Worked on improving the reliability of gem cache maintenance in both the rubygems/rubygems and ruby/ruby repositories by addressing error handling during cache file deletions. Focused on backend development using Ruby and Ruby on Rails, the developer implemented logic to rescue Errno::ENOENT exceptions, ensuring that missing files during concurrent cache operations no longer caused crashes. This approach allowed cache maintenance processes to continue smoothly even when files disappeared unexpectedly. By propagating these changes across repositories and collaborating with other contributors, the work enhanced cross-repo consistency and reduced support overhead, ultimately increasing the stability of gem tooling for the broader Ruby ecosystem.