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Niall McMahon

PROFILE

Niall Mcmahon

Niall McMahon engineered robust user management and access control features for the ministryofjustice/laa-landing-page repository, focusing on secure onboarding, role assignment, and data integrity. He refactored backend logic in Java and Spring Boot, implementing GraphQL-based pagination, distributed locking, and PostgreSQL-backed workflows to streamline admin operations and reduce external dependencies. Niall enhanced validation, session persistence, and role-based access control, addressing complex edge cases and enforcing security boundaries between internal and external users. His work included comprehensive integration and unit testing, UI improvements with Thymeleaf and JavaScript, and continuous code quality enhancements, resulting in a maintainable, scalable platform for user administration.

Overall Statistics

Feature vs Bugs

37%Features

Repository Contributions

91Total
Bugs
27
Commits
91
Features
16
Lines of code
15,908
Activity Months6

Work History

October 2025

4 Commits • 2 Features

Oct 1, 2025

October 2025 performance summary for ministryofjustice/laa-landing-page focusing on delivering critical features, fixing data integrity issues, and enhancing admin UX. Key initiatives included refactoring role assignment logic with test enhancements, improving visibility restrictions on the edit screen, preserving firm details during user creation, and enabling multi-firm user listing.

September 2025

12 Commits • 1 Features

Sep 1, 2025

September 2025 performance summary: Delivered a comprehensive overhaul to the landing page's user management, introducing unified user types (INTERNAL/EXTERNAL), new viewer roles, and stronger data integrity controls. Implemented a robust role assignment model, consolidated search criteria, updated UI presentation, removed deprecated endpoints, and enforced constraints to prevent misconfiguration. Fixed critical defects around role naming/assignment between external and internal users and stabilized distributed locking to eliminate stale object exceptions. These changes collectively improve security governance, onboarding accuracy, and operational resilience, enabling faster, safer administration of users for both internal teams and external partners.

August 2025

32 Commits • 6 Features

Aug 1, 2025

August 2025 monthly summary for ministryofjustice/laa-landing-page focused on delivering secure, scalable user management and robust validation while expanding end-to-end testing. Key features and enhancements reduced risk in admin workflows and improved data integrity, enabling safer, more efficient operations for admins and external users.

July 2025

15 Commits • 2 Features

Jul 1, 2025

2025-07 monthly summary for ministryofjustice/laa-landing-page focusing on business value, security, and maintainability. Delivered two major features with strengthened validation and access control, resolved session persistence issues, and completed UI/code quality improvements. These changes improved data integrity, reduced risk of misassigned roles, stabilized user sessions, and enhanced maintainability for the landing page.

June 2025

18 Commits • 3 Features

Jun 1, 2025

June 2025 performance summary for ministryofjustice/laa-landing-page focused on delivering high-impact features, stabilizing admin workflows, and strengthening data reliability. Highlights include a GraphQL cursor-based user pagination overhaul with eager loading and search-backed DB paging, a migration of admin user data (roles & applications) to PostgreSQL with DTOs/ViewModels and robust multi-screen editing flows, and targeted UI routing/test hygiene improvements to stabilize the admin experience. The changes reduce external identity lookups, increase data consistency, and set the stage for faster iterations on user management features.

May 2025

10 Commits • 2 Features

May 1, 2025

May 2025 monthly summary for ministryofjustice/laa-landing-page focused on delivering onboarding and notification features, improving code quality, and enabling robust admin workflows to enhance onboarding automation, reliability, and maintainability.

Activity

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Quality Metrics

Correctness88.8%
Maintainability86.4%
Architecture82.8%
Performance81.0%
AI Usage20.4%

Skills & Technologies

Programming Languages

GradleGroovyHTMLJavaJavaScriptPropertiesSQLTypeScriptXMLYAML

Technical Skills

API DevelopmentAPI IntegrationAccess ControlBackend DevelopmentBuild ConfigurationCSRF ProtectionCachingCheckstyleCode FormattingCode QualityCode RefactoringDatabase IntegrationDatabase ManagementDatabase MigrationDatabase Migrations

Repositories Contributed To

1 repo

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

ministryofjustice/laa-landing-page

May 2025 Oct 2025
6 Months active

Languages Used

JavaJavaScriptPropertiesYAMLHTMLSQLXMLGroovy

Technical Skills

API IntegrationBackend DevelopmentCode QualityDevOpsEmail IntegrationError Handling

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