During their work on the keephq/keep repository, Wei focused on backend development using Python to enhance the stability of the Icinga2 integration. Wei addressed a critical resource management issue by implementing the missing dispose() abstract method, ensuring proper cleanup of provider instances and preventing resource leaks. This technical solution aligned the provider lifecycle with interface contracts, improving maintainability and reliability for future development. Wei collaborated closely with the team to review and validate these lifecycle improvements, laying a stronger foundation for upcoming features and simplifying onboarding for new contributors. The work demonstrated depth in backend engineering and lifecycle management.