Worked on a targeted refactor of the open-feature/flagd repository, focusing on adopting the IStore interface to standardize data access and reduce coupling within the codebase. Leveraging Go and interface-based programming, the developer replaced the concrete Store implementation, removed unused mutex constructs, and simplified synchronization paths to improve thread safety and maintainability. Post-refactor cleanup included eliminating the unused Selector field from Flag and deleting the SourceDetails struct, streamlining the data model for future development. This work enhanced the codebase’s maintainability and reduced its surface area, enabling faster iteration and more efficient feature flag delivery in future releases.