Rupesh Singh focused on stabilizing and reorganizing the fuzz testing infrastructure for the keploy/keploy repository during October 2025. He restructured the fuzzer workflow by relocating the gRPC fuzzer configuration, modernized supporting Bash scripts, and improved error handling and retry logic to enhance test robustness. His work separated configuration from execution, streamlining onboarding and reducing maintenance overhead. Using Go, Bash, and YAML, Rupesh applied skills in CI/CD, workflow automation, and fuzz testing to deliver a more maintainable and reliable testing setup. The changes enabled faster feedback cycles and more consistent fuzz coverage, reflecting a thoughtful approach to infrastructure quality.