Frontend Developer

Hi, Mrittika here

React· JavaScript · Microfrontends

I build performant, accessible, and beautifully crafted frontend experiences. Previously at TCS, delivering production features for JPMC & Aviva. Currently open to new opportunities.

React TypeScript JavaScript REST APIs Microfrontends MongoDB Express.js Figma

Say Hi!

Where I've Worked

Experience

Tata Consultancy Services 2021 — 2024

Frontend Developer (React)

// Deployed at JPMC & Aviva

Built and maintained a high-performance Transaction Data Grid for JPMC's internal finance platform, handling large datasets with sorting, filtering, and pagination.
Implemented Role-Based Access Control (RBAC) system that governed feature visibility across multiple user tiers in a production banking application.
Developed a Smart Search component enabling real-time search across transactional records with debounced API calls and highlighted results.
Contributed to a Microfrontend architecture using Module Federation, enabling independent deployments across teams.
Worked within an Agile environment, participating in sprint planning, code reviews, and cross-functional collaboration with backend and QA teams.

React TypeScript JavaScript Context API REST APIs RBAC Microfrontends Module Federation HTML/CSS

Things I've Built

Projects

01 / PROJECT

Zynk : Fullstack todo application

A full-stack task management app built with React on the frontend and Node.js/Express on the backend, using MongoDB as the database. Built to practice end-to-end CRUD operations, REST API integration with Axios, and component-based UI development.

React MongoDB Express Node.js Axios REST API

View on GitHub

02 / PROJECT

Mirovu: Transaction Data Grid

A production-ready financial data grid with sorting, filtering, pagination, and INR currency formatting — built for scale and performance.

React TypeScript useMemo

View on GitHub