Worked on the open-telemetry/opentelemetry-js-contrib repository to deliver a targeted fix in Knex instrumentation, addressing the accurate attribution of database system names for both standard and custom Knex clients. Focused on backend development and instrumentation, the work involved correcting the database system attribute and expanding automated test coverage to ensure reliability in metrics and traces. Using TypeScript and testing frameworks, the changes improved data quality and observability by reducing misreporting in analytics. The approach maintained compatibility with existing instrumentation while enhancing future reliability, demonstrating attention to detail in backend systems and a methodical approach to improving open-source instrumentation tooling.