Michael Comella
Software Engineer at Stripe
Seattle, Washington, United States
Summary
🤩
RockstarMichael Comella is an Android engineer with 13 years in software and over nine years focused on mobile products that reach tens of millions of users. He’s built 0-to-1 projects, modernized legacy codebases, and driven measurable performance improvements—work highlighted by contributions to high-profile open-source projects like Firefox for Android and Mozilla Android Components. At Mozilla he progressed from intern to Staff Software Engineer, where he combined hands-on Kotlin/Java development with performance engineering (e.g., startup profiling and StrictMode fixes) and improving test reliability across web-platform-tests. Now based in Seattle and currently at Stripe, he balances customer-first product thinking with developer productivity and long-lived code quality, often surfacing subtle telemetry and profiling insights that reveal hard-to-see bottlenecks.
14 years of coding experience
10 years of employment as a software developer
Stackoverflow
69reputation
2kreached
3answers
0questions
Github Skills (31)
kotlin10
javascript10
mobile-development10
testing10
test-runner10
browser10
ui-design10
android-development10
java10
javas10
uid10
front-end-development10
performance-optimization10
web-standards10
android10
Programming languages (21)
Github contributions (5)
mozilla-mobile/focus-android
Jun 2017 - May 2022
⚠️ Firefox Focus (Android) moved to a new repository. It is now developed and maintained as part of: https://github.com/mozilla-mobile/firefox-android
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:8 reviews, 80 commits, 70 PRs in 5 years
Contributions summary:Michael primarily contributed to the Firefox Focus Android application, focusing on bug fixes and feature enhancements. They addressed issues related to the browsing notification service, history erasing, and about:blank page loading. Furthermore, the user worked on converting code to Kotlin and implementing adaptive icons for Android, reflecting a strong understanding of Android development best practices. They also added support for a "learn more" button for adding search engines.
androidfirefoxfirefox-androidmobilebrowser
mozilla-mobile/fenix
Aug 2019 - May 2022
⚠️ Fenix (Firefox for Android) moved to a new repository. It is now developed and maintained as part of: https://github.com/mozilla-mobile/firefox-android
Role in this project:Mobile Developer (Android) & Performance Engineer
Mobile Developer (Android) & Performance EngineerContributions:173 reviews, 300 commits, 353 PRs in 2 years 10 months
Contributions summary:Michael primarily contributed to the performance optimization of the Firefox for Android application. They implemented a `HotStartPerformanceMonitor` to measure startup performance and also added a variety of profiler markers for measuring durations of startup and individual method calls. Furthermore, they addressed performance issues related to StrictMode, replaced use of `BuildConfig.DEBUG` with `ReleaseChannel.channel.isDebug`, and made other improvements to testing infrastructure.
androidfirefoxfirefox-androidmobilemozilla
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