Kumar Rishav is a seasoned full-stack engineer with 12 years of experience building developer platforms, CI/CD pipelines, and web frameworks at PayPal, where he now leads the Harness CI team to migrate and scale thousands of applications from Jenkins to a faster, more reliable platform. He combines hands-on Node.js and React expertise with deep operational knowledge of Docker, Jenkins, and enterprise pipeline design to improve developer productivity at scale. A longtime open-source contributor, Kumar has contributed front-end improvements to notable projects like Firefox OS (Gaia) and Brave, demonstrating an eye for UI/UX details and test automation. He routinely bridges product-facing front-end work with platform-level engineering, and his background as a public speaker on FOSS and version control highlights a strong commitment to community and knowledge sharing. Notably, his career blends shipping production platform infrastructure with direct contributions to consumer-facing browser UIs—an uncommon full-stack-to-platform trajectory.
12 years of coding experience
10 years of employment as a software developer
Bachelor of Technology (BTech) Computer Science and Engineering, Bachelor of Technology (BTech) Computer Science and Engineering at National Institute of Technology, Tiruchirappalli
Higher secondary school Mathematics and Science, Higher secondary school Mathematics and Science at St. joseph public school, Samastipur
DEPRECATED - Gaia is a HTML5-based Phone UI for the Boot 2 Gecko Project. NOTE: For details of what branches are used for what releases, see
Role in this project:
Front-end Developer
Contributions:29 commits, 27 PRs, 103 comments in 1 year 10 months
Contributions summary:Kumar primarily focused on enhancing the user interface of the Gaia project. Their contributions involved adding new UI test activities, including share image, dial number, send SMS, compose email, and share URL functionalities. They also addressed styling issues and made improvements to the existing code, fixing indentation errors, and improving the layout of the SMS app.
An express-based Node.js web application bootstrapping module.
Role in this project:
QA Engineer / Test Automation Engineer
Contributions:4 reviews, 9 commits, 4 PRs in 2 months
Contributions summary:Kumar primarily focused on improving and maintaining the test suite for the `kraken-js` module. They addressed review comments, simplified existing tests, and made adjustments to test cases. The contributions included changes to test file configurations and verification logic, specifically relating to the `onkrakenmount` event and server startup.
bootstrappingexpressjsnode-jsjs-webjavascript
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.