stack

Technologies I work with daily

Java
Spring Boot
React
TypeScript
Node.js
MySQL
PostgreSQL
MongoDB
Git
Docker
API Testing in Postman
API Reliability

Rigorous API Testing & Validation

I don't just write code; I verify it. Using industrial-grade tools like Postman, I systematically test endpoints, validate JSON schemas, and ensure correct status codes and error handling.

Comprehensive Test Coverage

Testing for success, edge cases, and failure scenarios.

Response Validation

Ensuring precise JSON structures and HTTP headers.

Featured Projects

Full-stack applications and backend systems

PinnacleWear.shop

98 performance, 100% SEO, 97% image reduction

Enterprise-grade e-commerce platform built with MERN stack featuring event-driven architecture, Docker containerization, and CI/CD pipeline. Achieved 98 Lighthouse performance (desktop), 100% SEO score, and optimized images by 97% (10.5 MB → 290 KB). Integrated 4 production APIs: Razorpay payments, Printrove print-on-demand, Twilio OTP, and Telegram bot notifications.

Tech Stack

React 19TypeScriptNode.jsExpressMongoDBDockerAzureGitHub Actions

Spring Boot REST API with JWT Authentication

76% productivity gain (AI-assisted)

Secure Spring Boot REST API built entirely with GitHub Copilot CLI for a Dev.to community challenge. Demonstrates AI-driven development workflow—leveraging Copilot CLI from initial scaffolding through complete implementation, generating layered architecture, implementing JWT authentication with Spring Security, and systematically debugging 403 errors. Achieved 76% productivity gain (8.5 hours → 2 hours) through iterative AI-assisted code generation.

Tech Stack

Spring Boot 3.2.0Spring SecurityJWTPostgreSQLH2MavenJava 17Copilot CLI

Latest Articles

Insights on backend development and system architecture

2026-02-22
8 min read

How I Accidentally Left My E-Commerce Checkout Vulnerable to ₹1 Hacks (And Then Crashed Production)

Why trusting the frontend with checkout pricing and trusting cloud environments with SDKs will break your application. Learn how a ₹2,000 hoodie could be purchased for ₹1 and how an SDK brought down production.

E-CommerceSecurityRazorpay+6
Read Article
2026-02-20
10 min read

When Azure Auto-Generated My Workflow File: A DevOps Migration Story

Migrating from manual Docker builds to automated CI/CD on Azure, I hit deployment chaos when Azure auto-generated a workflow file that conflicted with my manual setup. Here’s how I debugged, merged, and achieved seamless automation.

AzureDevOpsGitHub Actions+4
Read Article

How I Build Full Stack Applications

End-to-end development approach and technical expertise

Full Stack Architecture

End-to-end applications with Java Spring Boot and React TypeScript

RESTful API Design

Creating well-structured APIs following REST principles

Modern Frontend Development

Responsive interfaces with React, TypeScript, and modern tooling

Database Design & Optimization

Working with MySQL, PostgreSQL, MongoDB, and Hibernate/JPA

Clean Code & Architecture

Maintainable codebases with proper design patterns

LLM-Enhanced Development

Leveraging LLMs for code optimization and rapid prototyping

Key Highlights

Academic background and achievements

B.Tech CSE

Computer Science & Engineering

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6 Full Stack Projects

Frontend, backend, and end-to-end systems

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Certifications

Java, Backend Development & more

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Interested in Working Together?

I'm open to full-stack development opportunities where I can contribute to building scalable end-to-end applications.