
Jan Tilly contributed to Quantco/glum by enhancing build automation and improving model reliability through targeted engineering work. He addressed a core test stability issue in the formulaic module, ensuring consistent model matrix generation by refining data type handling, and strengthened the build environment with updated dependency management and CI matrix adjustments for cross-platform reproducibility. Jan also corrected the method resolution order in GeneralizedLinearRegressorBase, aligning with scikit-learn conventions to stabilize attribute and method lookups. His work leveraged Python, YAML, and object-oriented programming, resulting in more predictable builds, reduced onboarding friction, and a more robust foundation for future development and deployment.

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