Harrison Oglesby

Senior Software Engineer at Mozilla

San Jose, California, United States
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Summary

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Rockstar
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Top School
Harrison Oglesby is a Senior Software Engineer in San Jose with 11 years of experience specializing in Android development and cross-platform work using Flutter/Dart and Unity. He’s shipped major mobile features across startups and consumer products—revamping core Android experiences at Miles and Poshmark, converging Android parity and Flutter migration at NimbleRx, and contributing UI-focused improvements to Mozilla’s flagship Firefox for Android. Comfortable across the stack, he pairs front-end craftsmanship and theming (notably composable UI work in the Fenix repo) with pragmatic backend integrations and SDK improvements. Known for migrating legacy Java codebases to modern Kotlin and Flutter architectures, he also mentors engineers and bridges design and engineering to deliver polished user-facing products.
code11 years of coding experience
job7 years of employment as a software developer
bookBS, Computer Science, BS, Computer Science at California State University, Monterey Bay
bookHigh School Degree, High School Degree at Cupertino High School
languagesEnglish
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Github Skills (14)

kotlin10
android-ui10
firefox10
android-sdk10
mobile-development10
ui-design10
android10
android-development10
compose10
native-android10
browser9
rt9
chrome-custom-tabs9
material-design9

Programming languages (5)

TypeScriptJavaRubyRich Text FormatKotlin

Github contributions (5)

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mozilla-mobile/fenix

Oct 2022 - Jan 2023

⚠️ 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:
userFront-end Developer & UI/UX Focused
Contributions:68 reviews, 7 commits, 9 PRs in 2 months
Contributions summary:Harrison primarily contributed to UI and component development within the Fenix (Firefox for Android) repository, focusing on improving the user interface. They implemented new composable UI elements like dividers and refactored existing components such as the tab grid item and recent bookmarks. Their work also involved replacing existing night mode annotations and integrating a new LightDarkPreview annotation, indicating a focus on theming and design.
firefoxbrowserandroidfirefox-for-androidmozilla
HarrisonOg/firefox-android

Jan 2023 - Feb 2024

This repository hosts the Mozilla Android Components and Firefox Focus (Android) projects. It is also the future home of Firefox for Android.
Contributions:992 pushes, 46 branches in 1 year
firefoxhostsandroidandroid-componentsfirefox-for-android
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Harrison Oglesby - Senior Software Engineer at Mozilla