Worked on the mongodb/laravel-mongodb repository to enhance the reliability of event-driven data modifications in April 2025. Focused on backend development and database management using PHP and Eloquent ORM, the work addressed a bug in the Query Builder’s update path by removing a manual dirty _id check, simplifying update logic during event handling. Introduced a regression test to ensure that invoking save on a model within the 'created' event does not disrupt the initial save operation. These changes improved data consistency and test coverage, reducing the risk of inconsistencies in production environments where event-driven workflows are critical.