Over a two-month period, contributed to the GT-New-Horizons-Modpack and related repositories by delivering targeted bug fixes and a feature enhancement focused on backend reliability and gameplay flow. Addressed quest progression issues by correcting logic in the Squirrel Killing Quest, restoring intended functionality and reducing support overhead. In GT5-Unofficial and Applied-Energistics-2-Unofficial, improved data accuracy and storage robustness through Java-based API refactoring, enhancing multi-item partitioning and error handling for storage cells. Emphasized maintainability by standardizing terminology and strengthening locking logic, enabling easier future development and onboarding. Demonstrated skills in Java development, backend engineering, and collaborative debugging within modded game environments.