Tom Lienard
Software Engineer at Vercel
Stony Stratford, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolTom Lienard is a Full Stack Software Engineer with seven years of experience building cloud-native developer tools and edge-first platforms. As founder of Lagon.app (acquired by Vercel) and now a Software Engineer at Vercel, he focuses on running JavaScript/TypeScript serverless functions at the edge and improving developer experience. He contributes to prominent open-source projects like tRPC and Vercel, adding edge runtime support, TypeScript migrations, and runtime improvements such as Python streaming and ASGI fixes. Comfortable across front-end and back-end work, he has shipped performance-focused React optimizations, TypeScript refactors, and dashboard and API features for serverless tooling. Based in the UK, Tom combines product-minded engineering with hands-on runtime and tooling expertise, and he often surfaces practical improvements—like replacing Jest with Vitest or adding concrete Next.js/Vercel edge examples—that make developer workflows smoother.
7 years of coding experience
3 years of employment as a software developer
Bachelor Concepteur Développeur, Bachelor Concepteur Développeur at EFREI - Grande école du numérique
Stackoverflow
101reputation
2kreached
3answers
0questions
Github Skills (52)
javascript10
performance-monitor10
dashboard10
react-hooks10
python10
component-design10
testing10
rendering10
typescript10
nextjs10
ui-design10
type-definition10
render10
refactor10
uid10
Programming languages (21)
Github contributions (5)
lagonapp/lagon
Jun 2022 - Jan 2023
Deploy Serverless Functions at the Edge. Current status: Alpha
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:73 releases, 120 reviews, 348 commits in 7 months
Contributions summary:Tom primarily focused on developing and implementing features for the dashboard. They worked on adding new components and features to the user interface, including dialogs and chart improvements, by integrating ui libraries. The user also implemented modifications to API routes, database interactions, and the introduction of a new function related to subscriptions. Additionally, they worked on integrating with the testing framework, adding web platform tests, and addressing performance improvements in the codebase.
functionsdevserverlessaws-lambdastatus
withfig/autocomplete
Mar 2021 - Nov 2021
IDE-style autocomplete for your existing terminal & shell
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:744 reviews, 165 commits, 232 PRs in 8 months
Contributions summary:Tom primarily contributed to the codebase by adding and refactoring types using TypeScript. They introduced type definitions for core data structures like `Completion`, `Command`, and `Spec`, and moved these types into a single file. Furthermore, the user refactored existing code to prepare for the migration from JavaScript to TypeScript, and they converted multiple Unix commands to TypeScript. The contributions improved code maintainability and readability.
zshiterm2bashfigide
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