Worked on the spring-ai repository to enhance the JSON parser’s ability to accurately interpret numeric values expressed in scientific notation, specifically for Integer and Long types. Leveraged Java and BigDecimal to implement a parsing approach that ensures numbers like 1.5E7 are correctly converted, addressing edge cases that previously led to downstream errors. Developed comprehensive unit tests to validate both Integer and Long parsing paths, demonstrating a disciplined, test-driven workflow. The targeted changes improved the reliability of numeric data handling across systems dependent on the parser, with clear, focused commits reflecting attention to code quality and maintainability throughout the development process.