Jim focused on backend development and API integration during May 2025, addressing a critical bug in the autonomys/astral repository. He corrected the Talisman Role Qualification Date Boundary, extending the eligibility end date to June 5, 2025. This adjustment ensured that data retrieval for role qualification remained accurate and that no eligible users were excluded due to a boundary error. Jim implemented the fix using GraphQL, validating the updated timeframe to maintain reliable eligibility calculations and improve reporting accuracy. While the work was limited to a single bug fix, it demonstrated careful attention to detail and a methodical engineering approach.