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Greg Hawkins

PROFILE

Greg Hawkins

Greg Hawkins delivered robust API and data model enhancements across the ministryofjustice/hmpps-approved-premises-api, focusing on CAS3 V2 booking, bedspace, and reporting features. He engineered end-to-end booking flows, lifecycle management, and archival processes, applying Kotlin, Java, and SQL to ensure data integrity and operational reliability. His work included Flyway-managed migrations, feature-flag rollouts, and concurrency control for safe updates. Greg also improved deployment reproducibility and test automation, integrating Playwright and CI/CD pipelines. By aligning backend models with evolving business needs and strengthening reporting accuracy, he enabled safer, faster decision-making and streamlined operational workflows across multiple interconnected justice sector repositories.

Overall Statistics

Feature vs Bugs

80%Features

Repository Contributions

146Total
Bugs
15
Commits
146
Features
60
Lines of code
82,214
Activity Months13

Work History

October 2025

15 Commits • 7 Features

Oct 1, 2025

Monthly performance summary for 2025-10 focusing on CAS3 V2 enhancements in ministryofjustice/hmpps-approved-premises-api. Delivered a robust set of reporting, data-integrity, and lifecycle features that improve operational decision-making, reporting accuracy, and data quality. Key design patterns include feature-flag controlled rollouts, optimistic and pessimistic locking for data safety, and Flyway-managed reference data migrations. All changes were tracked against commits in the repository and aligned with the product roadmap for CAS3 V2. Impact highlights include: improved bedspace gap analysis, enhanced bedspace searchability, stronger data integrity during updates, and streamlined archival/unarchival workflows for bedspaces and premises."

September 2025

19 Commits • 5 Features

Sep 1, 2025

September 2025 performance summary focused on delivering data integrity, API capabilities, and reproducible deployment workflows across three repositories. Key features delivered include bedspace-centric improvements in the UI, a prototype deployment environment for the Manage application, and CAS3-era enhancements around archive readiness, bedspace APIs, and reporting. Major bug fixes targeted test stability and code quality, enabling safer releases. The work yields clearer business value: reduced booking ambiguity through standardized bedspace terminology, improved data retention and archive readiness, faster, reproducible environments for staging/validation, and richer API and reporting capabilities for operations and planning.

August 2025

33 Commits • 14 Features

Aug 1, 2025

August 2025 monthly summary focusing on CAS3 V2 enhancements in hmpps-approved-premises-api and Bedspace V2 improvements in the temporary-accommodation-ui. Delivered key features for CAS3 departures and confirmations, extended CAS3 V2 with turnarounds/extensions/data model, and completed migrations and test stabilization in the UI. Achieved strong business value through accelerated CAS3 booking processing, reliable turnaround handling, and increased UI stability, with ongoing emphasis on code quality, lint/typecheck fixes, and test automation.

July 2025

7 Commits • 3 Features

Jul 1, 2025

July 2025 monthly summary focusing on delivering scalable CAS3 V2 capabilities, strengthening data integrity, and laying the groundwork for safe production deployments in the hmpps ecosystem. Key outcomes include new Booking Management API endpoints (get by ID, search) and Booking Lifecycle endpoints (arrivals and cancellations) with domain events and status management; reinstatement of foreign key constraints to ensure referential integrity for cas3_void_bedspaces; and prototype deployment scaffolding for hmpps-single-accommodation-service to support future feature development and reliable deployments. The work delivered measurable business value: faster, more reliable booking operations, improved data consistency, safer deployment practices, and clearer traceability through commit-level changes. Skills demonstrated include API design, data modeling, domain events, test coverage, and cloud-native deployment practices (Kubernetes, RBAC, resource quotas, network policies, basic auth, ECR, and provider configurations).

June 2025

8 Commits • 2 Features

Jun 1, 2025

June 2025 monthly summary for ministryofjustice/hmpps-approved-premises-api: Delivered CAS3-aligned data model and v2 bookings capabilities, implemented data migrations, fixed race condition in NOMIS user creation, and refactored bedspace/premises for CAS3 v2 to strengthen data integrity and booking flow, enabling scalable API coverage and improved business reliability.

May 2025

8 Commits • 1 Features

May 1, 2025

Monthly performance summary for 2025-05 highlighting delivery of features, critical fixes, and overall impact across three repositories. Demonstrated strong security posture, robust data modeling, and reliable UI data flows that translate into clearer dashboards and safer user interactions.

April 2025

9 Commits • 4 Features

Apr 1, 2025

April 2025 performance summary highlighting key features delivered, major bugs fixed, overall impact, and technologies demonstrated across three repositories. Delivered CAS2 status management improvements, API spec cleanup, Playwright E2E environment setup, transferred applications UI enhancements, automated environment configuration, and E2E stability improvements. These efforts improved API reliability, data accuracy in the UI, and test confidence while streamlining developer onboarding and deployment workflows.

March 2025

13 Commits • 5 Features

Mar 1, 2025

March 2025 was focused on delivering business-value features, stabilizing test automation, and simplifying configuration across three repositories. Key changes include removing an obsolete inmate details cache refresh feature flag and migrating control to a dedicated service, enabling permanent operation with simplified deployment. We added and stabilized Playwright-based End-to-End (E2E) tests in CI for CAS3, and improved tests by aligning to the main branch for UI tests. We extended staff data handling by integrating NOMIS User Roles API lookups, improving data persistence during CAS2 allocations and reducing gaps when staff info is missing. In the Temporary Accommodation UI, we enabled comprehensive Playwright E2E testing in CI, introduced structured test data and artifact handling, and delivered end-to-end tests for property management. Finally, we stabilized CAS-2 E2E tests in the Community Accommodation Tier-2 UI by updating test data to reflect correct user configurations, reducing flaky test outcomes. Collectively, these efforts improved release confidence, reduced manual intervention, and strengthened data consistency and test reliability.

February 2025

12 Commits • 8 Features

Feb 1, 2025

February 2025 monthly performance summary for development teams. The work focused on delivering safer, more scalable testing, improved data realism, and better observability across three repositories, with tangible business value in testing reliability, deployment safety, and performance. Key outcomes include seed data realism improvements for space bookings, a modernized inmate-details cache refresh to reduce Redis contention, runtime configurability for overbooking summaries, a Playwright-based end-to-end testing framework for the Temporary Accommodation UI, and a strategic deprecation/migration of load tests to a dedicated repository. These efforts enhanced data quality for testing, improved operational performance, and strengthened the CI/CD feedback loop and observability. Highlights by area: - Alignment with realistic test data and scenarios to uncover edge cases earlier in development. - Reducing production risk through improved caching strategies and runtime feature flags. - Establishing automated end-to-end coverage for critical user journeys with Playwright, improving reliability of deployments. - Clearer tests strategy with migration of load tests to a centralized testing repository for maintainability and reuse.

January 2025

2 Commits • 2 Features

Jan 1, 2025

January 2025 performance summary for the development team. Delivered cross-repo UX and data-layer improvements that enhance admin efficiency, data clarity, and front-end reliability across the HM PPS Approved Premises platform. Implemented a UI refactor to consolidate placement request summaries on the admin show page and updated the API to support new departure reasons with front-end sorting, resulting in more consistent ordering and easier maintenance.

December 2024

5 Commits • 3 Features

Dec 1, 2024

December 2024 — Contributed to the ministryofjustice/hmpps-approved-premises-ui by delivering key occupancy-related features, enhancing context for decision-makers, and stabilizing end-to-end tests. Focus areas included occupancy workflow improvements, enhanced matching details, quick-access key person information, and robust test reliability across the Occupancy View and Placement Request Page.

November 2024

14 Commits • 5 Features

Nov 1, 2024

November 2024 monthly summary: Delivered measurable business value and technical resilience across API, UI, and testing layers. Highlights include enhanced visibility of space bookings, safer arrival/departure handling via idempotent endpoints, and data-enablement for offences from AP and Delius via feature-flag controlled integrations. Strengthened quality and deployment confidence with dedicated end-to-end testing setup aligned to dev-upstream AP tools and refreshed test data. Demonstrated robust use of feature flags, data-model evolution (offence ID to String), and API/UI integration that supports safer, faster decision-making for placements.

October 2024

1 Commits • 1 Features

Oct 1, 2024

October 2024 (2024-10): Delivered data integrity improvements for AP Delius Documents and prepared preprod testing for document retrieval. Enforced non-null createdAt on AP Delius Documents and activated the GET-DOCUMENTS-FROM-AP-DELIUS feature flag in preprod to enable end-to-end testing and safer production rollout.

Activity

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Quality Metrics

Correctness91.6%
Maintainability91.4%
Architecture89.2%
Performance84.8%
AI Usage21.2%

Skills & Technologies

Programming Languages

BashEnvironmentGherkinHCLHTMLJavaJavaScriptKotlinMarkdownNunjucks

Technical Skills

API DevelopmentAPI IntegrationAPI Integration TestingAPI RefactoringAPI SpecificationAPI stubbingBack End DevelopmentBackend DevelopmentBackend IntegrationCI/CDCI/CD ConfigurationCI/CD configurationCachingCloud Platform ConfigurationCode Cleanup

Repositories Contributed To

5 repos

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

ministryofjustice/hmpps-approved-premises-api

Oct 2024 Oct 2025
12 Months active

Languages Used

KotlinYAMLJavaSQLMarkdown

Technical Skills

API DevelopmentBackend DevelopmentConfiguration ManagementAPI IntegrationData ModelingData Transformation

ministryofjustice/hmpps-temporary-accommodation-ui

Nov 2024 Sep 2025
7 Months active

Languages Used

EnvironmentMarkdownTypeScriptGherkinJavaScriptYAMLdotenvBash

Technical Skills

API Integration TestingConfiguration ManagementDevOpsEnd-to-End TestingEnd-to-end testingTest Data Management

ministryofjustice/hmpps-community-accommodation-tier-2-ui

Feb 2025 May 2025
4 Months active

Languages Used

JavaScriptTypeScriptNunjucksShell

Technical Skills

API Integration TestingBackend DevelopmentFront End DevelopmentIntegration TestingPact TestingTest Data Generation

ministryofjustice/hmpps-approved-premises-ui

Nov 2024 Jan 2025
3 Months active

Languages Used

JavaScriptNunjucksTypeScript

Technical Skills

Back End DevelopmentExpress.jsFront End DevelopmentJavaScriptNode.jsNunjucks

ministryofjustice/cloud-platform-environments

Jul 2025 Sep 2025
2 Months active

Languages Used

HCLYAMLTerraform

Technical Skills

Cloud Platform ConfigurationKubernetesTerraform

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