During February 2026, Pierrick Bouvier developed a nanosecond-precision Notes feature for the google/perfetto repository, focusing on enhancing event logging fidelity. He designed and implemented the AddNote command in TypeScript, expanding the system’s timestamp capabilities beyond UTC to support high-resolution event tracking. By integrating this command into the startup workflow, Pierrick improved both developer onboarding and scripting flexibility. His work involved front end development and rigorous testing to ensure usability and reliability. Although the project scope was limited to one feature and did not include bug fixes, the depth of the solution addressed core observability and developer experience requirements.