Sam
Willis.

Bluesky X Mastodon GitHub LinkedIn

I make stuff.

Multidisciplinary Developer, Designer, and Engineer.

Working on Sync Engines at ElectricSQL

a reactive, realtime, multiple player, sync layer for modern apps directly on Postgres.

Started the PGlite project

an embedded version of Postgres that runs in the browser by compiling it to WebAssembly.

Co-creator of TanStack DB

A client-side database with optimistic mutations, sync, and a reactive incremental query engine built on D2TS, my implementation of Differential Dataflow in TypeScript.

Creator of the Tetra Framework

a full stack component framework for Django using Alpine.js.

and SudokuToo

a competitive, multiplayer sudoku app. Challenge your friends to complete the grid first!

Co-founder of

an online store for personalised printed gifts and wall art.

I'm a Full Stack Developer and Designer located in Stamford, UK, working with TypeScript, JavaScript, React, Vue.js, Web Assembly, Python, and Django.

I'm also a Product Design Engineer with experience designing consumer products and medical devices, previously working for EG Technology in Cambridge UK.

For any work enquiries, please contact me directly at samw at hey dot com.

You can also follow me on Blue Sky @samwillis.uk, 𝕏 @samwillis or @samwillis@mastodon.social, and I'm also on GitHub and LinkedIn.