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pfcairns

PROFILE

Pfcairns

Over 18 months, contributed to the ministryofjustice/hmpps-accredited-programmes-api and related repositories by designing and delivering robust backend features for accredited programme management, risk assessment, and referral workflows. Leveraging Kotlin, Java, and Spring Boot, implemented API endpoints, data models, and integration logic to support session scheduling, risk predictor integration, and secure, scalable infrastructure. Applied DevOps practices with Terraform, Kubernetes, and CI/CD pipelines to streamline deployments and environment provisioning. Enhanced data integrity and operational reliability through rigorous integration testing, database migrations, and code refactoring. The work enabled faster feature delivery, improved data quality, and supported business-critical decision-making across justice sector services.

Overall Statistics

Feature vs Bugs

90%Features

Repository Contributions

272Total
Bugs
11
Commits
272
Features
96
Lines of code
212,307
Activity Months18

Your Network

672 people

Work History

April 2026

11 Commits • 7 Features

Apr 1, 2026

April 2026 monthly summary for the HM Prison & Probation Service Accredited Programmes APIs and cloud environments. Delivered targeted features and reliability improvements across CI/CD, service design, data integration, and preproduction infrastructure. Focused on business value: faster, more stable releases; safer, testable code; and scalable, secure preproduction environments for data growth.

March 2026

31 Commits • 13 Features

Mar 1, 2026

March 2026: Drove platform modernization across HMPS accredited-programmes services to accelerate releases, improve reliability, and strengthen governance. Delivered CI/CD modernization, toolchain upgrades, and infrastructure-as-code enhancements across API, UI, and environments, with focused business value such as faster deploys, safer rollouts, and improved observability.

February 2026

19 Commits • 10 Features

Feb 1, 2026

February 2026 performance summary: Across API, UI, and cloud platform, delivered features that improve data integrity, workflow richness, and deployment reliability, while strengthening test infrastructure. Key accomplishments include session notes history with attendee note exposure; session attendance endpoint with referral-ID-based logic; support for multiple session schedule types including catch-up sessions with scheduling gap handling; nDelius appointment update support; extended risk modeling with lastUpdated/dateRetrieved and PNI-integrated mappings; refreshed SARA risk level mappings; expanded test infrastructure with dynamic CRN generation, WireMock mappings for API risk predictor, and test code cleanup; UI build and deployment improvements through explicit image naming and registry changes; and initial Terraform-based dev environment configuration for cloud deployments. These outcomes improve risk assessment accuracy, reduce defects in release cycles, and enable faster end-to-end delivery of capabilities across API, UI, and operations.

January 2026

16 Commits • 4 Features

Jan 1, 2026

In January 2026, the accredited programmes ecosystem advanced session orchestration, data integrity, and testing maturity to accelerate delivery of business value. Delivered end-to-end session management capabilities, standardized offence naming, and improved risk assessment resilience, while modernizing testing with containerized integration tests and dependency management. These efforts reduce manual intervention, lower risk in production changes, and enable faster, safer feature iterations across the two core repositories.

December 2025

8 Commits • 4 Features

Dec 1, 2025

December 2025 monthly summary focused on delivering core program management capabilities, strengthening risk assessment, and aligning ARNS risk predictor integration across APIs. Key features delivered include accredited programme management with templates, modules, sessions, attendance tracking, and NDelius appointments, plus the associated data model, migrations, and seed data (Building Choices). Referral filters were enhanced to support cohort, LDC, and region with improved handling of missing regions and deprecated unused endpoints. Risk assessment capabilities were expanded with OGRS4 predictors via the ARNS API, including new API client, DTOs, deterministic risk outputs, and refactored services and tests. Cross-repo alignment ensured ARNS risk predictors are implemented consistently in both accredited-programmes-manage-and-deliver-api and accredited-programmes-api. Overall, these changes deliver tangible business value: streamlined programme management, more accurate and reproducible risk assessments, and a cleaner, more robust API surface. Technologies demonstrated include Flyway migrations, advanced entity modeling, API client design, DTOs, integration testing, test data management, and region-based filtering logic.

November 2025

2 Commits • 2 Features

Nov 1, 2025

November 2025 performance summary for ministryofjustice/hmpps-accredited-programmes-api. Delivered two major features with strong test coverage, enhancing business value and system reliability. Case List View: Sorting Tests and Referral Retrieval Parameter Adjustments — added comprehensive integration tests for sorting by sentence type (ascending/descending) across pages and refined referral view retrieval parameters. Withdraw and Re-enable Course Offerings — enabled lifecycle control for course offerings, updating OfferingRepository to locate offerings regardless of withdrawn status and updating CourseService to manage withdrawal and referable status; both with integration tests. These changes reduce regression risk, improve data accuracy, and empower operations to manage offerings more effectively.

October 2025

7 Commits • 3 Features

Oct 1, 2025

October 2025 focused on delivering cross-repo enhancements for accredited programmes APIs, improving data capture, governance, and group management. Key work included extending the Rosh Analysis model and API endpoints with additional fields for richer risk assessment data, improving sentence-type accuracy by filtering inactive sentences and refactoring KeyDateType, and adding Millsike (HMP) as an organization to support data management for accredited programs. In the manage-and-deliver API, Group Management enhancements were delivered via a new GroupController with a GET endpoint for detailed group information, enhanced waitlist exposure through SQL view adjustments, improved allocation display with filtering/pagination, and centralized referral status retrieval through repository queries. These changes reduce data gaps, boost operational efficiency, and enable scalable risk and group management across facilities.

September 2025

10 Commits • 3 Features

Sep 1, 2025

September 2025 monthly summary for ministryofjustice/hmpps-accredited-programmes-manage-and-deliver-api: Focused on delivering core referral-management capabilities, improving data integrity, and aligning with external data sources to enable faster, more accurate decision-making. Key features delivered include end-to-end delivery location preferences management, a robust referral status lifecycle, and data synchronization with the Oasys system, complemented by a code-quality fix and migration work to support governance and rollout.

August 2025

12 Commits • 6 Features

Aug 1, 2025

Monthly summary for August 2025: Deliveries across two repositories driving offender data access, improved testing, and governance. Key features delivered: - Offence history retrieval from NDelius API: new API endpoint exposed in Referral controller; enhanced data models; error handling for missing data; WireMock-based testing scaffolds. - Referral case list: status-based filtering: added status filtering across controller/service/repository; improved test data generation and integration reliability. - Learning Needs data from OASys (including accommodation): new endpoint to retrieve learning needs; accommodation data included; API client and tests updated. - OASys relationship details endpoint: new endpoint with controller/service/model and tests. - OASys alcohol misuse details endpoint: new endpoint with tests and Swagger updates. - RBAC live-group alignment for accredited-programmes namespaces: RBAC group renamed from devs to live for preprod/prod in cloud-platform-environments. Major bugs fixed: - NDelius offence history: handling missing event numbers; added error handling; improved mocks for NDelius and WireMock mappings. - WireMock mappings refined for offence details and sentence/offence retrieval mocks; added priorities to mappings. Overall impact and accomplishments: - Strengthened end-to-end offender data access with robust integration tests; increased reliability and data quality; improved testability; reduced manual data handling. - Improved security and access governance aligning with live environments. Technologies/skills demonstrated: - Java/Spring REST API design, service/controller patterns; API client integration with NDelius and OASys; WireMock-based testing; data modeling; Swagger doc updates; test coverage improvements; RBAC governance. Business value: - Faster, more reliable offender data retrieval; better decision support; reduced risk from data gaps; improved compliance and auditability.

July 2025

22 Commits • 6 Features

Jul 1, 2025

July 2025 performance summary for the Manage and Deliver Accredited Programmes portfolio. Delivered end-to-end features with a robust domain model, improved reliability of event processing, and established safe deployment and governance foundations for pre-prod and production environments. This work enables faster time-to-value for external integrations, safer releases, and scalable infrastructure.

June 2025

35 Commits • 8 Features

Jun 1, 2025

Month: 2025-06 Overview: This month delivered a mix of customer-facing features, security hardening, and foundational DevOps work across four repositories. The work improves user experience for accreditation workflows, strengthens security and data integrity, and accelerates development and deployment through enhanced environments and event-driven capabilities. Key features delivered: - HSP Details Page in Referral Review: Added a dedicated Healthy Sex Programme details page with backend and frontend components, updated navigation and assess routing to expose the page, and UI refinements to show eligibility override reasons when present with conditional rendering for a clean UI. (APG-907) - Dev environment provisioning for Manage and Deliver Accredited Programmes: Created and configured the development environment (Kubernetes namespace, RBAC, quotas, network policies, ElastiCache, RDS PostgreSQL, IAM service account, certificate management) and performed environment-variable naming refinements and toolbox cleanups to improve developer onboarding and reduce setup time. (APG-919, APG-960) - Domain events infrastructure for DEV: Established domain events handling (SQS queues and DLQ, SNS subscriptions) and associated Terraform adjustments to enable development workflows for HMPPSManage-and-Deliver. (APG-1011) - API security hardening and deployment readiness: Implemented JWT-based authentication with refined filter chains and authenticated access across endpoints; HelloWorld endpoint updated to return JSON; injected AWS RDS truststore for secure DB connectivity and performed related Helm/Terraform deployment cleanups. (APG-1041, related commits) - Infrastructure, deployment, and configuration updates: Postgres testing enhancements, image registry alignment, and Helm values cleanup to improve stability and CI/CD reliability. (Multiple commits across APG-963/APG-1041) Major bugs fixed: - Null-safe scoring for ScoredAnswer: Allowed nullable integer scores in ScoredAnswer and YesNo/Problem implementations; prevents null pointer exceptions and updated integration tests for emotionalCongruence and difficultiesCoping. (APG-944) - Correct offence score for possessing indecent images of under-18s: Updated the offence score to 1 in the database migration and aligned integration tests. (APG-951) - Certificate namespace/name corrections in development: Fixed namespace and secretName references to ensure correct deployment in DEV. (APG-919) Overall impact and accomplishments: - Increased system reliability and data integrity through null-safe scoring and corrected offence scoring, reducing runtime errors and test flakiness. - Accelerated development and rollout capabilities via robust DEV infrastructure, Terraform-managed environment provisioning, and domain events groundwork for future event-driven integrations. - Strengthened security posture with JWT-based access control and encrypted DB connectivity, enabling safer production deployments and easier audits. Technologies/skills demonstrated: - Java/Spring Security with JWT, API design and security hardening - Kubernetes, Terraform, Helm, and CI/CD pipelines - AWS services: RDS PostgreSQL, ElastiCache, IAM, SQS/SNS - Domain events architecture and event-driven thinking - Test automation and integration test coverage improvements

May 2025

16 Commits • 4 Features

May 1, 2025

May 2025 monthly summary for ministryofjustice/hmpps-accredited-programmes-api. Delivered end-to-end Healthy Sex Programme (HSP) offerings and referrals across NAT/national scope, added retrieval and data management endpoints, improved data integrity with migrations and cleanup, integrated PNI score retrieval from Oasys, and enhanced data modeling and code quality. These efforts increased program reach, data accuracy, and developer efficiency, enabling faster referrals, better reporting, and stronger governance for national HSP adoption.

April 2025

12 Commits • 6 Features

Apr 1, 2025

April 2025 monthly summary for ministryofjustice/hmpps-accredited-programmes-api. Key features delivered include user-facing and data-model improvements to referrals, enhancements to referral status, robust handling of Oasys data for PNI calculations, and LearningNeeds. Infrastructure updates were completed to align environments with newer PostgreSQL versions and to remove deprecated ModSecurity settings in Helm. The combined work improves data quality, decision support, API reliability, and operational stability while enabling richer reporting and validation.

March 2025

20 Commits • 3 Features

Mar 1, 2025

March 2025 performance summary for ministryofjustice/hmpps-accredited-programmes-api focusing on delivering business value through analytics, risk assessment integration, and system reliability improvements. The team completed end-to-end features, hardened data integrity, and strengthened observability, enabling data-driven decision making and safer, more scalable operations. Key features delivered: - Referral analytics API enhancements: added an endpoint and data models to retrieve referral statistics (submitted referrals, draft referrals) and average duration, with controller exposure and data model improvements. (Commits include APG-480, APG-768) - PNI risk assessment integration with Oasys: enabled retrieval of PNI calculations from the Oasys API, added data models and a dedicated API client, plus auditing and tests to ensure traceability and reliability. (Commits APG-743, APG-737, APG-786) - Core referral system refactors and reliability improvements: broad refactors across services and controllers, improved logging, concurrency isolation, and ID handling to boost maintainability and runtime stability. (Commits APG-756, APG-796, APG-807, APG-808, APG-818, etc.) Major bugs fixed and stability enhancements: - Cleaned up entity design and persistence behavior (refactoring JPA entities from data classes to regular classes; mutable course assignment versions) to reduce edge-case failures and improve testability. (APG-756, APG-796, APG-807) - Removed spurious configurations and tightened persistence annotations (e.g., removing unnecessary @GeneratedValue, backstopped by a Hibernate upgrade) to fix persistence anomalies. (2aa076fd, 413827f1, 94b982cb) - Strengthened transactional boundaries and added logging around referral fetches to improve observability and data integrity under concurrent access. (57439e6, 29c41c54, 5eb9a85) Overall impact and accomplishments: - Delivered end-to-end analytics and external risk scoring integrations, enabling data-driven decisions and more comprehensive referral insights. - Improved system reliability and maintainability through extensive refactors, stronger data models, and better test coverage. - Enhanced observability and security auditing to support compliance and operational excellence. Technologies and skills demonstrated: - Java with Spring, JPA/Hibernate, REST controllers, and API client integration. - Data model design and refactoring for maintainability and testability. - Auditing, logging, and monitoring improvements; concurrency control and transactional isolation tuning. - Test-driven approaches and ongoing code quality improvements through refactors and upgrades. Business value: - Faster, more reliable analytics for decision makers; safer risk assessments via Oasys integration; reduced risk of data corruption due to architectural improvements; better readiness for scaling and future feature delivery.

February 2025

9 Commits • 3 Features

Feb 1, 2025

February 2025 monthly summary for the ministryofjustice/hmpps-accredited-programmes-api. Key features delivered include lifecycle-aware course participation tied to referral status updates, a Building Choices transfer workflow with new statuses and case notes publishing, and course-specific statistics filtering. These changes improve learner participation tracking, enable seamless transfer of referrals into Building Choices, and enhance reporting granularity. Refactoring introduced a ReferralStatus enum and consolidated outcome-building logic to reduce ambiguity and support business-impact analytics. Across the month, focused stability improvements and integration-test updates validated the new flows.

January 2025

11 Commits • 7 Features

Jan 1, 2025

January 2025 highlights for ministryofjustice/hmpps-accredited-programmes-api: delivered a focused set of API enhancements, risk framework improvements, and stability fixes that together increase data quality, reporting capabilities, and system reliability. The work emphasizes business value through improved risk assessment, richer participation and organisation data, new reporting endpoints, and dependable infrastructure.

December 2024

15 Commits • 2 Features

Dec 1, 2024

December 2024 monthly summary: Key features delivered, critical bug fixes, and engineering improvements across ministryofjustice/hmpps-accredited-programmes-api. Focused on reliable participation lifecycle, visibility by referral, data integrity for risk scoring, accurate course offerings, and dependable data refresh pipelines, while elevating code quality.

November 2024

16 Commits • 5 Features

Nov 1, 2024

November 2024: Delivered a set of cross-cutting product and infrastructure enhancements for the ministryofjustice/hmpps-accredited-programmes-api, focusing on data quality, feature readiness, and production stability. Achievements span robust risk scoring, improved course data exposure, go-live data readiness, activation of case notes, and strengthened DevOps tooling and data models to support infra integrity and security.

Activity

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Quality Metrics

Correctness93.6%
Maintainability90.8%
Architecture90.4%
Performance86.0%
AI Usage21.2%

Skills & Technologies

Programming Languages

BashDockerfileGradleGroovyHCLJSONJavaJavaScriptKotlinMarkdown

Technical Skills

API DevelopmentAPI IntegrationAPI SecurityAPI TestingAPI developmentAPI integrationAPI testingAWSAWS SQSBackend DevelopmentBash ScriptingCI/CDCloud DeploymentCloud EngineeringCloud Infrastructure

Repositories Contributed To

4 repos

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

ministryofjustice/hmpps-accredited-programmes-api

Nov 2024 Apr 2026
15 Months active

Languages Used

GradleJavaKotlinSQLYAMLbashjqshell

Technical Skills

API DevelopmentAPI IntegrationAWSBackend DevelopmentBash ScriptingCode Refactoring

ministryofjustice/hmpps-accredited-programmes-manage-and-deliver-api

Jun 2025 Apr 2026
10 Months active

Languages Used

BashDockerfileGroovyJavaKotlinShellYAMLSQL

Technical Skills

API DevelopmentAPI SecurityAWS SQSBackend DevelopmentCI/CDController Refactoring

ministryofjustice/cloud-platform-environments

Jun 2025 Apr 2026
6 Months active

Languages Used

HCLTerraformYAMLhclyamlNone

Technical Skills

AWSCI/CDCloud EngineeringCloud InfrastructureCloud PlatformCloud Platform Configuration

ministryofjustice/hmpps-accredited-programmes-ui

Jun 2025 Mar 2026
3 Months active

Languages Used

JavaScriptNunjucksTypeScriptYAMLDockerfile

Technical Skills

API DevelopmentAPI IntegrationBackend DevelopmentE2E TestingFrontend DevelopmentIntegration Testing