December 2025 monthly summary: Delivered key features and fixes across txma-infra and data-analytics-platform to strengthen auditability, data freshness, and reliability. Implemented Splunk Replay Infrastructure Enhancement (new SSM parameter to replay audit events into Splunk). Fixed Splunk Replay Topic ARN environment mappings to ensure accurate event tracking. Enhanced ADM Refresh Workflow with a third step, plus additional checks and a new SQL execution step, improving reliability and efficiency of data refresh. Business impact includes improved audit visibility, faster data refresh cycles, and more robust data pipelines. Demonstrated technologies: AWS (SSM, SNS, Splunk integration, Step Functions), SQL orchestration, and data pipeline engineering.

Month: 2025-11 — Delivered a critical observability capability for govuk-one-login/txma-infra by introducing a dedicated Splunk Replay SNS topic and a cross-account subscription policy. This enables secure, scalable replay event processing and strengthens monitoring/incident response workflows. No major bugs reported this month for txma-infra; changes were reviewed and merged with adherence to security and naming standards, contributing to reduced operational toil and faster issue localization.