During February 2026, this developer delivered a Heatmap Data API Endpoint for the Hack-PSU/apiv3 repository, enabling efficient generation of heatmap data to support enhanced analytics and visualization on frontend dashboards. The work involved designing a RESTful API using Express.js and Node.js, with TypeScript providing type safety and maintainability. The implementation focused on robust routing and commit-driven development, ensuring stable integration and clear changelog documentation. No major bugs were reported during the release, reflecting careful QA and code review practices. This feature improved data access speed and visualization capabilities, supporting better decision-making for users interacting with the platform.