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Michael Harrison

PROFILE

Michael Harrison

Over a three-month period, this developer contributed to NHSDigital repositories by delivering four features focused on reporting, authentication, and maintainability. Work on nhs-notify-reporting enhanced SQL-based reporting to improve visibility into communication statuses, while updates to nhs-notify-iam-webauth strengthened authentication security and standardized user experience through AWS Cognito and TypeScript. In communications-manager-api, the developer prioritized codebase health with targeted refactoring, reducing technical debt and supporting future scalability. Their approach emphasized clear commit traceability, disciplined DevOps practices, and infrastructure as code using Terraform and HCL, resulting in stable, maintainable systems without introducing user-facing bugs or regressions during the review period.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

9Total
Bugs
0
Commits
9
Features
4
Lines of code
71
Activity Months3

Work History

March 2026

1 Commits • 1 Features

Mar 1, 2026

March 2026: NHSDigital/communications-manager-api focused on codebase health and maintainability through a dedicated maintenance/refactor cycle. Delivered no user-facing features; implemented minor internal changes to simplify future development and improve stability. All changes were small, well-scoped commits aimed at reducing technical debt and aligning the codebase with long-term maintainability goals. Commit: 89c6537442cf212f9f426cf145125524bf380dd1 (+minor).

January 2025

7 Commits • 2 Features

Jan 1, 2025

Jan 2025 monthly summary for NHSDigital/nhs-notify-iam-webauth: Delivered security-focused authentication enhancements and UX/URL standardization. Implemented Cognito token lifetime adjustments (access/ID/refresh), with refresh token validity set to 12 hours; updated production and sandbox configurations; removed sandbox client secret to strengthen security. Improved authentication UX by fixing LoginStatus UI IDs; standardized logout redirect URLs across environments; and removed trailing slashes from callback and related URLs to ensure consistent redirect behavior. Result: stronger security posture, reduced configuration drift between prod and sandbox, and smoother, reliable user login/logout experience. Technologies demonstrated: Cognito policies, environment-specific config management, UI/UX QA for auth flows, and robust URL normalization.

December 2024

1 Commits • 1 Features

Dec 1, 2024

December 2024 monthly summary for NHSDigital/nhs-notify-reporting. Focused on delivering accurate reporting improvements for completed communications and ensuring CI/CD stability through tooling updates. This month delivered business value by improving visibility into plan status and reducing manual reconciliation.

Activity

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Quality Metrics

Correctness86.6%
Maintainability89.0%
Architecture84.4%
Performance80.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

HCLSQLShellTerraformTypeScripttsx

Technical Skills

AWSAWS CognitoCloud InfrastructureCognitoDatabaseDevOpsFront End DevelopmentInfrastructure as CodeReactReportingTerraformTypeScript

Repositories Contributed To

3 repos

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

NHSDigital/nhs-notify-iam-webauth

Jan 2025 Jan 2025
1 Month active

Languages Used

HCLTerraformTypeScripttsx

Technical Skills

AWSAWS CognitoCloud InfrastructureCognitoDevOpsFront End Development

NHSDigital/nhs-notify-reporting

Dec 2024 Dec 2024
1 Month active

Languages Used

SQLShell

Technical Skills

DatabaseDevOpsReporting

NHSDigital/communications-manager-api

Mar 2026 Mar 2026
1 Month active

Languages Used

No languages

Technical Skills

No skills