I'm a Full Stack Software Engineer with 4+ years of experience building scalable, high-performant, and user-centric web applications using React, Node.js, TypeScript, Prisma, SQL and MongoDB. Proven ability to deliver end-to-end solutions — from database design and API development to frontend architecture and optimization. Committed to clean code, scalable architecture, automated testing, and leveraging AI tools to streamline development and accelerate delivery. Currently I am working as a Associate Software Engineer at Cognizant Technology Solutions. I am a alumni of Netaji Subhash Engineering College, Kolkata, where I earned a Bachelor of Technology degree in Mechanical Engineerng

Experience

Software Developer — ITC Infotech (2025 — Present)

• Developed a Next.js-based form automation platform using modern React patterns like Render Props, Compound Components, Hooks, Zustand, and Zod.

• Delivered highly optimized, accessible UI achieving:

  • Lighthouse Score: 95+
  • CLS: 0.02
  • INP: 110 ms
  • LCP: 0.8 s
• Integrated type-safe REST APIs using Node.js + Axios, ensuring consistent data validation.
• Implemented unit & integration tests using Jest and React Testing Library for improved reliability.
• Contributed to CI/CD pipelines, Agile sprints, peer reviews, and product–design–engineering collaboration.

Associate Software Engineer — Cognizant (2021 — 2025)

Databricks Administration Automation Portal

Frontend Responsibilities:

• ✅ Designed multiple dynamic forms using React.js and JavaScript, with dropdowns and input fields.
• ✅ Created logic to construct JSON payloads dynamically based on user inputs before API submission.
• ✅ Integrated state management with Redux, ensuring smooth form handling across multiple pages.

Backend Responsibilities:

• ✅ Built an Express.js backend with Node.js, integrating with Azure Cosmos DB using Mongoose.
• ✅ Developed APIs to automate Databricks job/cluster creation, notebook migration, and access provisioning.
• ✅ Implemented multi-level approval workflows:
  • Admin approval for modifications and access requests.
  • BU lead approval for new cluster/workflow creation.
• ✅ Used node-cron instead of setInterval for scheduled jobs to improve reliability.
• ✅ Integrated Databricks API using Axios, ensuring seamless automation of infrastructure tasks.

Scheduling App

Frontend Responsibilities:

• ✅ Developed login, user profile, scheduling, and availability pages using Next.js & TypeScript.
• ✅ Managed user state efficiently using Zustand and optimized API calls with axios.
• ✅ Implemented SSR and protected routes using NextAuth/Auth.js, ensuring authentication before

Backend Responsibilities:

• ✅ Implemented authentication using NextAuth.js with JWT and OAuth providers.
• ✅ Used PostgreSQL with Prisma ORM for relational database management.
• ✅ Developed booking APIs that handle conflict resolution and time-slot management.

Migrating from HTML/CSS/JS (MVC) to React

Frontend Responsibilities:

• ✅ Migrated multiple components from MVC to React.js with JavaScript to improve performance.
• ✅ Applied code splitting and lazy loading to optimize page speed.
• ✅ Used Tailwind CSS for styling, ensuring a modern and maintainable UI.

Backend Responsibilities:

• ✅ Implemented biometric authentication (fingerprint/face recognition) in JavaScript for login.
• ✅ Integrated Klarna and PayPal payment gateways using a microservices-based event-driven architecture (Kafka).
• ✅ Used Redis caching for reducing load times on high-traffic APIs.

### Personal Projects

Full-Stack Social Media Application (MERN)

• Multi-image uploads, posts, reactions, comments, friend requests, stories (auto-delete in 24h), Cloudinary integration.

Full-Stack Booking Application (Next.js + Prisma + MongoDB)

• Social login, listing creation, hosting, reservation management, favorites, responsive UI.

Tesla Landing Page Clone (Next.js + Tailwind CSS)

• Fully responsive, animation-rich landing page with better responsiveness than the official Tesla site.

In addition to my formal education, I've enriched my knowledge and skills through various online courses covering programming, software engineering, web development, Data Engineering, AI, and mathematics. These courses have been vital for both my career and personal projects.

My diverse roles have honed my abilities in communication, task management, time management, problem-solving, and planning. Currently, I work at ITC Infotech as a full-stack software engineer, where my role has been essential in developing my collaboration and leadership skills. These experiences collectively enhances my proficiency in both technical and soft skills, vital for my professional growth.