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●Kolkata, India • Backend Developer • 2025

Soumyajeet
Chatterjee

Backend Developer
Fullstack Engineer
API Architect
Problem Solver
Backend Developer

I build the engines that power great products — fast APIs, smart systems, and clean code that scales.

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[ 01 / 06 · ABOUT ]

I craft code
that has
character.

0+
Years of Experience
0+
Projects Shipped
0
CGPA

I’m a software engineer specialized in building scalable backend systems, robust APIs, and modern full-stack web applications. My expertise spans Python, Node.js, and TypeScript architectures.

When I'm not configuring a server or finding the logic bugs in a codebase, I spend my time exploring modern UI interactions, tweaking 3D models with Three.js, and learning bleeding-edge technologies.

2017–2018
The Scottish Church Collegiate SchoolClass X (75%)
2019–2020
The Scottish Church Collegiate SchoolClass XII (85%)
2020–2021
JEE Mains96 Percentile (First Attempt)
2020–2024
B.Tech, Univ. of Engineering & ManagementCGPA 8.5
2023 Apr–Sep
Fullstack Developer @ Arcadix
2023 Sep–Dec
Lead Frontend Developer @ Toriox
2024–Pres
Backend Developer @ Appening Infotech Pvt Ltd
Technical Arsenal
REACT✦NEXT.JS✦TYPESCRIPT✦NODE.JS✦EXPRESS✦NESTJS✦MONGODB✦MYSQL✦POSTGRES✦REDIS✦REACT✦NEXT.JS✦TYPESCRIPT✦NODE.JS✦EXPRESS✦NESTJS✦MONGODB✦MYSQL✦POSTGRES✦REDIS✦REACT✦NEXT.JS✦TYPESCRIPT✦NODE.JS✦EXPRESS✦NESTJS✦MONGODB✦MYSQL✦POSTGRES✦REDIS✦REACT✦NEXT.JS✦TYPESCRIPT✦NODE.JS✦EXPRESS✦NESTJS✦MONGODB✦MYSQL✦POSTGRES✦REDIS✦REACT✦NEXT.JS✦TYPESCRIPT✦NODE.JS✦EXPRESS✦NESTJS✦MONGODB✦MYSQL✦POSTGRES✦REDIS✦REACT✦NEXT.JS✦TYPESCRIPT✦NODE.JS✦EXPRESS✦NESTJS✦MONGODB✦MYSQL✦POSTGRES✦REDIS✦REACT✦NEXT.JS✦TYPESCRIPT✦NODE.JS✦EXPRESS✦NESTJS✦MONGODB✦MYSQL✦POSTGRES✦REDIS✦REACT✦NEXT.JS✦TYPESCRIPT✦NODE.JS✦EXPRESS✦NESTJS✦MONGODB✦MYSQL✦POSTGRES✦REDIS✦REACT✦NEXT.JS✦TYPESCRIPT✦NODE.JS✦EXPRESS✦NESTJS✦MONGODB✦MYSQL✦POSTGRES✦REDIS✦REACT✦NEXT.JS✦TYPESCRIPT✦NODE.JS✦EXPRESS✦NESTJS✦MONGODB✦MYSQL✦POSTGRES✦REDIS✦
PYTHON✦FIREBASE✦BULL QUEUE✦PRISMA✦TAILWIND✦GSAP✦DOCKER✦OLLAMA✦OPENAI✦PYTHON✦FIREBASE✦BULL QUEUE✦PRISMA✦TAILWIND✦GSAP✦DOCKER✦OLLAMA✦OPENAI✦PYTHON✦FIREBASE✦BULL QUEUE✦PRISMA✦TAILWIND✦GSAP✦DOCKER✦OLLAMA✦OPENAI✦PYTHON✦FIREBASE✦BULL QUEUE✦PRISMA✦TAILWIND✦GSAP✦DOCKER✦OLLAMA✦OPENAI✦PYTHON✦FIREBASE✦BULL QUEUE✦PRISMA✦TAILWIND✦GSAP✦DOCKER✦OLLAMA✦OPENAI✦PYTHON✦FIREBASE✦BULL QUEUE✦PRISMA✦TAILWIND✦GSAP✦DOCKER✦OLLAMA✦OPENAI✦PYTHON✦FIREBASE✦BULL QUEUE✦PRISMA✦TAILWIND✦GSAP✦DOCKER✦OLLAMA✦OPENAI✦PYTHON✦FIREBASE✦BULL QUEUE✦PRISMA✦TAILWIND✦GSAP✦DOCKER✦OLLAMA✦OPENAI✦PYTHON✦FIREBASE✦BULL QUEUE✦PRISMA✦TAILWIND✦GSAP✦DOCKER✦OLLAMA✦OPENAI✦PYTHON✦FIREBASE✦BULL QUEUE✦PRISMA✦TAILWIND✦GSAP✦DOCKER✦OLLAMA✦OPENAI✦
[ 02 / 06 · EXPERTISE ]

The tools I use to shape ideas.

Drag them around. Play with them. These are the core technologies I work with daily to craft scalable applications.

React
Next.js
TypeScript
Node.js
NestJS
Express
MongoDB
MySQL
Postgres
Redis
Firebase
Bull Queue
Prisma
Tailwind CSS
GSAP
Python
OpenAI API
01

Backend Engineering

Architecting robust backend systems that handle complex queries, realtime interactions, and large data flows using NestJS and microservices.

Node.jsNestJSExpressMicroservicesBull Queue
02

Database Architecture

Optimizing data storage with high-performance relational and NoSQL databases, including advanced caching and synchronization strategies.

PostgresMySQLMongoDBRedisFirebase
03

Full-Stack Excellence

Creating pixel-perfect, highly animated and responsive user interfaces that deliver premium experiences across the entire stack.

ReactNext.jsTypeScriptTailwindGSAPPrisma
04

AI & Modern DevOps

Integrating state-of-the-art LLMs and automating workflows with Docker and intelligent agentic systems.

OpenAIOllamaDockerPythonAutomation
[ 03 / 06 · WORK ]

SelectedProjects.

View Case Study
01Web Application

SONIQ

A premium real-time social music streaming platform where users can listen to YouTube tracks in perfect synchronization. Features synced rooms, live chat, and granular role management.

Next.js 15TypeScriptSocket.ioExpress+2
View Case Study
02Web Application

SimeoCee

A digital note-sharing platform for students to share and discover resources. Browse by category, search globally, and interact through a community-driven upvoting system.

Next.jsTypeScriptTailwind CSSShadcn UI+1
View Case Study
03Web Application

Realtime Code Editor

A collaborative pair programming platform enabling real-time code editing and live previews through high-frequency socket communication.

T3 StackNext.jsSocket.iotRPC+1
View Case Study
04Web Application

Vaultify

A secure digital vault application featuring AES-256 encryption for credentials and document storage. Implements a zero-knowledge master password system for maximum security.

Next.jsExpressMongoDBAES-256+1
View Case Study
05Web Application

ShadyCoder

A multi-agent autonomous AI coding assistant CLI. Features a specialized team of agents for planning, coding, and review, using local LLMs for privacy and speed.

TypeScriptOllamaLangChainAST Parser+1
View all projects on GitHub
[ 04 / 06 · EXPERIENCE ]

Where I've applied my craft.

Appening Infotech

Backend DeveloperFeb 2024 - Present
  • ●Designed and optimized scalable backend architectures using Node.js, NestJS, MySQL, and MongoDB.
  • ●Implemented role-based access control (RBAC) and enhanced API security.
  • ●Developed and maintained RESTful APIs, improving system performance by 30 percent.
  • ●Resolved client escalations and ensured seamless project execution.
Node.jsNestJSMySQLMongoDBRBACAPI Security

Toriox

Full-Stack DeveloperDec 2023 - Feb 2024
  • ●Developed a full-stack web application with an advanced authentication system.
  • ●Built and integrated REST APIs, ensuring seamless communication between services.
  • ●Optimized database queries, reducing response time by 40 percent.
Full-StackAuth SystemsREST APIDatabase Optimization

Arcadix (Startup)

Full-Stack DeveloperFeb 2023 - Aug 2023
  • ●Built a club booking and management web app, implementing real-time booking systems.
  • ●Worked on backend authentication systems using Node.js, JWT, and OAuth.
  • ●Developed a responsive, scalable UI with React.js and a robust backend with MongoDB.
React.jsNode.jsSocket.ioOAuthJWTMongoDB

Freelance Projects

Independent Developer2023 - 2024
  • ●Theater Booking App – Customizable theater booking system with admin dashboard and analytics.
  • ●Peracre – A property marketplace platform connecting buyers and sellers.
  • ●E-commerce Nameplate Store – Implemented real-time product previews and an admin management system.
Next.jsStripeReal-time PreviewsAdmin Dashboard

How I Work

01

UNDERSTAND

Deep-dive into requirements, constraints, and the "why" before writing a single line of code.

02

ARCHITECT

Design the system: data models, API contracts, queue strategies, and performance boundaries.

03

BUILD

Write clean, typed, testable code with a focus on correctness, then optimise for performance.

04

ITERATE

Monitor, profile, refactor. Ship, then improve. Software is never truly finished.

"The details are not the details, they make the design."

"

"I don't just write code — I build things I'd be proud to use myself."

Based in Kolkata, India, I'm a B.Tech student at the University of Engineering and Management (CGPA 8.5). Beyond work, I enjoy exploring new developer tools, building side projects with AI, learning about investing, and occasionally solving a Rubik's cube.

I go by "Shady Coder" online — not because I'm sketchy, but because I like the contrast: sharp code, soft edges.

Currently...

ReadingClean Code by Robert C. Martin
BuildingAI tools & open-source projects
LearningAI and ML Engineering to become an AI ML engineer with in-depth knowledge
ExploringDistance M.Tech programs to pursue with job parallelly to learn new things
[ 06 / 06 · LET'S TALK ]

Let's build
something
remarkable.

Have a project in mind? Want to discuss a full-time role or just say hi? Drop me a message and I'll get back to you within 24 hours.

Emailchatterjeesoumyajeet@gmail.com
Social
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© 2025 Soumyajeet Chatterjee. All rights reserved.

Kolkata, West Bengal (22.5726° N, 88.3639° E)

BACKEND DEVELOPER ✦FULLSTACK ENGINEER ✦KOLKATA, INDIA ✦OPEN FOR OPPORTUNITIES ✦LET'S BUILD TOGETHER ✦BACKEND DEVELOPER ✦FULLSTACK ENGINEER ✦KOLKATA, INDIA ✦OPEN FOR OPPORTUNITIES ✦LET'S BUILD TOGETHER ✦