Donal O'callaghan
Senior Software Engineer - Android at Roku Inc.
East Hertfordshire, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolDonal O'callaghan is a Senior Software Engineer specializing in Android with a two-decade-long passion for mobile platforms and nine years of professional experience. Based in East Hertfordshire, he currently builds Android products at Roku, bringing deep Kotlin expertise and a pragmatic cross-platform perspective from part-time iOS, Scala and Node.js work. His background combines a BSc in Computer Science from University College Cork with hands-on app architecture, performance tuning and feature delivery for consumer devices. Colleagues value his steady focus on quality and his knack for translating platform quirks into elegant, maintainable solutions. Notably, he pairs production-grade Android engineering with adventurous experimentation in other languages, keeping his toolkit both broad and current.
9 years of coding experience
BSc, Computer Science, BSc, Computer Science at University College Cork
French
Github Skills (26)
static-analysis10
network-analysis10
hacking10
verification10
mobile-application10
pentesting10
android-application10
reverse-engineering10
testing9
ios9
security9
dynamic-analysis9
android9
mobile-security9
owasp9
Programming languages (2)
Github contributions (5)
reactivemobile/CoinFlipper
Sep 2018 - Nov 2019
A Kotlin API to generate random coin flips
Contributions:20 commits, 2 PRs, 16 pushes in 1 year 2 months
kotlin-apikotlinapicoin
reactivemobile/kotchain
Sep 2017 - Dec 2020
A tiny blockchain implementation in Kotlin
Contributions:40 commits, 20 PRs, 30 pushes in 3 years 3 months
kotlintinyblockchain
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