Worked on the NOAA-FIMS/FIMS repository to enhance reliability and data consistency within the codebase. Focused on C++ and R programming, the developer addressed two critical bugs: one involved modifying the get_estimates function to ensure it returns an ungrouped tibble, thereby eliminating group metadata leaks and stabilizing test outputs. The other fix standardized derived quantity names by replacing spaces with underscores in rcpp_fleet.hpp, which improved downstream parsing and naming consistency. These changes strengthened data integrity and reduced future maintenance overhead, reflecting a methodical approach to refactoring and package development with an emphasis on robust data manipulation practices.