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Jan Tilly

PROFILE

Jan Tilly

Jan Tilly contributed to Quantco/glum by enhancing build automation and improving reliability across the codebase. He strengthened the build environment and continuous integration workflows using Python, TOML, and YAML, focusing on reproducibility and safer dependency management. Jan addressed a core test stability issue in the formulaic module by refining data type handling, which reduced flaky builds and improved onboarding. He also corrected the method resolution order in GeneralizedLinearRegressorBase, ensuring consistent attribute and method lookups and reinforcing API stability. His work demonstrated a deep understanding of object-oriented programming and build systems, resulting in more maintainable and robust development processes.

Overall Statistics

Feature vs Bugs

33%Features

Repository Contributions

6Total
Bugs
2
Commits
6
Features
1
Lines of code
20,151
Activity Months2

Work History

September 2025

5 Commits • 1 Features

Sep 1, 2025

Summary for 2025-09: Strengthened build environments, CI reliability, and test stability for Quantco/glum. Delivered cross-platform reproducibility improvements and safer dependency upgrades while fixing a core test stability issue in the formulaic module. These efforts reduce flaky builds, accelerate onboarding, and provide a solid foundation for future releases.

November 2024

1 Commits

Nov 1, 2024

Month 2024-11 summary for Quantco/glum focusing on reliability and API stability. Completed a critical MRO-order correction in GeneralizedLinearRegressorBase to ensure consistent attribute and method lookups, improving model reliability and downstream stability.

Activity

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Quality Metrics

Correctness96.6%
Maintainability96.6%
Architecture96.6%
Performance96.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

PythonTOMLYAML

Technical Skills

Build AutomationBuild SystemsCI/CDContinuous IntegrationData EngineeringDependency ManagementLock File ManagementObject-Oriented ProgrammingPackage ManagementTesting

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

Quantco/glum

Nov 2024 Sep 2025
2 Months active

Languages Used

PythonTOMLYAML

Technical Skills

Object-Oriented ProgrammingBuild AutomationBuild SystemsCI/CDContinuous IntegrationData Engineering