Worked on the micronaut-core repository to deliver a Media Type Parsing Enhancement focused on improving correctness and performance in Java backend systems. Enhanced the parser to support quoted charsets and more robust parameter handling, introducing a fast-path for media types without parameters to reduce unnecessary parsing and lower response latency for common HTTP content-types. Developed new unit tests and regression tests to ensure reliability and prevent future issues, while aligning benchmarks with production routing logic for realistic performance evaluation. Addressed code quality by resolving checkstyle issues, demonstrating a methodical approach to maintainability and performance optimization in backend Java development.