Alexander Lyon
Consultant @ Lyon Foundries

A tech, privacy, and open source professional based in London, UK



A low/no config build tool for the web. Caches outputs, parallelizes builds, and prevents duplicate computation.


A next-gen build tool at meta written in rust. Worked on toolchains and open-sourcing efforts.


An swc plugin that transpiles tailwind directives to css-in-js. Delivers 10x speedups compared to a similar tool, twin.macro.


An asynchronous rust library for the stripe API. Bindings are automatically generated from the OpenApi spec, with backends for multiple async runtimes.

Remote APIs Testing

A continuous delivery matrix for smoke testing clients and servers using the Remote Execution API against one another.


Async Stripe Open Source Community


Stripe community expert. Cultivated the async-stripe community bringing in regular contributors, over 100 stars, and 10s of thousands of downloads. Additionally, distribute a portion of the $3,000/mo in donations from stripe for repeat contributors in support of the rust ecosystem.

Buck2 Open Source Ambassador


Working on helping open source buck2, the rust-based successor to buck. Primary contact for the open-source community of buck2. Handle issues, respond to queries, and coordinate with their internal engineering team.


Comp. Sci. BSc. (Hons) 1st

Heriot-Watt University

Graduated with over 90% grade average.

  • University Prize for Outstanding Merit
  • Deputy Principal’s Award
  • Merit Award

Year Study in Computer Eng.

University of Stavanger
  • CCNA Introduction to Networks
  • CCNA Routing and Switching


Open Source @ Vercel

January 2023 - now
Individual Contributor

Ported turborepo, the monorepo build tool, to rust, while maintaining the open source repo / community. Now working on performance improvements for turbopack.

Open Source @ Meta

July 2022 - December 2022
Individual Contributor

Helped open source buck2, Meta’s new rust-based build tool. Built out new open source toolchains for hermetic, reproducible builds, while untangling it from the proriety internal version.

Contracting @ MDisrupt

April 2021 - June 2022
Senior Engineer / Engineering Manager

First engineer. Architected the service from initial prototype while onboarding a team of 5 across engineering and product. Established team culture and engineering process with excellent velocity and developer satisfaction.


May 2019 - December 2020

Worked directly with multiple large clients across Europe and the US, delivering solutions within remote execution and caching, distributed systems, and language servers / compilers.

Competencies (view all)

Github Activity

tip: there are more projects than those listed here! click on a skill to have a dig