Worked on Django’s authentication system to deliver asynchronous user retrieval, improving session reliability and responsiveness during login and logout. Enhanced session management by updating request handling and session hash refresh logic, contributing to more robust user experiences in the django/django repository. In the kubernetes/kubernetes and kubernetes/apimachinery repositories, addressed parsing bugs in label selector logic, ensuring correct handling of consecutive commas and empty values. Expanded test coverage to prevent regressions and support maintainability. Demonstrated backend development skills using Python and Go, with a focus on bug fixing, asynchronous programming, and test-driven improvements that support stable deployments and easier maintenance.