Worked on the gohugoio/hugo repository, focusing on backend development and testing with Go and scripting. Delivered an architecture-aware fix for floating-point precision issues in Hugo’s Atan and Tan math functions on s390x, implementing platform-specific workarounds to ensure template outputs remain consistent across architectures. This reduced cross-platform test flakiness and improved reliability for users on s390x. Additionally, enhanced Hugo’s testing framework by extending test scripts to support far-future expiry and publish dates for drafts, enabling robust validation of content scheduling. These contributions increased test coverage and stability, particularly in edge-case scenarios, and strengthened the project’s cross-platform correctness.