Worked on the gradio-app/gradio repository to deliver a major performance enhancement for video processing workflows. Focused on improving video trimming, the developer introduced input-side seeking and stream copy techniques to avoid unnecessary re-encoding, resulting in faster trims and reduced CPU and I/O usage. This technical approach improved responsiveness and efficiency for users editing videos, supporting higher throughput in common scenarios. The work was implemented using TypeScript and leveraged software development and video processing expertise. Collaborative development practices and clear code documentation were evident throughout the process, contributing to system stability and maintainability while addressing key performance bottlenecks in video editing.