Worked on the redis/jedis repository to deliver a feature that preserves the insertion order of fields in Redis Stream entries, addressing the need for deterministic data representation in streaming applications. The solution involved replacing the standard HashMap with a LinkedHashMap, ensuring that field order is maintained during both insertion and retrieval. Comprehensive unit tests were developed to verify consistency across read and write operations, including binary variants, which enhanced reliability and reduced regression risk. The work was implemented using Java and Redis, with a strong emphasis on test coverage and code quality, contributing to more predictable downstream data consumption.