During April 2025, Kbhoon developed comprehensive documentation for real-time notifications using Server-Sent Events (SSE) in the Kernel360/blog repository. Focusing on Java and technical writing, Kbhoon detailed the rationale for choosing SSE over WebSockets for unidirectional data flow, provided an architecture overview, and included practical code examples covering controller setup, connection management, and notification delivery. This work produced a reusable reference that streamlines onboarding and cross-team adoption of real-time features. By emphasizing clarity and maintainability, Kbhoon’s documentation enables faster implementation of SSE-based notifications, supporting consistent knowledge transfer and improving the overall developer experience for future contributors.