Hello, I am Subhom Kundu, a frontend-focused senior full-stack developer with over 4 years of experience delivering user-friendly and accessible web applications using React, TypeScript, JavaScript, and Python. I’ve worked with frameworks such as React Native, Next.js, Express.js, FastAPI, Flask, and Angular to create scalable UI and API integrations. I design reusable UI components following design systems and WCAG standards, optimize performance to reduce load times, and improve usability for large user bases. I enjoy collaborating across teams, building reusable components with TypeScript and Storybook, and delivering reliable deployments.…

Subhom Kundu

Hello, I am Subhom Kundu, a frontend-focused senior full-stack developer with over 4 years of experience delivering user-friendly and accessible web applications using React, TypeScript, JavaScript, and Python. I’ve worked with frameworks such as React Native, Next.js, Express.js, FastAPI, Flask, and Angular to create scalable UI and API integrations. I design reusable UI components following design systems and WCAG standards, optimize performance to reduce load times, and improve usability for large user bases. I enjoy collaborating across teams, building reusable components with TypeScript and Storybook, and delivering reliable deployments.…

Available to hire

Hello, I am Subhom Kundu, a frontend-focused senior full-stack developer with over 4 years of experience delivering user-friendly and accessible web applications using React, TypeScript, JavaScript, and Python. I’ve worked with frameworks such as React Native, Next.js, Express.js, FastAPI, Flask, and Angular to create scalable UI and API integrations.

I design reusable UI components following design systems and WCAG standards, optimize performance to reduce load times, and improve usability for large user bases. I enjoy collaborating across teams, building reusable components with TypeScript and Storybook, and delivering reliable deployments.

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Skills

Experience Level

TypeScript
Expert
HTML5
Expert
React JS
Expert
JavaScript
Expert
Express
Expert
Node.js
Expert
React Native
Expert
GraphQL
Expert
MongoDB
Expert
Tailwind
Expert
Docker
Expert
Python
Expert
PostgreSQL
Expert
MySQL
Expert
AWS
Expert
DynamoDB
Intermediate
Kubernetes
Intermediate
Jira
Intermediate
Figma
Intermediate
Socket.IO
Intermediate
UI
Intermediate
PHP
Intermediate
Kotlin
Intermediate
Java
Intermediate
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Language

English
Fluent

Work Experience

Senior Frontend Developer at Capgemini India Ltd
January 31, 2023 - October 2, 2025
Led HSBC MoveMoney dashboard development, optimizing large asynchronous data processing, performing performance testing, and increasing transaction success rates by 25%. Enhanced HSBC Track Payment UI with modern, WCAG-compliant accessibility; delivered 10+ features and resolved 50+ critical bugs, reducing support tickets by 20%. Collaborated with QA and backend teams to troubleshoot production issues, accelerating defect resolution and reducing downtime. Earned 100% Secure Code Warrior JavaScript/React white belt, covering XSS, unvalidated redirects, information exposure, and injection.
Frontend Developer at Mass Software Solutions Pvt Ltd
May 31, 2021 - October 2, 2025
Drove development of FreshToday’s 'Lunch Bag' & 'FoodVillage,' improving load times by 25% through optimized React TypeScript components and SQL migrations. Reduced checkout abandonment by 18% via Stripe integration. Re-architected Wayaj Eco-friendly Hotels’ site migrating to a cloud-based CMS with React TypeScript, boosting multi-device performance and UX. Engineered scalable content management for UFC using Strapi on GCP, enabling real-time updates; reduced content management time by 30% and lowered server load by 15%. Led integration testing and performance testing, extended Mocha coverage, mentored new developers, reducing production bugs by 25% and ramp-up time by 20%.
Web Developer Intern at Teks Mobile Pvt Ltd
September 30, 2019 - October 2, 2025
Implemented responsive e-commerce UI components using HTML, CSS, and SASS, improving user engagement and reducing bounce rates by 25% across mobile and desktop platforms. Built a Flask backend with Firebase integration for real-time inventory updates and secure user authentication, reducing server load and improving data consistency by 30%.
IT Automation Data Analyst Intern at ICRA Online Ltd
May 31, 2019 - October 2, 2025
Automated data extraction from banking report documents using regular expressions in Informatica (B2B) software, achieving 95% accuracy and reducing manual processing time by 60%. Processed and formatted extracted data in Excel, ensuring accuracy and integrity for over 500+ reports monthly, and stored for matched data in a central SQL database for business analysis.

Education

Master of Science in Computing at Griffith College Dublin
February 1, 2023 - September 1, 2024
Bachelor of Technology in Computer Science at West Bengal University of Technology
August 1, 2014 - July 1, 2018
MSc Computing at Griffith College Dublin
February 1, 2023 - September 1, 2024
Bachelor of Technology in Computer Science at West Bengal University of Technology
August 1, 2014 - July 1, 2018

Qualifications

Secure Code Warrior JavaScript/React White Belt
January 11, 2030 - October 2, 2025
Introduction to Frontend Developer (Meta Certification)
January 11, 2030 - January 20, 2026

Industry Experience

Financial Services, Software & Internet, Professional Services, Media & Entertainment
    paper SignFlow

    SignFlow is a full-stack prototype that lets users upload PDFs, sign them digitally, and download the signed document—all through a clean, responsive interface. Built as a monorepo with a React + TypeScript frontend (powered by Vite) and a lightweight Express.js backend, it’s designed to showcase solid architecture, thoughtful UX, and production-ready patterns.

    https://www.twine.net/signin