Worked on the ydb-platform/ydb repository to enhance the ticket parsing workflow by introducing a boolean success flag and refactoring error checks across multiple backend components. This update improved the clarity and reliability of error handling, making it easier to identify and resolve parsing failures. The approach focused on maintainable C++ code, leveraging robust error handling patterns and unit testing to ensure correctness. By addressing a critical bug in ticket parsing status reporting, the changes reduced debugging time and strengthened data integrity. The work demonstrated a methodical approach to backend development, emphasizing traceable, commit-driven delivery and cross-component consistency.