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Matthew Ryall

PROFILE

Matthew Ryall

Matthew Ryall enhanced security, reliability, and documentation across several Ministry of Justice repositories, including hmpps-integration-api and hmpps-probation-integration-services. He implemented secure onboarding using public-key cryptography to protect credentials in transit, removed deprecated endpoints to reduce operational risk, and improved CI/CD stability by refining GitHub Actions workflows and upgrading Ruby dependencies. In addition, Matthew reorganized technical documentation to clarify service lifecycles and improve discoverability, introducing a dedicated deprecated services section. He also updated Kubernetes RBAC configurations in cloud-platform-environments, enabling streamlined development access while maintaining governance. His work demonstrated depth in AWS, Kubernetes, YAML, and technical writing.

Overall Statistics

Feature vs Bugs

83%Features

Repository Contributions

7Total
Bugs
1
Commits
7
Features
5
Lines of code
1,126
Activity Months3

Work History

August 2025

1 Commits • 1 Features

Aug 1, 2025

Month: 2025-08 – Focused on strengthening dev environment access control to support faster, secure development cycles. Key feature delivered: RBAC Access Control Update for hmpps-manage-people-on-probation-dev namespace, enabling the development team to access the dev environment. Implementation linked to commit 208b0b8adff9cd7793ca9d8cb439107aef562b86 (PR #35683). Major bugs fixed: None reported this month. Overall impact: improved security governance while reducing time-to-test for new changes, enabling more reliable validation of features in the hmpps-manage-people-on-probation-dev environment. Technologies/skills demonstrated: Kubernetes RBAC configuration, namespace scoping, Git-based change management, collaboration between security and development teams, and change documentation for governance.

January 2025

1 Commits • 1 Features

Jan 1, 2025

Monthly summary for 2025-01 focusing on the ministryofjustice/hmpps-probation-integration-services repo. The month centered on documentation governance and discoverability improvements. No major code bugs were reported this period; the primary deliverable was a structured reorganization of the services documentation with a new deprecated services section, complemented by cross-links to relevant documentation.

November 2024

5 Commits • 3 Features

Nov 1, 2024

November 2024 monthly summary focused on delivering business value through secure onboarding, CI/CD stability, and comprehensive service documentation across two repos. Key platform changes include removal of the PES Client reference data endpoint in pre-production and production, with updated diagrams to reflect the change and preventing PES client access to the endpoint; and the introduction of a secure onboarding method using public-key cryptography to encrypt symmetric keys and credentials before transmission. CI/CD improvements were implemented to harden workflows by skipping repository-writes dependent jobs for Dependabot PRs and upgrading the tech docs publisher Ruby version from 3.1 to 3.2 to maintain compatibility and security. Documentation was added for the Appointment Reminders and Delius service, outlining business need, workflows, and interfaces for automated SMS reminders. Overall, these changes reduce security and operational risk, improve reliability, and enhance maintainability and onboarding for consumers and operators.

Activity

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Quality Metrics

Correctness94.2%
Maintainability94.2%
Architecture94.2%
Performance91.4%
AI Usage20.0%

Skills & Technologies

Programming Languages

BashD2MarkdownSVGYAML

Technical Skills

API IntegrationAWSCI/CDCloud PlatformConfiguration ManagementCryptographyDevOpsDiagrammingDocumentationGitHub ActionsKubernetesKubernetes RBACSecurityTechnical Writing

Repositories Contributed To

3 repos

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

ministryofjustice/hmpps-integration-api

Nov 2024 Nov 2024
1 Month active

Languages Used

BashMarkdownSVGYAML

Technical Skills

API IntegrationAWSCI/CDCloud PlatformConfiguration ManagementCryptography

ministryofjustice/hmpps-probation-integration-services

Nov 2024 Jan 2025
2 Months active

Languages Used

D2Markdown

Technical Skills

DiagrammingDocumentationTechnical Writing

ministryofjustice/cloud-platform-environments

Aug 2025 Aug 2025
1 Month active

Languages Used

YAML

Technical Skills

DevOpsKubernetes RBAC

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