Henry Heffernan
Senior Design Engineer at Vercel
San Francisco, California, United States
Summary
🤩
Rockstar🎓
Top SchoolHenry Heffernan is a Senior Design Engineer at Vercel with a decade of experience blending creative development and software engineering to build polished, interactive front-ends. He moves between product-facing UI work and performance-focused components, contributing to well-known projects like Turborepo/Turbopack where he redesigned benchmark visuals and refined the homepage experience. His background in game development and art informs a strong visual sensibility—evident in a portfolio site that leverages 3D CSS and custom camera controls—to create immersive user interfaces. Based in San Francisco and trained in computer science at RPI, he brings a designer’s eye to engineering problems and a track record of shipping thoughtful, developer-friendly UI improvements.
10 years of coding experience
5 years of employment as a software developer
Bachelor of Science - BS Computer Science, Bachelor of Science - BS Computer Science at Rensselaer Polytechnic Institute
English
Github Skills (17)
threejs10
site-design10
javascript10
css10
typescript10
nextjs10
front-end-development10
typescript-types10
html10
typescripts10
website-design10
react10
framer-motion9
css-modules9
build-system7
Programming languages (9)
Github contributions (5)
henryjeff/portfolio-website
Mar 2022 - Jun 2022
Role in this project:
Front-end Developer
Front-end DeveloperContributions:206 commits, 10 PRs, 116 pushes in 3 months
Contributions summary:Henry primarily focused on the development of the front-end user interface for a portfolio website. Their contributions involved formatting the initial HTML structure and adding CSS styling. They implemented camera controls and updated the rendering process to include support for 3D CSS elements. Moreover, the user integrated various components like a computer screen and a video overlay, showcasing an emphasis on creating a visually rich and interactive user experience.
vercel/turborepo
Oct 2022 - Oct 2022
Build system optimized for JavaScript and TypeScript, written in Rust
Role in this project:Front-end Developer
Front-end DeveloperContributions:1 review, 12 commits in 5 days
Contributions summary:Henry primarily contributed to the documentation and UI components of the Turbopack project. They were involved in redesigning and polishing the homepage, specifically focusing on the /pack section. The changes included modifications to the `PackBenchmarksGraph` and `PackBenchmarkTabs` components, suggesting work on performance benchmarks and UI enhancements. Furthermore, the commits demonstrate an understanding of React, Framer Motion, and CSS modules, as well as Next.js.
monorepoincrementalturborepobundlerrust
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