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Aaron Fowles

PROFILE

Aaron Fowles

Aaron Fowles engineered and maintained cloud infrastructure and data workflows across the alphagov/govuk-knowledge-graph-gcp and alphagov/govuk-infrastructure repositories, focusing on automation, governance, and reliability. He delivered Terraform-based provisioning for new GCP analytics projects, automated Docker image CI/CD pipelines with GitHub Actions, and enhanced data freshness monitoring using BigQuery SQL functions. Aaron improved deployment safety by introducing dual-environment workflows and strengthened alerting with Slack integration and runbook documentation. His work emphasized reproducible infrastructure, robust access control, and clear documentation, demonstrating depth in Infrastructure as Code, cloud IAM, and data engineering while addressing operational risks and supporting scalable analytics environments.

Overall Statistics

Feature vs Bugs

89%Features

Repository Contributions

27Total
Bugs
2
Commits
27
Features
16
Lines of code
47,942
Activity Months7

Work History

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

Correctness96.4%
Maintainability91.8%
Architecture93.4%
Performance90.4%
AI Usage20.8%

Skills & Technologies

Programming Languages

DockerfileGitHCLJSONMarkdownNoneSQLTerraformYAML

Technical Skills

API DevelopmentAPI IntegrationBigQueryCI/CDCloud ComputingCloud ConfigurationCloud IAMCloud InfrastructureCloud Infrastructure ManagementCloud MonitoringConfiguration ManagementContainerizationData EngineeringDatabase ManagementDevOps

Repositories Contributed To

3 repos

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

alphagov/govuk-knowledge-graph-gcp

Sep 2025 Jan 2026
5 Months active

Languages Used

GitHCLMarkdownSQLYAMLDockerfileTerraformNone

Technical Skills

API IntegrationBigQueryCloud ConfigurationCloud InfrastructureConfiguration ManagementData Engineering

alphagov/govuk-infrastructure

Sep 2025 Feb 2026
3 Months active

Languages Used

HCLTerraform

Technical Skills

Cloud IAMGoogle Cloud PlatformTerraforminfrastructure as codeCloud Infrastructure ManagementGCP

alphagov/govuk-developer-docs

Jun 2025 Jun 2025
1 Month active

Languages Used

No languages

Technical Skills

Documentation Management