During January 2026, Tan Dev focused on backend stability within the symfony/symfony repository, addressing a critical issue in database initialization. Working with PHP and leveraging expertise in Symfony and database management, Tan Dev resolved a MySQL CREATE TABLE syntax problem by relocating the ENGINE declaration to the end of the statement. This technical adjustment ensured compatibility with MySQL parsers and prevented deployment-time errors across multiple PDO-related Symfony files. The patch improved the reliability of schema deployments and reduced production risk, demonstrating a careful, detail-oriented approach to backend engineering and a strong understanding of database workflows in complex PHP applications.