Pavel Panchekha
Salt Lake City, Utah, United States
Summary
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Rockstar🎓
Top SchoolPavel Panchekha is a computer scientist and visiting professor with 18 years of experience building browsers and programming-language-driven systems, now split between the University of Utah and NVIDIA. His work blends rigorous academic research (PhD in Computer Science from the University of Washington) with hands-on engineering—contributing to a widely used web-browser-engineering book and implementing core text rendering and layout features. He also brings practical software QA expertise from open-source work on mathjs, where he improved numerical robustness and hardware-agnostic tests for complex-edge cases. Pavel’s background in mathematics (BS, MIT) fuels a knack for spotting subtle numerical and correctness bugs that often elude conventional testing. Colleagues know him for bridging theory and practice: designing language-informed systems while shipping reliable, well-tested implementations.
18 years of coding experience
14 years of employment as a software developer
Doctor of Philosophy - PhD Computer Science, Doctor of Philosophy - PhD Computer Science at University of WashingtonBachelor of Science - BS Mathematics, Bachelor of Science - BS Mathematics at Massachusetts Institute of Technology
Github Skills (17)
javascript10
testing10
css10
mathematics10
complex-numbers10
math10
html-parsing10
text-rendering10
fonts9
user-interface9
font-face9
bignumber7
expression-evaluator7
bignumbers7
mat5
Programming languages (14)
Github contributions (5)
browserengineering/book
Sep 2018 - Jan 2023
Web browser engineering (a book)
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:1007 reviews, 975 commits, 793 PRs in 4 years 4 months
Contributions summary:Pavel appears to be contributing significantly to the development of a web browser, focusing on both front-end and back-end aspects. They implemented core features related to text rendering and layout, incorporating knowledge of HTML parsing, styling, and JavaScript integration. Additionally, they worked on improving the visual appearance of the browser's UI.
web-browserjavascriptengineeringbrowser
josdejong/mathjs
Aug 2014 - Dec 2014
An extensive math library for JavaScript and Node.js
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:5 commits, 1 comment in 4 months
Contributions summary:Pavel primarily focused on improving the test coverage and accuracy of the `mathjs` library. Their contributions included adding and modifying test cases to address numerical issues, particularly with complex numbers and edge cases involving very small inputs for trigonometric functions like sinh and cos. The user's changes also corrected test assertions to be hardware agnostic by ensuring tests checked for non-zero values rather than precise decimal values. This work improved the library's reliability and robustness.
mathmatricesbignumbersmathematical-expressionsnode-js
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