Christopher Schofield focused on backend development and API integration during March 2025, working within the Adyen/adyen-node-api-library repository. He addressed a critical reliability issue by refining the PossSDK Endpoint URL Prefix logic for possdk v68, ensuring that all requests consistently target the correct live endpoint. This fix improved the accuracy and reliability of API interactions by reducing endpoint-related errors. Christopher utilized TypeScript to implement and test the solution, demonstrating disciplined debugging and a methodical approach to issue resolution. His work maintained code quality and traceability, contributing a targeted bug fix that enhanced the stability of the library’s API requests.