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Michael Harrison

PROFILE

Michael Harrison

Michael Harrison enhanced authentication and reporting features across NHSDigital/nhs-notify-reporting and nhs-notify-iam-webauth repositories over a two-month period. He expanded reporting capabilities by refining SQL queries to include additional plan statuses, improving business visibility and reducing manual reconciliation. In parallel, Michael strengthened authentication flows by updating AWS Cognito token lifetimes, aligning production and sandbox configurations, and removing sensitive secrets to bolster security. He also standardized URL handling and improved UI consistency using React and TypeScript. His work demonstrated a strong grasp of DevOps practices, infrastructure as code with Terraform, and secure cloud infrastructure, delivering targeted improvements without introducing regressions.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

8Total
Bugs
0
Commits
8
Features
3
Lines of code
71
Activity Months2

Work History

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

Correctness90.0%
Maintainability92.6%
Architecture87.4%
Performance82.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

HCLSQLShellTerraformTypeScripttsx

Technical Skills

AWSAWS CognitoCloud InfrastructureCognitoDatabaseDevOpsFront End DevelopmentInfrastructure as CodeReactReportingTerraformTypeScript

Repositories Contributed To

2 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

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