Aleksey Zemnitskiy
Sr. Staff Software Engineer at Harry's, Inc.
Chicago, Illinois, United States
Summary
👤
Senior🎓
Top SchoolAleksey Zemnitskiy is a Sr. Staff Software Engineer based in Chicago with a decade of experience building reactive services and streaming data pipelines that extract insights from large, unusual datasets. He thrives on greenfield initiatives and hands-on technical leadership, having scaled teams and systems across finance, enterprise, and consumer products at Citadel, HAVI, Harry’s, and others. His background blends rigorous quantitative training—a M.A. in Mathematics and degrees in economics and finance—with practical production engineering, enabling him to bridge data science and reliable distributed systems. Known for tackling challenging, nonstandard data problems, he brings both architectural vision and the willingness to ship code alongside his teams. Quietly, his career shows a pattern of moving from quantitative finance into broader engineering leadership, giving him a unique lens on data-driven product development.
11 years of coding experience
10 years of employment as a software developer
Bachelor of Science (BSc), Economics, Bachelor of Science (BSc), Economics at Higher School of EconomicsM.A., Mathematics, M.A., Mathematics at Columbia University in the City of New YorkBachelor of Arts (B.A.), Banking and Finance, Bachelor of Arts (B.A.), Banking and Finance at University of London
Github Skills (12)
matlab8
upload-image8
backtesting6
image-gallery5
react4
python3
spring1
rest1
akka1
rest-server1
netty1
java1
Programming languages (4)
Github contributions (5)
PortfolioEffect/PE-HFT-Matlab
Sep 2015 - Feb 2016
MATLAB toolbox for high frequency portfolio analysis, intraday backtesting and optimization
Contributions:1 release, 9 commits, 43 pushes in 4 months
backtestingmatlab
AZemnitskiy/streaming-jobs-deploy
Jun 2019 - Jun 2019
Contributions:23 PRs, 36 pushes, 2 branches in 13 days
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