kirtiman dutta

Proof of Experience

Iteration Matrix · Dec 2025 – Apr 2026

Maintained and enhanced existing full-stack applications built with React.js, Node.js, and TypeScript.
Supported core development teams by debugging complex production issues, fixing functional bugs, and improving system stability.
Contributed to back-end maintenance by updating and maintaining RESTful API endpoints and database queries in MongoDB and PostgreSQL.
Collaborated with cross-functional developers on UI fixes, code reviews, and technical documentation to streamline onboarding and product upkeep.

Deloitte · Dec 2021 – Dec 2025

Transitioned from front-end specialization to a full-stack role, leading end-to-end development of web applications using React.js (front-end) and Node.js + Express.js (back-end).
Designed and implemented RESTful APIs and integrated them with complex React front-ends.
Developed secure authentication and authorization workflows using JWT and middleware in Node.js.
Built scalable components with Redux Toolkit for efficient state management and modularized code architecture.
Improved application performance with lazy loading, memoization, and optimized API calls.
Collaborated closely with DevOps to deploy builds using Docker containers and AWS services.
Mentored junior developers and conducted code reviews to maintain clean, reusable, and testable codebases.

Sigma InfoSolutions · Sep 2020 – Dec 2021

Built and optimized user interfaces using JavaScript, HTML5, CSS3, and React.js.
Enhanced UI performance by implementing lightweight DOM operations and optimizing load times.
Partnered with design teams to deliver responsive and accessible layouts.
Integrated REST APIs and ensured smooth client-server data flow.

No completed sessions yet. Anything kirtiman finishes shows up here with the evidence behind it.

KIIT University · 2016 — 2020

K.V. NEIST · 2014 — 2016

Carmel School Jorhat · 2005 — 2014