Max Urbanlogiq developed a binary data encoding enhancement for the tarantool/datafusion repository, focusing on enabling Base64 encoding for fixed-size binary arrays. Using Rust, Max adjusted the encoding logic to improve data serialization and interoperability, addressing issue #18949. The implementation included comprehensive unit testing to ensure reliability and prevent regressions in serialization and deserialization workflows. By expanding the test suite and collaborating on documentation, Max supported traceability and future maintenance. The work laid a foundation for improved data interchange without introducing major user-facing changes, demonstrating depth in Rust programming, data encoding, and test-driven development within a production data pipeline context.