---
title: "Saikat M. - Freelance / Self-Employed in Greater Kolkata Area | Tal"
description: "Meet Saikat M., Software Engineer | MERN Stack | LangChain • LangGraph • Vector DB | System Design | 2026 Graduate based in Greater Kolkata Area."
image: "https://tal.club/meet/saikat-4/share-image"
---

# Saikat M\. on Tal

## Headline

Software Engineer \| MERN Stack \| LangChain • LangGraph • Vector DB \| System Design \| 2026 Graduate

## About

I build web applications that scale — and I'm just getting started\. Final\-year B\.Tech CSE student at JIS University \(May 2026\) \| Full Stack Developer specializing in MERN Stack, Next\.js, and real\-time systems\. I don't just write code\. I architect solutions — MongoDB pipelines that cut API response time by 60%, WebSocket backends engineered for 5\+ concurrent connections, and banking\-grade security with JWT refresh\-token rotation and RBAC\. ━━━━━━━━━━━━━━━━━━━━━━━━━━━ TECH STACK ━━━━━━━━━━━━━━━━━━━━━━━━━━━ ▸ Frontend → React\.js · Next\.js · TypeScript · Tailwind CSS · HTML5/CSS3 ▸ Backend → Node\.js · Express\.js · REST APIs · Socket\.io ▸ Database → MongoDB · PostgreSQL \(Supabase\) · Query Optimization ▸ DevOps → Git · GitHub Actions \(CI/CD\) · Vercel · Docker · Linux · AWS ▸ Security → JWT · OAuth 2\.0 · RBAC · bcrypt ▸ Testing → Jest ━━━━━━━━━━━━━━━━━━━━━━━━━━━ WHAT I'VE BUILT ━━━━━━━━━━━━━━━━━━━━━━━━━━━ ▸ EnviroGuardian — AI\-powered environmental intelligence platform \(Live & Deployed \) ▸ SecureBank — Full\-stack banking system with Razorpay integration & atomic schema design ▸ TrackChat — Real\-time chat \+ live device tracking \(Socket\.io \| 5\+ concurrent connections\) ━━━━━━━━━━━━━━━━━━━━━━━━━━━ BY THE NUMBERS ━━━━━━━━━━━━━━━━━━━━━━━━━━━ ▸ 60% reduction in API response time via multi\-layer caching & MongoDB indexing ▸ 3 production\-grade full\-stack projects shipped end\-to\-end ▸ 10\+ concurrent WebSocket connections in system architecture design ▸ Cisco CCNA\-C Certified \| Active DSA practice on LeetCode Open to: SDE · Full Stack Developer · Backend Engineer · Fresher Roles \| 2026 Graduate 📩 saikatmaji200@gmail\.com \| Always open to connect

## Location

Greater Kolkata Area

## Work experience

Freelance / Self\-Employed at Freelance, Jun 2025 \- Present · 1 yr 2 mos, Kolkata, West Bengal, India, \- Designing, developing, and deploying production\-grade full\-stack web applications independently using MERN Stack \(MongoDB, Express\.js, React\.js, Node\.js\) and Next\.js \- Built EnviroGuardian — an AI\-powered environmental intelligence platform with real\-time IoT data aggregation, achieving 60% API response time reduction through MongoDB query indexing and multi\-layer caching \- Architecting SecureBank — a full\-stack banking system with Razorpay payment gateway, atomic MongoDB schema design to prevent race conditions, and JWT \+ bcrypt RBAC authentication \- Developing TrackChat — a real\-time bidirectional chat and live device tracking system using Socket\.io, designed to handle 10\+ concurrent WebSocket connections via event\-driven Node\.js backend \- Implementing CI/CD pipelines \(GitHub Actions\), containerization \(Docker basics\), and cloud deployment \(Vercel, AWS basics\) across all projects

Full Stack Development virtual Intern at Thiranex, Jun 2026 \- Jul 2026 · 2 mos, Remote, Currently participating in a structured virtual Full\-Stack Development internship at Thiranex, completing project\-based assignments focused on MERN stack development\. Building and submitting full\-stack web applications—including a personal portfolio, task management system, e\-commerce application, and blogging platform—as part of the program's evaluation\. This is a remote, self\-paced virtual internship based on project submissions and assessments, not a full\-time or in\-office employment role\.

Gap year at Career Break, Feb 2021 \- Mar 2022 · 1 yr 2 mos, Amta\-II, West Bengal, India, Took time off to focus on personal development and prepare for competitive engineering entrance exams \(JEE Mains\)\. During this period, I also built a strong foundation in core computer science concepts, including data structures, algorithms, and networking\. Additionally, I began exploring full\-stack web development\.

## Education

Bachelor of Technology \- BTech, Computer Engineering, JIS University

[View the original profile](https://tal.club/meet/saikat-4)

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