Worked on the tailscale/tailscale repository, delivering targeted improvements in observability and documentation. Developed a DERP connection observability enhancement by adding conditional logging to the magicsock DERP connection logic, capturing home DERP server changes and latency metrics to streamline troubleshooting of server selection issues. Utilized Go for backend changes and leveraged debugging and network engineering skills to ensure diagnostic data remained actionable without increasing log noise. Additionally, addressed a documentation bug by updating the systemd service file to reference the correct documentation URL after a site migration, using Markdown and DevOps practices to improve onboarding and reduce user confusion.