Developers can enhance their productivity by tracking development metrics using tools like VSCode Exporter, Grafana Agent, and Grafana Cloud. VSCode Exporter allows the collection of various metrics such as time spent on files and projects, debugging, and editing from the Visual Studio Code editor, exporting this data in a Prometheus-compatible format. These metrics can be displayed using Grafana Agent to collect and export them to a Prometheus instance, and then visualized in Grafana Cloud dashboards, which can be shared publicly with others. This setup not only aids in identifying workflow bottlenecks and optimizing processes but also promotes transparency with stakeholders by showcasing active projects and recent experiences with different technologies. The integration of these tools into a developer’s workflow provides valuable insights, aids in task prioritization, and enhances productivity, making it an effective addition to any developer's portfolio.