Jeevan Kumar R
@jeevankumarr
Senior Frontend Developer with 7 years of experience in React.js, TypeScript, Micro Frontends, and scalable UI engineering.
IndiaWhat I'm looking for
I’m a Senior Frontend Developer with 7 years of experience delivering scalable, responsive web applications for enterprise clients. Most recently, I spearheaded end-to-end frontend delivery of the Kiosk application, launching on time with zero critical post-release defects.
I focus heavily on performance and quality: I’ve reduced page load times by nearly 35% using lazy loading and code splitting, and I increased automated test coverage from 42% to 78% with Jest and Enzyme—cutting regression defects by ~40%. I also built reusable React component libraries adopted across three enterprise teams, eliminating duplicate development effort by nearly 25%.
Earlier, I architected scalable Redux and Redux-Saga state management layers and delivered 5 Micro Frontend modules, improving modular deployment efficiency by 30%. I’ve also strengthened CI/CD quality by lowering post-release production bugs by over 30% and support broader engineering excellence through Agile collaboration and disciplined execution.
Experience
Work history, roles, and key accomplishments
Spearheaded end-to-end frontend delivery of the Kiosk application, achieving an on-time production launch with zero critical post-release defects and reducing page load times by nearly 35%. Improved UI consistency and development turnaround by 30% by building responsive React.js/TypeScript interfaces from Figma designs and increasing automated test coverage from 42% to 78% (reducing regression def
Worked on enterprise frontend applications for Goldman Sachs using React.js, TypeScript, Redux, and Redux-Saga. Architected scalable state management workflows, independently delivered Micro Frontend modules, management applications. Collaborated with backend engineering teams, product owners, and QA teams for frontend optimization
Senior Frontend Developer
Cerner Healthcare Solutions
Oct 2019 - Jan 2022 (2 years 3 months)
Built healthcare web applications using React.js and Ruby on Rails, improving interface responsiveness and streamlining patient workflows. Improved real-time appointment scheduling efficiency by 3x and enabled 40% faster access to procedure information via proxy-based portals using React.js and Redux.
iOS Developer
Pricifly
Nov 2018 - Sep 2019 (10 months)
Enhanced and launched scalable e-commerce iOS applications, achieving App Store deployment using Swift and Agile delivery practices. Integrated the Stripe payment gateway, improving development efficiency by 25% and streamlining secure transactions.
Education
Degrees, certifications, and relevant coursework
VTU Affiliated Institution
Master of Computer Applications (MCA), Computer Applications
2014 - 2017
Completed a Master of Computer Applications (MCA) program from 2014 to 2017 at a VTU-affiliated institution.
Bangalore University
Bachelor's Degree
2011 - 2014
Earned a bachelor's degree from Bangalore University from 2011 to 2014.
Tech stack
Software and tools used professionally
Availability
Location
IndiaAuthorized to work in
Salary expectations
Social media
Job categories
Skills
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