Contributed to the smartuni/riot-po-2025 repository by delivering four backend features over two months, focusing on reliability and maintainability. Enhanced gate fault detection and confidence calculation by introducing new flags, methods, and status-tracking arrays, which improved traceability and reduced false positives in fault evaluation. Integrated an external component dependency by referencing a specific commit, ensuring reproducible builds. Improved object initialization through a comprehensive GateEntity constructor and updated backend documentation to clarify server structure and onboarding processes. Demonstrated disciplined backend development and documentation practices using Java and Markdown, with an emphasis on modular design, clear commit hygiene, and technical clarity.