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Jack Hellowell

PROFILE

Jack Hellowell

Over a two-month period, contributed to the NHSDigital/personal-demographics-service-api by developing a generic patch request testing framework to streamline patient data update testing and refactoring existing tests for improved consistency. Enhanced the sandbox testing environment, enabling the creation of sandbox patients and stubs to facilitate local development and testing. Improved patch handling for patient name updates by refining patch body construction, renaming parameters for clarity, and expanding test coverage to ensure data integrity. Leveraged Java, JavaScript, and Cucumber/Gherkin to implement robust API development and test automation practices, focusing on maintainability, reliability, and accelerating safe deployment cycles for patient data changes.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

12Total
Bugs
0
Commits
12
Features
3
Lines of code
672
Activity Months2

Work History

July 2025

8 Commits • 2 Features

Jul 1, 2025

Summary for 2025-07: Delivered developer-focused enhancements to the sandbox testing workflow and strengthened patch handling for patient name updates in NHSDigital/personal-demographics-service-api. These changes improve testing isolation, API clarity, data integrity, and test coverage, enabling faster development cycles and more reliable releases.

June 2025

4 Commits • 1 Features

Jun 1, 2025

June 2025 monthly summary for NHSDigital/personal-demographics-service-api: Delivered a generic patch request testing framework for patient data updates, refactored tests to leverage the new framework, centralized patch body generation utilities, and removed an unused temporary tag to clean test features. These changes improve test reliability, reduce maintenance, and accelerate safe deployments of patient data changes.

Activity

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Quality Metrics

Correctness92.4%
Maintainability91.6%
Architecture90.0%
Performance88.4%
AI Usage20.0%

Skills & Technologies

Programming Languages

GherkinJavaJavaScript

Technical Skills

API DevelopmentAPI TestingBackend DevelopmentBehavior Driven DevelopmentCucumber/GherkinJavaJavaScriptKarate DSLRefactoringTest Automation

Repositories Contributed To

1 repo

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

NHSDigital/personal-demographics-service-api

Jun 2025 Jul 2025
2 Months active

Languages Used

JavaJavaScriptGherkin

Technical Skills

API TestingBackend DevelopmentCucumber/GherkinRefactoringTest AutomationAPI Development