Kremena Nenkova focused on improving the reliability of the hmcts/idam-user-profile-bridge repository by addressing authentication issues in the test environment. She resolved a misconfiguration by aligning the OAuth2 issuer to IDAM within test suites, ensuring that services authenticated against the correct issuer and reducing flakiness in continuous integration runs. Her work centered on backend development and API integration using Java, with a strong emphasis on testing practices. By documenting the issuer configuration changes, Kremena enabled better traceability and future maintenance. Although no new features were added, her efforts enhanced the stability and correctness of identity flows in automated tests.