David White focused on enhancing production reliability within the Planning-Inspectorate/infrastructure-environments repository by correcting a critical configuration for back-office routing. He replaced the existing back_office_integration_case_references with a curated list, enabling more accurate and auditable routing decisions in live environments. This change, implemented using HCL and leveraging configuration management best practices, reduced the risk of misrouted cases and minimized the need for manual intervention. David’s disciplined approach to change management and version control ensured production safety throughout the process. His work demonstrated a deep understanding of infrastructure configuration and contributed to more robust and maintainable back-office operations.