Jack Hanford is a Head of Frontend Engineering focused on product-led growth with 13 years of experience building high-impact web applications from MVPs to scale. Based in San Francisco, he blends deep frontend expertise in JavaScript and frameworks like Angular/Next.js with a marketer’s intuition for growth and user adoption. At Lattice and Owner.com he’s led engineering efforts that balance shipping delightful UIs with reliable offline and routing behaviors. An active open-source contributor, Jack has improved projects such as Next.js offline support using Workbox and enhanced Facebook’s Lexical editor, showing attention to performance, accessibility, and real-world paste/export edge cases. He’s equally comfortable refactoring complex codebases and shipping pragmatic features that move product metrics, and often brings unconventional, guerrilla-marketing ideas into engineering roadmaps.
make your Next.js application work offline using service workers via Google's workbox
Role in this project:
Full-stack Developer
Contributions:197 commits, 79 PRs, 265 pushes in 3 years 2 months
Contributions summary:Jack primarily worked on enhancing the `next-offline` project, which focuses on enabling offline capabilities for Next.js applications using service workers and Workbox. Their contributions included refactoring code, adding new features like the `registerPath` option for service worker registration, and removing unused dependencies. The user also played a significant role in rewriting the project to utilize Workbox v3 and v4.
Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one
Role in this project:
Front-end Developer
Contributions:43 commits in 3 months
Contributions summary:Jack contributed to the `bun-sh/bun` repository by implementing and modifying Next.js-related code. They added and updated components, implemented routing methods, and addressed typescript errors within the Next.js framework integration. Their work focused on functionality within the Next.js framework, including components and routing features, as well as polyfills and fixes. The user also performed general cleanup.
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Jack Hanford - Head Of Frontend Engineering, PLG at Owner.com