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Andrzej Prochyra

PROFILE

Andrzej Prochyra

Over six months, contributed to multiple GOV.UK Pay repositories, focusing on backend and frontend improvements using Java, CSS, and Cypress. In alphagov/pay-connector, delivered Adyen payment cancellation features, robust error handling, and parameterized gateway responses, enhancing reliability and maintainability. Enhanced test infrastructure with JUnit and mocking frameworks, and improved documentation across several repositories to streamline onboarding and developer experience. In alphagov/pay-selfservice, unified responsive image styling and introduced accessibility testing documentation. For alphagov/pay-webhooks, implemented comprehensive webhook delivery logging, retry mechanisms, and expanded live data allow-lists. Emphasized code readability, integration testing, and technical writing to support long-term project sustainability.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

33Total
Bugs
0
Commits
33
Features
16
Lines of code
7,902
Activity Months6

Work History

June 2026

5 Commits • 3 Features

Jun 1, 2026

Concise monthly summary of key features delivered, major bugs fixed, and overall impact for 2026-06 across pay-connector and pay-webhooks. Highlights include robust Adyen cancellation handling, parameterized gateway responses for improved error handling, and expanded live data allow-list to support more domains. These changes enhance reliability, developer ergonomics, and business risk mitigation while maintaining strong test coverage and traceability.

May 2026

8 Commits • 2 Features

May 1, 2026

May 2026: Delivered Adyen cancellation capability and strengthened Adyen test infrastructure in alphagov/pay-connector. The work delivers business value by enabling cancellation flows and improving test reliability and maintainability. Key outcomes: Adyen cancellation support integrated with provider architecture; enhanced testing with a dedicated AdyenCheckoutMockClient and LogUnit-based tests; deterministic test timing.

April 2026

1 Commits • 1 Features

Apr 1, 2026

April 2026 — Alphagov/pay-webhooks: Delivered enhanced webhook delivery observability and reliability. Implemented comprehensive logging for webhook message delivery (attempts, outcomes, errors) and robust retry mechanisms; added tests to validate logging and error handling during delivery. The changes improve troubleshooting, reduce failed deliveries, and empower proactive monitoring through better metrics and observability.

March 2026

1 Commits • 1 Features

Mar 1, 2026

2026-03 monthly summary for alphagov/pay-selfservice: Key feature delivered was Cypress Accessibility Testing Documentation, detailing how to perform accessibility checks in Cypress tests using wick-a11y. This documentation equips developers to implement accessibility checks in test suites and CI. No major bugs fixed this period. Overall impact includes improved accessibility testability, faster onboarding, and stronger alignment with accessibility goals. Technologies demonstrated include Cypress, wick-a11y, and documentation processes, with a committed change under PP-15134 (426599949a8cd19fef8f5cb5c3ab02e0cb006625).

December 2025

15 Commits • 7 Features

Dec 1, 2025

December 2025 monthly summary focusing on key accomplishments, major fixes, and business impact across six repositories. This period emphasized test modernization, documentation quality, and developer experience to improve reliability, onboarding, and speed of delivery.

November 2025

3 Commits • 2 Features

Nov 1, 2025

Month: 2025-11. In alphagov/pay-selfservice, delivered key UI and code quality improvements focused on visual consistency and maintainability. Implemented centralized responsive image styling, introducing a max-width CSS class and replacing per-image inline styles to align the payment link image with the rest of the app. Enforced Prettier formatting across the codebase, including updating image imports to single quotes in application.scss, aligning with the project’s formatting rules. These changes reduce visual regressions, simplify future UI changes, and improve overall code quality.

Activity

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Quality Metrics

Correctness97.6%
Maintainability95.2%
Architecture96.4%
Performance94.6%
AI Usage20.6%

Skills & Technologies

Programming Languages

HTMLJavaJavaScriptMarkdownSassYAML

Technical Skills

API designAPI developmentAPI integrationCSSCypressHTMLIntegration TestingJUnitJavaObject-Oriented ProgrammingREST APISassTest AutomationTestingUnit Testing

Repositories Contributed To

7 repos

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

alphagov/pay-connector

Dec 2025 Jun 2026
3 Months active

Languages Used

MarkdownJava

Technical Skills

documentationtechnical writingAPI integrationIntegration TestingJUnitJava

alphagov/pay-publicapi

Dec 2025 Dec 2025
1 Month active

Languages Used

JavaMarkdown

Technical Skills

API developmentIntegration TestingJUnitJavaTest Automationdocumentation

alphagov/pay-selfservice

Nov 2025 Mar 2026
2 Months active

Languages Used

HTMLJavaScriptSassMarkdown

Technical Skills

CSSHTMLSassfront end developmentCypresstesting

alphagov/pay-webhooks

Dec 2025 Jun 2026
3 Months active

Languages Used

MarkdownJavaYAML

Technical Skills

documentationtechnical writingJavabackend developmentintegration testingunit testing

alphagov/pay-publicauth

Dec 2025 Dec 2025
1 Month active

Languages Used

Markdown

Technical Skills

API designdocumentationintegration testingreadability improvement

alphagov/pay-ledger

Dec 2025 Dec 2025
1 Month active

Languages Used

Markdown

Technical Skills

documentationtechnical writing

alphagov/pay-products

Dec 2025 Dec 2025
1 Month active

Languages Used

Markdown

Technical Skills

documentationreadability improvement