Liam Feehery
Software Developer at PurpleLab
Greater Philadelphia United States
Summary
👤
Senior🎓
Top SchoolLiam Feehery is a software developer with 12 years of experience building data-intensive systems and creative solutions for healthcare and advertising use cases. At PurpleLab he invented a differentially-private, HIPAA-compliant audience generation method (paper- and patent-pending) and built an in-memory database using data sketches to perform billion-row set operations with low latency. He also architected the data ingestion and delivery backend for a self-service portal, demonstrating strengths in systems design, performance engineering, and privacy-aware analytics. Earlier roles span large-scale healthcare data processing, real-time messaging, satellite-trajectory optimization, and industrial bioscience automation—showing a habit of applying algorithms to domain-specific problems. Based in Greater Philadelphia, he combines a theory-and-algorithms CS background from RPI with hands-on product delivery, and often finds elegant, non-obvious engineering shortcuts such as custom in-memory structures to meet real-time constraints.
11 years of coding experience
1 year of employment as a software developer
Bachelor's degree, Computer Science (Theory & Algorithms), Bachelor's degree, Computer Science (Theory & Algorithms) at Rensselaer Polytechnic InstituteHigh School Diploma, High School Diploma at Strath Haven High School
Stackoverflow
616reputation
33kreached
17answers
9questions
Github Skills (59)
parser10
abstract-syntax-tree10
binding10
robotpy9
scroll9
ffi9
animate9
python8
pybind118
wpilib8
javascript8
rust7
minecraft7
scrolling7
whitespace6
Programming languages (5)
Github contributions (5)
mailmindlin/winACD
Apr 2019 - Apr 2019
Contributions:42 commits, 7 pushes, 1 branch in 1 day
NautilusJS/js_ast
Jun 2016 - Feb 2019
Parses JavaScript source code to build an AST
Contributions:1021 commits, 7 PRs, 217 pushes in 2 years 9 months
astabstract-syntax-treejavascriptparser
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