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jonathanDuffy

PROFILE

Jonathanduffy

Jonathan Duffy contributed to the hmcts/opal-fines-service and hmcts/opal-frontend repositories by building and enhancing automated test coverage, improving data validation, and stabilizing critical workflows. He implemented integration and component tests using Java, TypeScript, and Cypress, focusing on traceability and reliability for both backend and frontend features. Jonathan addressed issues such as draft account publishing failures and improved test data cleanup, ensuring robust data integrity and faster feedback cycles. His work included refining SQL persistence for error reporting and enhancing user-facing flows like account navigation and validation, demonstrating depth in backend development, database management, and automated testing practices.

Overall Statistics

Feature vs Bugs

71%Features

Repository Contributions

7Total
Bugs
2
Commits
7
Features
5
Lines of code
1,013
Activity Months5

Work History

March 2026

1 Commits

Mar 1, 2026

March 2026 monthly summary for hmcts/opal-fines-service: Focused on stabilizing the draft publishing workflow by implementing explicit failure status handling, adding integration tests, and updating persistence to capture failure messages. These changes improve reliability and observability, enabling faster issue diagnosis and better downstream reporting across the service.

December 2025

2 Commits • 1 Features

Dec 1, 2025

December 2025 monthly summary for hmcts/opal-frontend: Delivered critical front-end enhancements for account navigation within paginated results and table sorting, coupled with robust test reliability improvements in the nightly CI. The work focused on stabilizing user workflows and test outcomes, directly supporting faster onboarding and reduced maintenance costs.

August 2025

1 Commits • 1 Features

Aug 1, 2025

Aug 2025: Enhanced frontend data validation coverage for the FinesMacManualFixedPenalty flow in hmcts/opal-frontend. Expanded test coverage to validate critical fields (first name, last name, date of birth, address, notice number, registration number, driving licence number, offence details, amount imposed) and added tests for invalid formats, length limits, and special characters to ensure robust data validation. This strengthens data integrity, reduces production validation errors, and accelerates feedback loops for QA and downstream processes.

July 2025

2 Commits • 2 Features

Jul 1, 2025

July 2025: Focused on elevating test quality and reliability across two services, delivering business value through early issue detection, safer test data management, and faster feedback cycles for releases. Demonstrated Java-based test automation and integration testing skills, with explicit improvements in coverage and cleanup workflows.

April 2025

1 Commits • 1 Features

Apr 1, 2025

April 2025 monthly summary for hmcts/opal-fines-service focusing on test traceability improvements for integration tests and alignment with project requirements.

Activity

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Quality Metrics

Correctness92.8%
Maintainability88.6%
Architecture82.8%
Performance85.8%
AI Usage22.8%

Skills & Technologies

Programming Languages

GherkinJavaJavaScriptSQLTypeScript

Technical Skills

API TestingBackend DevelopmentComponent TestingCucumberCypressFront End DevelopmentIntegration TestingJUnitJavaJavaScriptRestAssuredSpring BootTypeScriptUnit Testingbackend development

Repositories Contributed To

3 repos

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

hmcts/opal-fines-service

Apr 2025 Mar 2026
3 Months active

Languages Used

JavaGherkinSQL

Technical Skills

Integration TestingJUnitJavaSpring BootAPI TestingBackend Development

hmcts/opal-frontend

Aug 2025 Dec 2025
2 Months active

Languages Used

JavaScriptTypeScript

Technical Skills

Component TestingCypressFront End DevelopmentJavaScriptTypeScriptUnit Testing

hmcts/opal-user-service

Jul 2025 Jul 2025
1 Month active

Languages Used

Java

Technical Skills

API TestingBackend DevelopmentIntegration Testing