During May 2025, this developer enhanced SPI flash programming reliability within the Mu2e/otsdaq-mu2e repository by refactoring the DTCFrontEndInterface and improving hardware interface handling. They introduced options to control write and verification steps, strengthened error handling and reporting, and updated the ROCPolarFireCoreInterface to manage byte counts for read and erase operations. Their work included validating a 5KB SPI file write, establishing a concrete verification baseline. Utilizing C++, embedded systems expertise, and firmware development skills, the developer delivered more reliable and observable SPI workflows, reducing the risk of silent failures and enabling faster debugging and issue diagnosis in production environments.