O Halloran
Principle Game Client Engineer II at DIGIT, a Scopely Studio
Ireland
Summary
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SeniorO Halloran is a Principal Game Client Engineer based in Ireland with 14 years of experience building and leading client-side game development at DIGIT (a Scopely studio) and earlier roles at PopCap and Kitman Labs. He has progressed through technical leadership roles from Game Client Developer to Principal Engineer, specializing in Unity/C++ game clients and core tech that ship live titles. Known for bridging hands-on engineering with team mentorship, he focuses on performance, stability, and iterative delivery in live-service games. A background that includes embedded C/C++ work at Smiths Detection gives him uncommon low-level systems insight for a game client lead.
14 years of coding experience
15 years of employment as a software developer
Github Skills (41)
unity-game-engine10
lua-binding9
luaapi9
gcc9
visual-studio9
lua9
clang9
visual-cpp8
android8
luajit8
ios8
toolbox7
game-programming7
premake7
stl7
Programming languages (3)
Github contributions (5)
pjohalloran/texture-atlas-generator
Aug 2012 - Jul 2013
Contributions:41 commits in 11 months
pythontexture-atlasruntimeimagingatlas
pjohalloran/ZString
Oct 2020 - Jun 2023
Zero Allocation StringBuilder for .NET Core and Unity.
Contributions:2 PRs, 9 pushes, 1 branch in 2 years 7 months
dotnetzerozero-allocationallocationnet-core
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