Tamara Hills
Principal Software Engineering Manager at Microsoft
Sammamish, Washington, United States
Summary
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RockstarTamara Hills is a Principal Software Engineering Manager at Microsoft with 12 years of experience leading engineering teams and delivering user-focused software. Based in Sammamish, WA, she blends technical depth with people leadership to drive high-impact projects at scale. Her hands-on background includes front-end UI work on notable open-source projects like the Firefox OS Gaia dialer, where she improved multi-call behavior and RTL support—evidence of attention to accessibility and real-world UX edge cases. Tamara excels at translating complex product requirements into polished interfaces while coaching teams to maintain quality and velocity. She is known for balancing strategic architecture decisions with pragmatic, shipping-oriented execution. Colleagues describe her as a pragmatic leader who elevates team delivery through clear priorities and thoughtful mentorship.
12 years of coding experience
Github Skills (5)
javascript10
user-interface10
right-to-left10
html9
css9
Programming languages (5)
Github contributions (5)
mozilla-b2g/gaia
May 2014 - Feb 2016
DEPRECATED - Gaia is a HTML5-based Phone UI for the Boot 2 Gecko Project. NOTE: For details of what branches are used for what releases, see
Role in this project:
Front-end Developer
Front-end DeveloperContributions:125 commits, 80 PRs, 37 pushes in 1 year 8 months
Contributions summary:Tamara primarily contributed to the UI of the Firefox OS dialer application. Their work involved modifying existing code in `callscreen` to implement and adjust the mute button, and also address multi-call scenarios. The commits also include the improvement of the RTL support for both the dialer and emergency call screens, with emphasis on layout and text direction. These changes reflect a focus on UI/UX to address user experience and ensure proper functionality.
abandoned
MozScout/scout-ua
Mar 2018 - May 2019
Contributions:1 release, 367 commits, 134 PRs in 1 year 2 months
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