Worked on the perses/perses repository with a focus on improving reliability and developer experience by addressing two key bugs. Applied expertise in TypeScript, Docker, and regular expressions to resolve a regex issue that previously failed to correctly capture indexed column formats, ensuring accurate data processing. Also aligned the Go version in the development Dockerfile with go.mod, eliminating environment inconsistencies and reducing onboarding friction. No new features were introduced during this period, as efforts centered on enhancing stability, reproducibility, and maintainability. The work contributed to a more robust development workflow and minimized production risk for the project.