Alex Hart

Senior Android Developer at Signal Messenger

Dieppe, New Brunswick, Canada
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Summary

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Rockstar
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Top School
Alex Hart is a Senior Android Developer with over nine years of professional experience and a strong foundation in Java, Kotlin, and functional programming principles. Based in Dieppe, New Brunswick, he currently builds privacy-focused mobile features at Signal Messenger, contributing UI and story-viewer enhancements to the widely used Signal-Android codebase. Previously he rose from junior engineer to team lead at REDSpace working on large consumer apps (including Nickelodeon projects) and has full-stack experience spanning Django, Swift, JavaScript, and Groovy. A self-starter and collaborator, he favors clean, maintainable code and pragmatic designs that scale across teams. He also co-founded a research-backed hardware project integrating NFC and audio communication, reflecting an appetite for applied systems and unusual technical challenges. Not actively looking for new roles, he remains engaged in open-source development and continuous learning.
code7 years of coding experience
job7 years of employment as a software developer
bookBEng, Computer Engineering, BEng, Computer Engineering at Dalhousie University
bookCertificate of Applied Science, Computer Engineering, Certificate of Applied Science, Computer Engineering at Acadia University
languagesEnglish
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Github Skills (14)

uid10
front-end-development10
ui-design10
android-development10
android-gui9
android-components9
ui-components9
native-android9
mobile-development9
android9
animation9
kotlin9
android-component9
android-ui9

Programming languages (4)

JavaC++RustKotlin

Github contributions (5)

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signalapp/Signal-Android

Sep 2019 - Jan 2023

A private messenger for Android.
Role in this project:
userMobile Developer (Android)
Contributions:79 reviews, 2014 commits, 89 PRs in 3 years 5 months
Contributions summary:Alex contributed to various areas within the Android Signal app, primarily focusing on user interface and feature enhancements. Their commits included adding margins to the stories context menu, integrating animations to the chrome display, and implementing a card radius animation when launching the story viewer. Furthermore, the user worked on fixing the media caption handling for outgoing stories and added functionality to enable a full-screen view of the stories.
android
shahi5472/Signal-Android

Apr 2020 - Aug 2020

A private messenger for Android.
Contributions:35 commits in 3 months
android
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