Over a two-month period, YK Soo enhanced the techeer-sv/2024-Team-Joe-backend-study repository by developing and formalizing documentation processes to support backend team onboarding and knowledge sharing. Focusing on maintainable documentation, YK Soo integrated external Notion references for key chapters, including methods, resources, and concurrency concepts, without introducing code changes. The work emphasized traceable, well-documented commits and clear external linking strategies, leveraging skills in technical writing and documentation management. Although no bugs were fixed and no programming languages were directly applied, the contributions improved the repository’s accessibility and self-guided learning potential, demonstrating depth in documentation and process discipline.