In November 2024, Jaeyoon Lee authored and delivered a comprehensive Spring AOP Concepts blog post for the Kernel360/blog repository. Drawing on expertise in Java, Spring AOP, and technical writing, Jaeyoon explained core AOP terminology such as Target, Aspect, Pointcut, Advice, Join Point, and Weaving, and illustrated these concepts with a practical application example. The post also outlined recommended use cases, providing clear guidance for future adoption of AOP patterns. This work enhanced onboarding resources and improved the team’s understanding of cross-cutting concerns, reflecting a focused and in-depth approach to knowledge sharing without addressing bug fixes during the period.