Java Spring Boot | JLPT N1 | TOEIC 885 Highly analytical Backend Engineer with a background in Financial Services, bringing a "Zero-Error" mindset and rigorous logic to software engineering. Specialized in Spring Boot ecosystem, with a deep-dive approach to framework internals (e.g., Spring Security Filter Chain) to build robust, scalable RESTful APIs. While specializing in backend architectural patterns like CQRS, I also possess solid front-end proficiency (HTML/CSS/JS) to ensure seamless API integration and UI Implementation. 【Technical Blog (Traditional Chinese)】 https://medium.com/@kouisengetnews