Mustapha Jaber
Software Engineer at MicrosoftEdge
Redmond, Washington, United States
Summary
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RockstarMustapha Jaber is a software engineer with 10 years of experience focused on browser engineering and test automation, currently contributing to the Microsoft Edge team in Redmond. He specializes in building and maintaining robust testing infrastructure for web platform standards, having integrated Edge-specific support into the widely used web-platform-tests suite. His work automates driver management, channel-specific browser handling, and environment cleanup to keep large-scale browser test runs reliable and reproducible. Comfortable working at the intersection of QA and engineering, he brings production-grade automation practices to cross-vendor web compatibility efforts. Colleagues value his pragmatic approach to reducing flakiness in CI and his knack for surfacing subtle browser-version issues before they reach users.
10 years of coding experience
Github Skills (10)
test-automation10
webtest10
webdriver10
browser-testing10
microsoft-edge10
web-testing10
testing10
python9
chromium9
javascript9
Programming languages (6)
Github contributions (5)
web-platform-tests/wpt
Mar 2019 - Apr 2022
Test suites for Web platform specs — including WHATWG, W3C, and others
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:9 reviews, 16 commits, 16 PRs in 3 years 1 month
Contributions summary:Mustapha primarily focuses on improving and maintaining the testing infrastructure for web platform specifications, specifically related to the Microsoft Edge browser. They implemented features to manage and test Edge browser versions and WebDriver, including the addition of support for the Edge Stable channel. These contributions include automating tasks such as downloading and managing the Edge driver binaries and the cleanup of test environments after runs. Furthermore, the user contributed to integrating Edge browser testing within the existing WPT test suite.
microsoft-edgetest-runnerspecssafarifirefox
mustjab/mustjab.github.io
Apr 2020 - Apr 2025
Contributions:2 PRs, 115 pushes, 1 branch in 5 years
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