Worked on the cube-js/cube repository to address a critical issue with parameter casting in PrestoDB-backed queries, focusing on backend development and database querying using JavaScript and TypeScript. Delivered a targeted bug fix by introducing explicit CAST operations for boolean and numeric parameters, which improved the correctness and reliability of dashboard queries for end users. Developed and integrated comprehensive tests to verify proper boolean parameter handling, ensuring future regressions are prevented. The work was delivered as a single, well-documented commit, demonstrating a methodical approach to traceability and continuous integration alignment, and contributed to enhanced stability for Presto-backed analytics environments.