Worked on upgrading the BlockBasedTableBuilder component in the facebook/rocksdb repository to ensure compatibility with the C++23 standard. Focused on refactoring struct definitions to provide complete type access for unique_ptr fields, the changes improved compile-time correctness and reduced build failures for users targeting modern toolchains. Leveraged expertise in C++ development, concurrency, and data structures to enhance long-term maintainability and stability of the codebase. The work enabled smoother downstream integration for RocksDB users adopting C++23, addressing forward compatibility concerns and supporting ongoing software engineering efforts in high-performance storage systems without introducing separate bug fixes during the development period.