Stephen Pardy
Distinguished Machine Learning Engineer at Capital One
Cambridge, Massachusetts, United States
Summary
🤩
Rockstar🎓
Top SchoolStephen Pardy is a Distinguished Machine Learning Engineer with 13 years of experience building scalable ML systems and production-ready data science tooling, currently leading enterprise ML efforts at Capital One in Cambridge, MA. He combines deep academic training (PhD in Astronomy) with practical industry impact—designing billion-row credit risk models, building agent-based fraud policies, and revamping graph ML and transformer approaches for fraud detection. A pragmatic software engineer, he contributes to open-source projects like plotly.py, improving numerical robustness in plotting subsystems, and has a track record of shipping python packages that bring cutting-edge interpretability and diagnostics into production. Colleagues rely on him to bridge research, engineering, and governance, and he often surfaces subtle numerical and tooling issues before they become business risks.
13 years of coding experience
11 years of employment as a software developer
Doctor of Philosophy (Ph.D.) Astronomy, Doctor of Philosophy (Ph.D.) Astronomy at University of Wisconsin-MadisonBachelor of Arts (B.A.) Physics, Bachelor of Arts (B.A.) Physics at Macalester College
Github Skills (7)
visualization10
visualizations10
pytest10
python10
plotly10
jupyter-notebook9
d3js8
Programming languages (7)
Github contributions (5)
plotly/plotly.py
Mar 2023 - May 2023
The interactive graphing library for Python :sparkles: This project now includes Plotly Express!
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 PR, 6 comments, 3 issues in 1 month
Contributions summary:Stephen contributed to the plotly.py library, primarily focusing on bug fixes and improvements within the `_subplots.py` module. They addressed issues related to subplot domain calculations, implementing rounding and error messaging to handle floating-point inaccuracies. Additionally, the user made changes to other parts of the library, including express functionalities, and updated test and documentation configurations.
pythonjupyter-notebookchartingplotlyjsexpress
stephenpardy/stephenpardy.github.io
Apr 2016 - Mar 2021
Contributions:101 commits, 82 pushes, 1 branch in 5 years
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