Shen Jinpeng contributed to the 1Panel-dev/1Panel repository by developing a Dev PHP extensions template to streamline development-use PHP environments. Leveraging Go for backend logic and Vue for frontend integration, Shen added a database-backed entry to the phpExtensions slice in init.go, enabling more flexible environment setup for developers. Additionally, Shen addressed a dashboard bug to ensure accurate rendering of the operating system platform and version, improving the clarity of system metadata for users. This work enhanced onboarding and testing workflows, demonstrating a solid grasp of backend development, database migration, and frontend development within a focused, high-impact monthly engineering cycle.