Rob Wu
Staff Software Engineer at Mozilla
Eindhoven, North Brabant, Netherlands
Summary
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Rockstar🎓
Top SchoolRob Wu is a Staff Software Engineer at Mozilla with 14 years of experience building and hardening browser features and extension ecosystems, currently focused on Firefox and WebExtensions. He combines full‑stack engineering with strong QA and security instincts—having been a committer on Chromium and PDF.js and receiving multiple awards for finding and fixing security bugs. Rob’s open-source footprint includes stabilizing critical tools like webextension-polyfill, web-ext, and the Firefox add-ons linter, and he routinely improves testing infrastructure and cross‑browser compatibility. He brings a pragmatic blend of front-end polish and back-end reliability, from UI improvements in PDF.js to resilient proxy behavior in CORS Anywhere. Based in Eindhoven, he holds a Master’s in Computer Science with a focus on information security, and is notable for translating deep security findings into practical product fixes and documentation.
13 years of coding experience
12 years of employment as a software developer
Master’s Degree Computer Science and Engineering / Information Security Technology, Master’s Degree Computer Science and Engineering / Information Security Technology at Eindhoven University of Technology
Dutch, English
Stackoverflow
345,006reputation
30.4mreached
2,756answers
5questions
canvas
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regex
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firefox
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browser
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html-entities
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base64
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Github Skills (175)
case-insensitive10
xmlhttprequest10
reverse-proxy10
web-application10
google-analytics10
youtube-api10
testing10
jshint10
textarea10
websocket10
loops10
firefox-addon10
unzip10
if-statement10
file-upload10
Programming languages (26)
Github contributions (5)
Rob--W/crxviewer
Apr 2013 - Apr 2022
Add-on / web app to view the source code of Chrome / Firefox / Opera 15 extensions and zip files.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:6 reviews, 360 commits, 10 PRs in 9 years 1 month
Contributions summary:Rob primarily contributed to the front-end development of the CRX Viewer, as indicated by commits involving JavaScript, CSS, and HTML. They introduced and styled new UI elements, implemented features like a search function, and made performance optimizations, particularly regarding the rendering of highlighted code within the application. The contributions improved both the functionality and the visual presentation of the extension, while also including work-arounds.
firefoxopera-extensionoperachromezip
Rob--W/cors-anywhere
Jan 2013 - Sep 2021
CORS Anywhere is a NodeJS reverse proxy which adds CORS headers to the proxied request.
Role in this project:Back-end Developer
Back-end DeveloperContributions:16 reviews, 136 commits, 44 PRs in 8 years 9 months
Contributions summary:Rob significantly contributed to the CORS Anywhere project by enhancing the core functionality of the reverse proxy. Their work included adding and modifying documentation, incorporating environment variable support, and implementing features such as handling redirects and setting headers. They also addressed bugs related to proxy errors and HTTP status codes, demonstrating a focus on improving the reliability and robustness of the proxy service.
corsproxyanywherereverse-proxyheaders
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