During January 2026, Zhu focused on backend development for the apache/apisix-ingress-controller repository, addressing a routing reliability issue in API Gateway translations. He implemented a targeted bug fix in Go, introducing a guard to ensure the upstream scheme in HTTP route translations is only set when not previously defined. This approach prevented unintended overwrites, reducing routing inaccuracies and improving the stability of API integrations. Zhu’s work demonstrated careful attention to API design and maintainability, as he linked the change directly to the related issue for traceability. The depth of the fix reflects a thoughtful approach to robust backend engineering practices.