Subhrajyoti Sen
Senior Software Engineer at Google Developer Experts
Amsterdam, North Holland, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolSubhrajyoti Sen is a Senior Software Engineer based in Amsterdam with 10 years of hands-on Android expertise, building and leading teams that ship production apps at scale. He specializes in modern Android stacks—Kotlin/Java, Architecture Components, Dagger2, RxJava/Coroutines, Epoxy—and has kept APK sizes small while maintaining high quality through CI and testing. He has led a product to 1M+ downloads with a 4.6 rating and contributed bug fixes and Kotlin migrations to high-profile Mozilla projects such as Firefox for Android/Focus. As a Google Developer Expert, prolific tutorial and book author, and active open-source contributor, he blends mentorship and community-facing teaching with day-to-day engineering. He’s also improved developer experience via build optimizations and incremental annotation processing to speed iteration. Outside of core app work, he’s known for converting complex UI flows into efficient RecyclerView-based implementations and making performance-driven trade-offs that improve initial render times.
10 years of coding experience
9 years of employment as a software developer
Bachelor's degree Computer Science, Bachelor's degree Computer Science at Visvesvaraya Technological UniversityJAIN CollegeAndroid Developer Nanodegree Android, Android Developer Nanodegree Android at Udacity
English, Hindi, Bengali
Stackoverflow
1,655reputation
77kreached
34answers
2questions
firebase
top-5%
android
top-5%
Github Skills (24)
kotlin10
debug10
mobile-development10
testing10
java10
javas10
android10
git-repository9
git9
github9
firebase9
android-ui9
privacy8
uid8
front-end-development8
Programming languages (18)
Github contributions (5)
mozilla-mobile/focus-android
Aug 2018 - Sep 2018
⚠️ 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:15 commits, 13 PRs, 40 comments in 1 month
Contributions summary:Subhrajyoti primarily contributed to the Firefox Focus Android application, focusing on bug fixes and enhancements. They addressed issues related to session management, user interface elements, and the default browser settings. They also refactored code, converting parts of the application from Java to Kotlin.
firefoxbrowserprivacyfirefox-androidandroid
mozilla-mobile/firefox-android
Aug 2018 - Oct 2018
:warning: This repository hosts the Firefox for Android (Fenix), Focus for Android, and Mozilla Android Components projects. It is now developed and maintained as part of Mozilla Central. See the announcement here: https://github.com/mozilla-mobile/firefox-android/wiki#upcoming-migration-to-mozilla-central. ”
Role in this project:Mobile Developer (Android)
Mobile Developer (Android)Contributions:18 commits in 2 months
Contributions summary:Subhrajyoti primarily contributed to the Firefox for Android (Fenix) project, focusing on bug fixes and enhancements related to the Focus for Android component. Their work involved modifying UI elements, fixing issues related to the settings and search functionalities, and refactoring code to improve functionality and maintainability. The user addressed specific issues, such as fixing the default browser configuration and resolving context-related casting problems, indicating a focus on improving user experience and application stability.
firefoxhostsandroidandroid-componentsfirefox-for-android
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