Worked on the OWASP/Nest repository to deliver a Model Mixins Constants Refactor, focusing on backend development using Django and Python. The project involved replacing hardcoded numeric values in model mixins with named constants, which improved code readability and centralized value management. This refactor reduced the risk of regression and made future enhancements easier by enabling maintainers to update values in a single location. The approach emphasized maintainability and risk reduction, ensuring that the codebase is easier to understand and less prone to errors. No bugs were fixed during this period, with efforts concentrated on this targeted feature improvement.