Developed and delivered the Timestamper plugin for the obsidianmd/obsidian-releases repository, enabling users to insert current timestamps directly into their notes to improve efficiency and traceability. Focused on end-to-end feature delivery, the work included designing, implementing, and preparing the plugin for release within a one-month period. Utilized JavaScript and JSON to ensure seamless integration with existing note-taking workflows, emphasizing code quality, testing, and release readiness. No major bugs were reported or fixed during this period, allowing concentrated effort on reliable feature development. Demonstrated proficiency in plugin development and release operations, contributing to enhanced user productivity and consistent note management.