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.
12 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)
wpilib9
robotpy9
anchor9
ffi9
pybind119
animate9
binding9
scroll8
rust8
python8
ontology8
dataframe8
javascript8
minecraft8
animation7
Programming languages (7)
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
javascript
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