Lyam Gomes focused on backend development in the aleph-im/pyaleph repository, addressing a precision issue in storage pricing for small files. He implemented a targeted bug fix by enforcing the use of Python’s Decimal data type in all size-related calculations, ensuring accurate and reliable cost computation. To prevent future regressions, Lyam added comprehensive unit tests that verify correct pricing for small file sizes. His work improved the transparency and trustworthiness of storage costs, directly supporting business goals. By prioritizing correctness and thorough testing over new features, Lyam delivered a robust, auditable solution that reduces billing risks for end users.