Worked on the Adyen/adyen-magento2 repository to enhance checkout reliability and observability for Magento 2 integrations. Addressed a rendering crash by implementing PHP 8’s nullsafe operator, ensuring robust handling of empty or malformed paymentMethodsResponse data and preventing errors during payment method rendering. Improved operational clarity by adjusting invoice creation logging from WARNING to INFO, reducing unnecessary alerts while maintaining visibility into routine processes. Demonstrated skills in backend and frontend development using PHP and JavaScript, with a focus on precise code changes and improved logging practices. These updates contributed to a steadier checkout experience and reduced incident noise during February 2025.