During April 2025, this developer focused on enhancing the Backbase/openapi-tools repository by addressing a critical issue in the WebClient API Template. They implemented a targeted bug fix to ensure that Jakarta Bean Validation imports are correctly included in generated client SDKs, resolving missing import statements that previously led to compilation and runtime errors. Leveraging expertise in code generation, template engines, and the Mustache templating language, they validated the solution through local builds and client generation checks. This work improved the reliability and stability of downstream integrations, demonstrating a methodical approach to maintaining robust Java and OpenAPI code generation workflows.