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justin gardiner

PROFILE

Justin Gardiner

Justin Gardiner engineered end-to-end licensing and caseload management features across the ministryofjustice/create-and-vary-a-licence and related repositories, focusing on robust API development, data modeling, and UI/UX refinement. He delivered new endpoints and workflows for licence creation, recall handling, and COM allocation, using TypeScript, Java, and Spring Boot to ensure data integrity and operational reliability. His work included domain event integration, feature flagging, and audit trail enhancements, improving governance and deployment safety. By modernizing dependencies, refining access control, and aligning UI with business processes, Justin demonstrated depth in backend and frontend development while addressing security, maintainability, and user experience.

Overall Statistics

Feature vs Bugs

85%Features

Repository Contributions

127Total
Bugs
9
Commits
127
Features
51
Lines of code
28,189
Activity Months10

Work History

October 2025

26 Commits • 9 Features

Oct 1, 2025

October 2025 delivered substantial end-to-end improvements across licensing workflows, data models, and API surfaces, driving safer licence creation, stronger recall guidance, improved governance, and richer data for reporting. Key outcomes include: (1) a more robust licence creation flow with explicit user confirmation, recall-status visibility, and corrected gate logic; (2) reworked early-release banners and UI messaging for consistent guidance and EPF-2 naming alignment; (3) strengthened licence access control and caseload sorting to show releases chronologically and restrict cross-team access; (4) metadata enrichment for licences (licenceKind and eligibleKind) across caseload and licence records to improve recall decisioning and downstream analytics; and (5) API/data-layer stability improvements, including COM caseload sorting, consolidated recall-related email prompts, and fixes to PRRD post-recall release date handling along with enhanced sentence/recall data structures. The work was delivered across three repositories with frontend, backend, and API/data-model changes, underscoring end-to-end capability.

September 2025

17 Commits • 10 Features

Sep 1, 2025

September 2025: API, UI, and governance enhancements across prison-api and licence platforms delivering measurable business value through improved data modeling, enhanced caseload usability, stronger auditability, and security-focused tooling.

August 2025

7 Commits • 3 Features

Aug 1, 2025

August 2025 monthly summary focusing on key accomplishments across two repositories: ministryofjustice/create-and-vary-a-licence and ministryofjustice/create-and-vary-a-licence-api. The month delivered meaningful improvements to user experience in licence management, enhanced visibility and synchronization of COM allocations with Delius, and introduced a new API endpoint with clearer code structure. The work aligns with business value by improving data consistency, reducing manual steps, and enabling staff to act on up-to-date information.

July 2025

31 Commits • 7 Features

Jul 1, 2025

July 2025 performance summary: Delivered cross-repo PRRD data integration features, recall messaging toggle, and PRRD licensing lifecycle support with robust start-date handling; fixed critical surname allocation bug; and stabilized deployments through CI/dependency updates and environment domain-event controls. These efforts unlocked improved data visibility and feedback collection, safer feature rollouts, accurate PRRD activation flows, and stronger security/stability across environments.

June 2025

24 Commits • 8 Features

Jun 1, 2025

June 2025 performance summary focusing on end-to-end domain events, reliability, and governance across three repositories. Key outcomes include: (1) CVL API domain events queues deployed across development, test1, test2, pre-production, and production environments with dead-letter queues, SNS subscriptions for event routing, Terraform configurations, Kubernetes secrets for access, and IRSA policies enabling secure cross-account access; (2) SQS-based domain event listener framework for COM allocation with environment-specific enablement, logging, and safeguards to prevent duplicate processing, including new handlers for prisoner data updates controlled by feature flags; (3) Data model integrity enhancements enforcing non-nullable fields to align with database constraints and strengthen handling of responsibleCom; (4) Deployment and environment reliability improvements with scheduled downtime support across non-production environments via Helm values (including pre-prod); (5) Dependency and tooling upgrades (Gradle) and business-focused enhancements (Licence API type updates, ACO caseload support pages, and pre-prod downtime scheduling).

May 2025

13 Commits • 7 Features

May 1, 2025

May 2025 performance summary for the licence APIs across ministryofjustice/create-and-vary-a-licence-api and ministryofjustice/create-and-vary-a-licence. Focused on observability, security hardening, API expansion, and migration readiness to drive reliability, governance, and faster, safer access to caseload data. Key outcomes include enhanced COM allocation logging with a concurrency test, CodeQL CI integration with permissions hardening, a new Variation Approvers Caseload API, backend migration prep for ACO caseload, and backend-driven caseload retrieval via feature flag and environment flag, complemented by dependency updates and safer logging configurations.

April 2025

2 Commits • 2 Features

Apr 1, 2025

Monthly work summary for 2025-04 focusing on delivering maintenance-driven features (dependency updates) and stability improvements across repositories.

March 2025

4 Commits • 3 Features

Mar 1, 2025

Concise monthly summary for 2025-03 focusing on business value and technical outcomes across three repositories: ministryofjustice/create-and-vary-a-licence, ministryofjustice/hmpps-prisoner-profile, and ministryofjustice/create-and-vary-a-licence-api. Delivered security-focused dependency upgrades, back-link integration to enhance navigation, and library deployment with tests, along with deployment configuration fixes. These efforts improved security posture, user flow, deployment reliability, and test coverage, enabling safer and faster releases.

February 2025

1 Commits • 1 Features

Feb 1, 2025

Monthly summary for Feb 2025: Codebase modernization across ministryofjustice/create-and-vary-a-licence-api, focused on dependency upgrades and Kotlin formatting. Highlights include upgrades of core libraries and tooling (Gradle plugins, Spring Boot, security configurations, PDFBox, PostgreSQL drivers, Gson, Arrow-kt, Hypersistence Utils, HMPPS SQS starter, Springdoc OpenAPI, WireMock, Awaitility, Swagger parser, Testcontainers) to align with supported versions and security patches, and formatting updates to comply with a new ktlint version. A minor Kotlin refactor was performed to adopt a more concise syntax.

December 2024

2 Commits • 1 Features

Dec 1, 2024

December 2024 monthly summary: Focused on dependency hygiene and service reliability. Delivered dependency version updates across ministryofjustice/create-and-vary-a-licence with no behavioral changes, ensuring security, stability, and compatibility. Fixed a Long comparison bug in ComCaseloadService within ministryofjustice/create-and-vary-a-licence-api to prevent mis-evaluation and runtime errors. These changes reduce security risk, improve stability, and lay groundwork for future feature work.

Activity

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Quality Metrics

Correctness89.6%
Maintainability89.6%
Architecture87.8%
Performance83.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

CSSDockerfileGradleHCLHTMLJSONJavaJavaScriptKotlinNunjucks

Technical Skills

API DevelopmentAPI IntegrationAPI MockingAPI integrationAWSAWS SNSAWS SQSAuditingBack End DevelopmentBack-end DevelopmentBackend DevelopmentBackend developmentBuild AutomationBuild Tool ConfigurationBuild Tools

Repositories Contributed To

6 repos

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

ministryofjustice/create-and-vary-a-licence-api

Dec 2024 Oct 2025
10 Months active

Languages Used

GradleKotlinYAMLJavaShellSQL

Technical Skills

Backend DevelopmentBuild AutomationDependency ManagementCode FormattingGradleKotlin

ministryofjustice/create-and-vary-a-licence

Dec 2024 Oct 2025
9 Months active

Languages Used

JavaScriptTypeScriptCSSDockerfileHTMLJavaPythonShell

Technical Skills

Backend DevelopmentDependency ManagementBuild AutomationSoftware MaintenanceFull Stack DevelopmentNode.js

ministryofjustice/cloud-platform-environments

Jun 2025 Jul 2025
2 Months active

Languages Used

HCLJSONTerraform

Technical Skills

AWSCloud PlatformCloud Platform ConfigurationCloud Platform EngineeringDevOpsIAM

ministryofjustice/prison-api

Sep 2025 Oct 2025
2 Months active

Languages Used

JavaKotlin

Technical Skills

API DevelopmentBackend DevelopmentEnum DesignJavaKotlin

ministryofjustice/hmpps-prisoner-profile

Mar 2025 Mar 2025
1 Month active

Languages Used

typescriptyaml

Technical Skills

Backend DevelopmentConfiguration Management

ministryofjustice/licences

Jul 2025 Jul 2025
1 Month active

Languages Used

JavaScriptTypeScript

Technical Skills

Dependency ManagementNode.jsRefactoringTesting

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