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Aaron Fowles

PROFILE

Aaron Fowles

Worked extensively on the alphagov/govuk-infrastructure and alphagov/govuk-knowledge-graph-gcp repositories, delivering robust cloud infrastructure and data engineering solutions. Consolidated GCP project management using Terraform and YAML, streamlining deployment workflows and improving governance for analytics and data processing environments. Automated CI/CD pipelines with GitHub Actions and Docker, enabling reliable multi-environment deployments and reducing manual intervention. Enhanced monitoring and alerting with BigQuery and Google Cloud Platform, implementing data freshness checks and Slack-integrated incident response. Focused on maintainable infrastructure as code, clear documentation, and secure access controls, the work enabled scalable, reproducible provisioning and improved operational reliability across production and development environments.

Overall Statistics

Feature vs Bugs

85%Features

Repository Contributions

70Total
Bugs
6
Commits
70
Features
35
Lines of code
51,858
Activity Months11

Work History

June 2026

8 Commits • 2 Features

Jun 1, 2026

June 2026 monthly summary for alphagov/govuk-infrastructure. Focused on consolidating GCP data infrastructure under a single Terraform-driven repository, driving maintainability and governance, and expanding automation for production projects. Delivered two major features: GCP data infrastructure consolidation and enhanced automation for GCP project management. Result: streamlined deployment workflows, clearer ownership, and improved scalability for GA4-related infrastructure.

May 2026

1 Commits • 1 Features

May 1, 2026

May 2026 – Delivered the GovUK Data Infrastructure Repository Configuration for alphagov/govuk-infrastructure, establishing deployment settings and team permissions to standardize provisioning and strengthen governance. The change is tracked under IA-2768 with commit f726171d6abe744a78f488321adf49c2c6768f38. No major bugs fixed this month; focus was on configuration, traceability, and access control to enable safer, scalable data infrastructure deployment.

April 2026

10 Commits • 6 Features

Apr 1, 2026

April 2026 highlights include consolidation and automation across Google Cloud Platform (GCP) projects, expansion of Dataform governance via Terraform, extended data freshness monitoring, and improvements to CI/CD for the GOV.UK knowledge graph and infra. The period delivered a unified approach to GCP project provisioning, introduced repository-based data management, and strengthened development and testing workflows, driving reliability and faster delivery.

March 2026

24 Commits • 10 Features

Mar 1, 2026

March 2026: Delivered governance, observability, and data-access improvements across govuk-infrastructure and govuk-knowledge-graph-gcp, enabling proactive health checks, automated alerts, and Terraform-managed data assets. Key outcomes include GA4 health monitoring and alerting (IA-2581) with health assessments and email drift notifications, GA4-aggregate-analytics data access monitoring and alerting (IA-2582) with BigQuery access logs, alert policies, scheduled queries, and associated documentation; Looker Studio access enhancements for GA4 and GovGraph datasets; Terraform Cloud integration service account and environment labeling to standardize configurations; and migration of production datasets under Terraform management. These efforts strengthen data governance, reduce risk of unauthorized access, and improve operational efficiency through automation and scalable infrastructure.

February 2026

4 Commits • 2 Features

Feb 1, 2026

February 2026 monthly summary for alphagov/govuk-infrastructure: Delivered foundational setup for GA4 aggregate analytics and GDS-BQ processing projects, enabling scalable analytics and data processing with proper governance. Implemented new GCP projects, IAM bindings, and Terraform Cloud (TFC) workspaces to support reproducible infrastructure provisioning and governance. No major user-facing bugs were reported this month, and groundwork was laid for faster provisioning of analytics and data-processing environments.

January 2026

4 Commits • 3 Features

Jan 1, 2026

January 2026 monthly summary focusing on business value and technical achievements across two repos: alphagov/govuk-knowledge-graph-gcp and alphagov/govuk-infrastructure. Key features delivered: 1) Data Freshness: Implemented calc_oldest_allowable_freshness scalar function in BigQuery to compute the oldest allowable freshness based on timestamp, with day-of-week adjustment; Terraform-instrumented deployment. 2) Publishing API: Extended change notes schema to include document_id and user_facing_version to improve version tracking; updated alerting policy to extend auto-close window from 2 hours to 1 day. Also minor documentation update to support RSS-to-Slack feed integration test. Major bugs fixed: Gov-search Deployment Readiness: Removed CNAME records for the gov-search service in infrastructure until the service is ready for deployment. Overall, delivered measurable improvements in data freshness governance, change/version visibility, and deployment readiness visibility, while maintaining and validating documentation touches. Technologies/skills demonstrated: BigQuery scalar functions, Terraform, Publishing API design, alerting configuration, infrastructure-as-code, readme/documentation hygiene, cross-repo collaboration.

December 2025

7 Commits • 4 Features

Dec 1, 2025

December 2025: Delivered end-to-end alerting and data freshness improvements for alphagov/govuk-knowledge-graph-gcp, focusing on reliability, incident response, and governance. Implemented Slack alert channel integration with secret management, enhanced data freshness checks that account for weekends and DST, linked alerts to a runbook, and updated contributor guidelines and ownership. These changes reduced false positives, improved response times, and clarified ownership across the team.

November 2025

5 Commits • 2 Features

Nov 1, 2025

November 2025 performance summary for alphagov/govuk-knowledge-graph-gcp: Delivered key deployment pipeline improvements and expanded data catalog capabilities, resulting in safer, faster releases and improved data visibility. The team implemented a GCS-based repo sync workflow, eliminated an unnecessary rsync step, and updated Dockerfiles to ensure image builds trigger reliably, while enabling deployments to target both staging and production with appropriate approvals. In parallel, we extended metadata queries to include more tables with native filtering and strengthened monitoring policies to detect query-related failures earlier.

October 2025

1 Commits • 1 Features

Oct 1, 2025

Concise monthly summary for 2025-10 highlighting the development work on Docker Image CI/CD Automation for alphagov/govuk-knowledge-graph-gcp. The month delivered a consolidated GitHub Actions workflow to automate building, pushing, and deploying Docker images across environments, reducing manual steps and accelerating deployment cycles. The work included a single source of truth for image versions and improved cross-environment consistency.

September 2025

5 Commits • 3 Features

Sep 1, 2025

September 2025 monthly summary covering two repos: alphagov/govuk-infrastructure and alphagov/govuk-knowledge-graph-gcp. Focused on maintaining analytics continuity, hardening staging security, and improving developer UX with better documentation and repository hygiene.

June 2025

1 Commits • 1 Features

Jun 1, 2025

June 2025 monthly performance focused on expanding the governance and discovery capabilities of the documentation system. Delivered a new repository entry for govuk-polling-dataform in the documentation registry, ensuring consistent visibility and classification across the repo catalog.

Activity

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Quality Metrics

Correctness98.0%
Maintainability94.0%
Architecture95.8%
Performance93.4%
AI Usage20.6%

Skills & Technologies

Programming Languages

DockerfileGitHCLJSONMarkdownNoneSQLShellTerraformYAML

Technical Skills

API DevelopmentAPI IntegrationAutomationBigQueryCI/CDCloud ComputingCloud ConfigurationCloud EngineeringCloud IAMCloud InfrastructureCloud Infrastructure ManagementCloud MonitoringConfiguration ManagementContainerizationData Engineering

Repositories Contributed To

3 repos

Overview of all repositories you've contributed to across your timeline

alphagov/govuk-infrastructure

Sep 2025 Jun 2026
7 Months active

Languages Used

HCLTerraformMarkdownSQLYAMLplaintext

Technical Skills

Cloud IAMGoogle Cloud PlatformTerraforminfrastructure as codeCloud Infrastructure ManagementGCP

alphagov/govuk-knowledge-graph-gcp

Sep 2025 Apr 2026
7 Months active

Languages Used

GitHCLMarkdownSQLYAMLDockerfileTerraformNone

Technical Skills

API IntegrationBigQueryCloud ConfigurationCloud InfrastructureConfiguration ManagementData Engineering

alphagov/govuk-developer-docs

Jun 2025 Jun 2025
1 Month active

Languages Used

No languages

Technical Skills

Documentation Management