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 (55)
gcc10
lua-binding9
lua9
unity-game-engine9
visual-cpp8
unity3d8
clang8
api8
stl8
android8
visual-studio8
single-file8
game-programming7
ios7
premake7
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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