SHUBHAM DUBEY

Software Developer

For business inquiries, email me at
shubhamkumar.dubey02@gmail.com

ABOUT ME

I am a backend software developer based in Kolkata, bridging a background in mechanical engineering with a passion for architecting scalable, production-ready systems. Specializing in Node.js, TypeScript, PostgreSQL, and AWS, my technical focus lies in building robust enterprise APIs and microservices using modern frameworks

MOTIVATION

My career is currently rooted in advanced backend development, dedicating my energy to mastering modern frameworks like ExpressJS and NestJS.,After wrapping up my tenure at Infosys, I've been focused on intense upskilling, building scalable domain projects (like Flashsale and Payment Wallet) to push my technical boundaries.,Beyond code, my long-term vision encompasses continuous personal development.

SKILLS

LANGUAGES

JavaScript

TypeScript

SQL

FRONTEND

React.js

Next.js

BACKEND

Node.js

NestJS

Express.js

RESTful APIs

DATABASES & MESSAGING

PostgreSQL

MongoDB

Redis

Kafka

DEVOPS & CLOUD

AWS

Docker

Kubernetes

CI/CD

Linux

AI & GENAI

Prompt Engineering

OpenAI API

TOOLS & TESTING

Git

GitHub

Jest

Postman

VS Code

WORKS/projects

VIEW

Paytm Clone

Full-stack digital payments platform with wallet & P2P transfers

A production-inspired Paytm clone built during Harkirat Singh's Cohort 2.0 program. Implements core fintech features including user onboarding, wallet management, peer-to-peer money transfers, and transaction history — all with atomic DB transactions to prevent double-spending.

VIEW

Flash Sale System

High-concurrency e-commerce flash sale platform

A production-grade flash sale system designed to handle 10,000 concurrent purchase requests without overselling. Built with a monolith-first approach then migrated to microservices using the Strangler Fig pattern.