Jacob Kelley is a Staff Software Engineer with 14 years of experience, currently building product at Turo from Los Angeles. He specializes in front-end engineering and full-stack tooling, with a strong focus on rich text editing, mobile UI interactions, and user-centric developer tools. His open-source work includes lightweight, widely useful libraries like medium.js for contenteditable editing and snap.js for mobile side menus, demonstrating attention to UX details such as cursor behavior and drag/transition logic. Jacob blends hands-on implementation (image stitching and CLI improvements for a satellite imagery project) with polish—optimizing build processes, browser compatibility back to IE7, and accessible demos. Colleagues would describe him as a pragmatic engineer who cares about both core functionality and delightful interfaces.
Lightweight wrapper for adding @user mention functionality to Twitter Bootstraps Typeahead plugin
Role in this project:
Front-end Developer
Contributions:53 commits in 8 months
Contributions summary:Jacob primarily contributed to the development of a JavaScript library that provides @user mention functionality for text input fields using Twitter Bootstrap's Typeahead plugin. They initiated the project, added features such as a license, jQuery plugin support, and the ability to use a custom delimiter. Further contributions involved refining the code with indentation fixes, adding a "sensitive" option for the sorter function, and creating a demonstration file.
Download real-time images of Earth from the Himawari-8 satellite
Role in this project:
Full-stack Developer
Contributions:47 commits, 14 PRs, 47 pushes in 12 days
Contributions summary:Jacob primarily contributed to the development of the `himawari.js` project, focusing on core functionality and user experience improvements. Their work included the initial implementation of the image downloading and stitching process, and later added features like infrared image support and URL generation. The user also improved the command-line interface and added web optimized demo, which shows they were concerned with the product's overall usability and accessibility.
satelliteearthhimawarihimawari-8video
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.