George Hilios
Managing Director - Post Trade Engineering at Citadel
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolGeorge Hilios is a seasoned software engineering leader with over a decade of experience building and scaling mission-critical systems across Microsoft and top-tier financial firms like Two Sigma and Citadel. Currently a Managing Director in Post Trade Engineering at Citadel, he has driven firmwide standardization of transaction protocols and delivered scalable transaction management and compliance oversight systems that survive market stress. Previously he built a Data Engineering function at Two Sigma enabling researchers to iterate on 100s of billions of rows and pioneered early use of vector embeddings and AI on massive alternative datasets. A hands-on manager and coach, he combines coding in the trenches with organizational change—favoring measurable user-facing metrics and continuous improvement. He also co-founded a low-cost automated investment fund, demonstrating an ability to prototype trading strategies and productionize realistic backtests outside of regular work hours. With an MBA from UW and dual CS/Math degrees from Virginia Tech, he blends technical depth, quantitative rigor, and business leadership.
10 years of coding experience
11 years of employment as a software developer
MBA Leadership Finance Economics, MBA Leadership Finance Economics at UW Foster School of BusinessBS Computer Science BS Applied and Discreet Mathematics Computer Science Mathematics, BS Computer Science BS Applied and Discreet Mathematics Computer Science Mathematics at Virginia Tech
Github Skills (104)
jquery8
planetary8
javascript8
galaxy8
spark-ml8
ascom8
pyspark8
pandas-dataframe8
binder8
planets8
visualization8
kernel8
jupyter8
altair7
notebook7
Programming languages (9)
Github contributions (5)
ghilios/joko.nina.plugins
Oct 2021 - Dec 2022
Contributions:78 releases, 151 commits, 138 pushes in 1 year 2 months
ghilios/NINA.Joko.Plugin.TenMicron
Nov 2021 - Mar 2025
Contributions:30 releases, 1 PR, 64 pushes in 3 years 3 months
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