EXCEEDS logo
Exceeds
David Winchurch

PROFILE

David Winchurch

Over a ten-month period, this developer enhanced operational reliability and data governance across several Ministry of Justice repositories, including hmpps-alerts-api and keyworker-api. They delivered features such as nationwide API activation, scalable data models, and robust configuration management using Java, Kotlin, and Helm. Their work included optimizing error monitoring with Sentry, refining Swagger API documentation, and implementing Kubernetes RBAC for secure, least-privilege access. By updating database schemas, improving deployment allowlists, and enabling environment-specific service rollouts, they strengthened onboarding, testing, and production readiness. Their technical approach emphasized traceable commits, clear documentation, and cross-environment governance to support maintainable, auditable systems.

Overall Statistics

Feature vs Bugs

83%Features

Repository Contributions

26Total
Bugs
3
Commits
26
Features
15
Lines of code
439
Activity Months10

Work History

January 2026

1 Commits • 1 Features

Jan 1, 2026

January 2026 focused on strengthening production access governance within the cloud platform environments. Delivered an RBAC enhancement by adding a new syscon-devs group for hmpps-external-movements-prod, enabling controlled access for developers with traceable changes. This supports least-privilege principles and improves operational readiness for production work.

November 2025

6 Commits • 2 Features

Nov 1, 2025

Month: 2025-11. Focused on strengthening collaboration and production readiness by extending RBAC access across environments in ministryofjustice/cloud-platform-environments. Delivered two feature sets to enable secure, least-privilege access for hmpps-prisons-digital-live-support groups: development namespaces (hmpps-allocate-key-workers-dev and keyworker-api-dev) and preprod/prod namespaces for both allocate-key-workers and keyworker-api. All changes were implemented via explicit RBAC grants with commit history tracked for auditability. No major bugs fixed this month; effort centered on access control, governance, and deployment readiness. Key outcomes include reduced handoffs, streamlined workflows, and clearer boundary enforcement across environments. Technologies/skills demonstrated include Kubernetes RBAC, namespace scoping, version control discipline, and cross-environment governance.

July 2025

2 Commits • 1 Features

Jul 1, 2025

July 2025 monthly summary for ministryofjustice/keyworker-api: Keyworker service enablement delivered for pre-production and production environments, enabling targeted prisons and improving operational availability and testing readiness. This work focused on environment-specific enablement, risk-managed rollout, and alignment with operational continuity goals across ministries.

June 2025

2 Commits • 2 Features

Jun 1, 2025

June 2025 monthly summary for ministryofjustice/keyworker-api focused on delivering high-value features and expanding operational coverage while maintaining reliability. Key accomplishments include delivering two major features that improve data access and unlock further allocations workflows: - NOMIS User API: Increased the get users page size to 3000 to fetch more active users per request, improving data throughput and reducing call volume for large user datasets. - Allocations service for Bronzefield prison (BZI): Enabled the allocations/keyworker API for Bronzefield by updating the configuration KEYWORKER_ENABLED_FOR_PRISONS to include BZI, expanding case allocation capabilities to this site.

May 2025

3 Commits • 2 Features

May 1, 2025

Monthly performance summary for May 2025 covering the ministryofjustice/keyworker-api repository, focusing on observability improvements and API documentation hygiene.

March 2025

1 Commits • 1 Features

Mar 1, 2025

March 2025 focused on strengthening data-layer clarity and maintainability for hmpps-alerts-api. Implemented descriptive database schema comments and updated visual documentation to reflect the current schema, improving developer onboarding, query safety, and long-term maintainability across the repository.

January 2025

4 Commits • 2 Features

Jan 1, 2025

January 2025 highlights: Expanded accessibility testing capabilities by updating deployment allowlists for two UI projects to include UserVision IPs and related ranges; fixed a migrated data author formatting bug to ensure consistent author display; these changes improve testability, security posture, and data quality across services.

December 2024

2 Commits • 1 Features

Dec 1, 2024

Monthly work summary for December 2024 focused on the ministryofjustice/hmpps-alerts-api. Delivered strategic data-model and governance improvements enabling safer migrations and scalable alert data management. Consolidated change set and commit traceability to support future development and audits.

November 2024

4 Commits • 2 Features

Nov 1, 2024

November 2024 monthly summary focusing on delivering nationwide API activation, stabilizing critical data operations, and simplifying Helm chart configurations to improve deployment reliability and testing.

October 2024

1 Commits • 1 Features

Oct 1, 2024

October 2024 monthly summary for ministryofjustice/hmpps-alerts-api: Expanded Prison Alerts Coverage for the South East and East regions, enabling additional prisons in both pre-production and production by updating the SERVICE_ACTIVE_PRISONS setting in Helm values. This enhancement improves alert coverage, monitoring reliability, and incident response readiness. Change implemented as MIAD-236: Enable remaining South East and East prisons (#219).

Activity

Loading activity data...

Quality Metrics

Correctness93.8%
Maintainability96.2%
Architecture92.4%
Performance92.4%
AI Usage20.0%

Skills & Technologies

Programming Languages

JavaKotlinMarkdownMermaidSQLTypeScriptYAML

Technical Skills

API DevelopmentAPI DocumentationAPI IntegrationArchitecture Decision RecordsBackend DevelopmentCloud InfrastructureConfiguration ManagementData ModelingDatabase DesignDatabase ManagementDevOpsDocumentationError MonitoringHelmKubernetes

Repositories Contributed To

7 repos

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

ministryofjustice/keyworker-api

May 2025 Jul 2025
3 Months active

Languages Used

JavaKotlinYAML

Technical Skills

API DevelopmentAPI DocumentationBackend DevelopmentConfiguration ManagementData ModelingError Monitoring

ministryofjustice/cloud-platform-environments

Nov 2025 Jan 2026
2 Months active

Languages Used

YAML

Technical Skills

Cloud InfrastructureDevOpsKubernetesRBAC

ministryofjustice/hmpps-alerts-api

Oct 2024 Mar 2025
4 Months active

Languages Used

YAMLMarkdownMermaidSQL

Technical Skills

Configuration ManagementDevOpsHelmArchitecture Decision RecordsData ModelingDatabase Design

ministryofjustice/hmpps-helm-charts

Nov 2024 Nov 2024
1 Month active

Languages Used

YAML

Technical Skills

DevOpsHelm

ministryofjustice/hmpps-challenge-support-intervention-plan-ui

Jan 2025 Jan 2025
1 Month active

Languages Used

YAML

Technical Skills

Configuration ManagementDevOpsHelm

ministryofjustice/hmpps-alerts-ui

Jan 2025 Jan 2025
1 Month active

Languages Used

YAML

Technical Skills

DevOpsHelm

ministryofjustice/digital-prison-services

Jan 2025 Jan 2025
1 Month active

Languages Used

TypeScript

Technical Skills

Backend Development