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Dom Belcher

PROFILE

Dom Belcher

Dominic Belcher contributed to several alphagov repositories, focusing on backend enhancements and reliability improvements. He developed features in pay-products to monitor unused payment links and improved webhook validation traceability in pay-webhooks by enhancing logging and context management. In pay-adminusers, Dominic implemented dynamic per-user feature management and expanded public sector email allowlisting, updating validation logic and tests to ensure accuracy. He also removed API token regeneration from pay-products, modernized integration tests to JUnit 5, and refactored test setups for maintainability. His work demonstrated depth in Java, SQL, and backend development, emphasizing robust validation, observability, and maintainable codebases across services.

Overall Statistics

Feature vs Bugs

60%Features

Repository Contributions

5Total
Bugs
2
Commits
5
Features
3
Lines of code
3,541
Activity Months4

Work History

June 2025

1 Commits

Jun 1, 2025

June 2025 monthly summary for alphagov/pay-products: Removed API Token Regeneration in the Products Service, updated tests to JUnit 5, and modernized test setup. The work reduces security surface, simplifies maintenance, and accelerates feedback through faster, more reliable tests. Commit 29b4a0c8f30d24d87f87c1135ed32f133e215a0e (PP-14104).

April 2025

1 Commits

Apr 1, 2025

April 2025 – Alphagov Pay Admin Users: Focused on ensuring reliable recognition of public sector emails in the allowlist. Delivered a targeted bug fix that expands the email allowlist to include rnngroup.ac.uk and updated tests to verify inclusion, improving onboarding and communications with public sector contacts. Key change tracked under commit 0f4c90b3c8108e5fa6b8d1ad1c63091ecca94bf5 (ZD-6080620). Impact includes more accurate email validation, reduced manual interventions, and CI-backed confidence that the public sector domain is recognized consistently. Technologies/skills demonstrated include domain allowlisting, email validation logic, test-driven development, and careful change management with traceable commits.

March 2025

1 Commits • 1 Features

Mar 1, 2025

March 2025 monthly summary for alphagov/pay-adminusers: Delivered dynamic per-user feature management via patch operations, enabling add/remove of features for a user. Updated UserServices to handle 'add' and 'remove' operations on the 'features' path. Validation rules and tests were updated to reflect the new flows, ensuring correctness and safety. This work aligns with the PP-13546 initiative to enhance user patch capabilities.

February 2025

2 Commits • 2 Features

Feb 1, 2025

February 2025 monthly summary focusing on key accomplishments across alphagov/pay-products and alphagov/pay-webhooks. Delivered two high-impact features, improved observability, and strengthened validation traceability. These efforts support business insights, reliability, and faster issue diagnosis.

Activity

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Quality Metrics

Correctness90.0%
Maintainability88.0%
Architecture88.0%
Performance84.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

JavaSQLYAML

Technical Skills

API DevelopmentAPI ValidationBackend DevelopmentDatabase ManagementDatabase QueryingEmail ValidationIntegration TestingJUnit 5LoggingRefactoring

Repositories Contributed To

3 repos

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

alphagov/pay-products

Feb 2025 Jun 2025
2 Months active

Languages Used

JavaYAML

Technical Skills

API DevelopmentBackend DevelopmentDatabase QueryingIntegration TestingJUnit 5Refactoring

alphagov/pay-adminusers

Mar 2025 Apr 2025
2 Months active

Languages Used

JavaSQL

Technical Skills

API DevelopmentBackend DevelopmentDatabase ManagementEmail Validation

alphagov/pay-webhooks

Feb 2025 Feb 2025
1 Month active

Languages Used

Java

Technical Skills

API ValidationBackend DevelopmentLogging