Worked on the apache/amoro repository to address a critical stability issue in the Table Explorer component. Focused on backend development using Java, the developer resolved a race condition during service startup by reordering two initialization steps, ensuring the system’s readiness before scheduling exploration tasks. This targeted refactoring improved concurrency control and reduced transient errors, resulting in a more reliable and predictable startup process for users. The solution was implemented with careful attention to maintainability and traceability, leveraging strong Git workflows. The work demonstrated a methodical approach to debugging and concurrency management within a complex backend service environment, emphasizing robust engineering practices.