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KK

Kumar Krishnamoorthy

Senior React Front-End Engineer and UI Architect

Bengaluru, India
70
Profile Score

About

Senior React Front-End Engineer and UI Architect who builds production-grade, user-focused web applications from ambiguous ideas. Brings 7+ years of deep React and modern JavaScript experience, backed by strong full-stack foundations. Known for owning features end-to-end, simplifying complex workflows into intuitive UIs, and improving performance and usability in fast-moving Agile product teams. Comfortable working across design, frontend architecture, APIs, and production debugging.

Skills & Expertise (27)

React Expert
9.2/10
8
Years Exp
JavaScript (ES6+) Expert
9.0/10
8
Years Exp
REDUX Advanced
8.7/10
7
Years Exp
Typescript Advanced
8.5/10
5
Years Exp
Node.js Advanced
8.3/10
6
Years Exp
WebSockets Unix shell scripting AWS (EC2, S3) CI/CD (CircleCI) React Native NPM Git Babel Webpack ESLint Enzyme Chai Mocha Jest REST APIs MongoDb Express.js Responsive UI CSS3 HTML5 Redux Toolkit Hooks

Work Experience

Technical Architect

Zinier

Sep 2019 - Nov 2019

Designed and developed key features for a React-Redux web application used in field operations workflows. Contributed to frontend architecture decisions and conducted peer code reviews.

React MERN Stack Architect

Harman Connected Services (Client: Tesco)

Oct 2021 - Apr 2022

Designed and implemented intuitive UI flows for complex quality-control workflows used by enterprise business teams. Diagnosed and resolved performance bottlenecks in data-heavy React screens, significantly improving responsiveness. Contributed across the stack, building and enhancing features in both React frontend and Node/Express backend services.

UI Architect

Experis IT (Client: Infosys → Merck)

Nov 2017 - Jul 2018

Developed a complex interactive Device Shape Editor using advanced React UI techniques. Designed REST APIs for data persistence and collaborated across teams to deliver integrated solutions.

Software Engineer

Yahoo! USA (Yahoo Finance)

Nov 1997 - Oct 1999

Developed stock charting and financial data visualization tools used by a large global audience. Improved charting algorithms and backend performance for high-traffic financial data systems.

React MERN Stack Architect

UniqueHire

May 2021 - Oct 2021

Built a Q&A and knowledge-sharing platform end-to-end using React, Node.js, Express, and MongoDB. Took ownership of UI enhancements and backend fixes to deliver complete, production-ready features. Worked closely with stakeholders to refine requirements and rapidly ship usable solutions.

React UI Architect

Sonata Software (Client: Microsoft)

Jan 2023 - Oct 2023

Owned end-to-end delivery of multiple frontend features in a micro-frontend architecture, from requirement clarification to production release. Partnered with design and backend teams to convert evolving product requirements into scalable, user-friendly UI solutions. Improved production stability by resolving high and critical security vulnerabilities across frontend dependencies. Implemented internationalization using react-i18next, enabling multi-region product rollout.

Technical Manager

Zensar Technologies (Client: Aptos USA)

Jan 2019 - Jun 2019

Contributed hands-on to React and React Native applications while mentoring junior developers. Delivered retail web application features as part of Agile sprint cycles.

Software Engineer and Technical Leadership Roles

Various

Jan 1991 - Jan 1997

Held multiple software engineering and technical leadership roles building large-scale financial and enterprise systems for U.S. clients. Worked extensively with C, C++, UNIX systems, databases, and performance-critical applications, forming a strong foundation in scalable system design and production reliability.

Frontend Architect

Mobinius

Dec 2020 - Jan 2021

Led modernization of a legacy React application by migrating class components to Hooks and improving Redux state architecture. Improved rendering performance through memoization and refined state structuring, reducing unnecessary re-renders.

UI Lead

Capgemini (Client: Cisco)

Dec 2019 - May 2020

Led frontend development for a React-Redux enterprise application, guiding a small team on best practices. Designed scalable component structures and conducted code reviews to maintain quality and consistency.

Full Stack Architect

Nityo Infotech (Client: Northwestern Mutual)

Dec 2016 - Apr 2017

Built a Node.js microservice and a React micro-app consuming backend services. Led a small team while contributing hands-on code in Agile development cycles.

Principal Engineer

Altimetrik (Client: PayPal)

Aug 2016 - Sep 2016

Led a React Native team enhancing features and fixing issues in a production iOS application.

Education

MS, Computer Science - Temple University

- · Afghanistan

MSc (Tech), Computer Science - BITS Pilani

- · Afghanistan

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Profile Score Breakdown

📷 Photo 0/10
📄 Resume 10/10
💼 Job Title 10/10
✍️ Bio 10/10
🛠️ Skills 20/20
🎓 Education 10/10
⏱️ Experience 5/15
💰 Rate 0/5
🏆 Certs 0/5
Verified 5/5
Total Score 70/100

Profile Overview

Member sinceFeb 2026

Availability Details

Relocation

Open to Relocation

Skills (27)

React JavaScript (ES6+) REDUX Typescript Node.js WebSockets Unix shell scripting AWS (EC2, S3) CI/CD (CircleCI) React Native +17 more