Janek Klawe
Software Engineer at Jane Street
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolJanek Klawe is a seasoned software engineer with 16 years of experience across finance, security, and data science tooling, currently applying his craft at Jane Street in New York. He has led and contributed to ML and security initiatives at Square, building backend services and models for tamper detection and advancing data-science tooling. His open-source work on Bokeh includes refactoring time-based scales and expanding axis formatting, signaling a focus on reliable, high-performance data visualization back-ends. Janek's early career spans automated trading systems at FATTOC, Teza Technologies, and Tudor Investment, shaping a deep appreciation for low-latency, robust software. He holds a Master of Arts in Computer Science from Princeton and a B.S. in Computer Science Honours from UBC, blending rigorous academic training with hands-on impact. Based in New York, he combines breadth across finance, security, and analytics with a track record of shipping production-grade systems.
17 years of coding experience
14 years of employment as a software developer
Bachelor of Science (B.S.), Computer Science Honours, Bachelor of Science (B.S.), Computer Science Honours at The University of British ColumbiaMaster of Arts (M.A.), Computer Science, Master of Arts (M.A.), Computer Science at Princeton University
Github Skills (12)
data-visualizations10
data-visualization10
javascript10
data-visualisation10
visualization10
javascripts10
bokeh10
visualizations10
python10
plot10
plots10
coffeescript9
Programming languages (5)
Github contributions (5)
bokeh/bokeh
Nov 2013 - Jan 2014
Interactive Data Visualization in the browser, from Python
Role in this project:
Back-end Developer
Back-end DeveloperContributions:34 commits in 2 months
Contributions summary:Janek primarily focused on implementing and improving the time-based scales within the Bokeh library. Their contributions involved significant refactoring and expansion of the ticking mechanism. They implemented new scales for days and months and made multiple revisions to the resolution and formatting of the time axes.
pythonvisualisationplottingbokehplots
jqmp/vim
Dec 2008 - Aug 2014
Contributions:56 commits in 5 years 8 months
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