Athan Reines
Software Engineer at stdlib-js quansight data-apis
San Francisco, California, United States
Summary
🤩
RockstarAthan Reines is a software engineer and engineering manager in San Francisco with 13 years of experience and a PhD in Physics from the University of Oxford. He blends deep technical rigor with practical engineering, contributing across full-stack and back-end work—particularly in Node.js and JavaScript—while focusing on scientific and numerical computing. As a core developer on stdlib, he has helped extend JavaScript’s capabilities for numerical workflows, and his open-source contributions to JupyterLab (including the popular Table of Contents and Git extensions) show attention to UX details like collapsible headers and polished UI styling. He’s comfortable shipping features that bridge research tooling and production—adding WebAssembly support, doctest improvements, and Binder demos to make reproducible notebooks more usable. Colleagues describe him as someone who applies research-grade problem solving to developer-facing products, quietly improving developer experience in widely used scientific tools.
13 years of coding experience
julia, r, git, awk, python, c/c++, css, html, go, matlab, javascript, English
Stackoverflow
1,004reputation
84kreached
8answers
1question
numpy
top-5%
Github Skills (30)
javascript10
table-of-contents10
jupyter10
typescript10
jupyterlab10
jupyterlab-extension10
typescript-types10
error-handling10
typescripts10
webassembly10
react10
multidimensional-arrays9
testing9
data-structure9
markdown9
Programming languages (18)
Github contributions (5)
jupyterlab/jupyterlab-toc
Oct 2019 - May 2020
Table of Contents extension for JupyterLab
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:132 commits, 4 PRs, 104 comments in 7 months
Contributions summary:Athan primarily contributed to the JupyterLab Table of Contents extension, focusing on adding features related to the collapsible headers. They implemented the functionality to collapse and expand notebook cells based on heading levels, including the addition of a twist button for interacting with the collapsible sections. Furthermore, the user updated the demo notebook to include programmatically generated Markdown to showcase the extension's capabilities and address potential issues with hierarchical display outputs.
jupyterlabtable-of-contentsjupyterjupyterlab-extension
stdlib-js/stdlib
Mar 2016 - Jan 2023
✨ The fundamental numerical library for JavaScript and TypeScript. ✨
Role in this project:Back-end Developer
Back-end DeveloperContributions:8 releases, 14241 reviews, 32434 commits in 6 years 11 months
Contributions summary:Athan's commits primarily focused on updating and refining error messages within the `stdlib-js/stdlib` repository, specifically within the tools for doctest. These commits included refactoring the test code, adding support for complex number and boolean arrays, and making general fixes to improve accuracy and clarity of error messages in the testing process. The user also contributed to adding and configuring web assembly support by adding new files.
javascripttypescriptstdlibnodejsmath
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.