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hepsimo

PROFILE

Hepsimo

Over seven months, Sam Boyd delivered robust API and backend enhancements across the companieshouse/psc-data-api and related repositories. He implemented features such as identity verification, pagination, and controlled service withdrawal, focusing on data integrity, security, and user experience. Using Java, TypeScript, and Docker, Sam refactored controllers, improved error handling, and optimized build and test pipelines to reduce technical debt and increase reliability. His work included dependency upgrades, localization improvements, and CI stabilization, ensuring consistent deployments and maintainable code. Sam’s engineering approach balanced new feature delivery with careful maintenance, resulting in cleaner APIs and more resilient, production-ready services.

Overall Statistics

Feature vs Bugs

68%Features

Repository Contributions

49Total
Bugs
6
Commits
49
Features
13
Lines of code
85,772
Activity Months7

Work History

February 2026

22 Commits • 3 Features

Feb 1, 2026

February 2026 monthly summary for acsp-confirm-client-id-verification-web: Key focus on delivering user-facing DoB validation improvements, mobile UX refinements, and dev-ops stability, with strong emphasis on business value and localization accuracy.

December 2025

1 Commits

Dec 1, 2025

December 2025 — Companies House PSC Data API (companieshouse/psc-data-api). Key features delivered - Stabilized integration tests by aligning the Docker API version, delivering more consistent test results across environments. Major bugs fixed - Implemented a system property workaround to force the correct Docker API version during test runs, preventing Docker CLI errors from outdated clients (ASM-929). Commit: 5e61cd87a7d4ac90085c682ea2506f628f918922. Overall impact and accomplishments - Significantly improved CI reliability and reduced flaky test runs, enabling faster release cycles. Demonstrated strong skills in Docker-based test environment management, configuration of test harnesses, and CI pipeline stabilization. Technologies/skills demonstrated - Docker API version management, test harness configuration, environment property control, CI optimization.

October 2025

1 Commits • 1 Features

Oct 1, 2025

Month 2025-10: Delivered a controlled withdrawal capability for the confirmation-statement-web service by introducing a feature flag that gates access to the entire flow behind the start page. The change includes UI and routing updates to clearly communicate withdrawal status and prevent use of service paths when active, enabling a safe decommission/transition path.

September 2025

2 Commits • 2 Features

Sep 1, 2025

September 2025 monthly summary for the companieshouse/psc-data-api workstream focused on API surface simplification and dependency hygiene. Key changes involved removing deprecated functionality and aligning SDK usage to support future refactoring while maintaining client-facing behavior. The work delivered measurable business value through reduced maintenance burden and a cleaner, more maintainable API surface.

August 2025

5 Commits • 1 Features

Aug 1, 2025

Concise monthly summary for 2025-08: Delivered Identity Verification (IDV) capability within the PSC Data API with data model updates, API integration, and robustness improvements; enhanced error handling and logging; updated tests; aligned renaming across the codebase; and improved observability around IDV flows.

April 2025

8 Commits • 3 Features

Apr 1, 2025

April 2025 monthly summary focusing on feature delivery, reliability improvements, and security/stability upgrades across two repositories. Key features delivered: - CompanyPscService Pagination Enhancement: added default startIndex and itemsPerPage, refactored unit tests to cover new pagination scenarios, and updated dependencies/configuration for compatibility and performance. - PSC List Sorting: sorted PSC lists by created.at for deterministic results and extended IDE test support with JUnit5 Cucumber engine for easier local testing. Major bugs fixed: - SDK Build/Distribution Directory Management: consolidated /dist handling, ensured correct dist artifact generation, and updated .gitignore/include paths to avoid tracking stale artifacts (with tests creating/removing /dist as needed). - Compilation artifacts reliably produced in /dist after fixes. Technologies/skills demonstrated: - Node.js/TypeScript: feature delivery with testing improvements and artifact hygiene. - Java/Spring: dependency upgrades (api-security-java 2.0.8, Spring Boot 3.4.4) and IDE-friendly test enhancements. - Build/CI/CD discipline: artifact management, dependency upgrades, and deterministic data presentation. Overall impact: - Improved API usability and reliability for paging PSC data, deterministic data presentation, and a more stable build/test pipeline, directly contributing to faster development cycles and reduced production risk.

November 2024

10 Commits • 3 Features

Nov 1, 2024

November 2024 monthly summary for companieshouse/psc-data-api: Focused on delivering a major PSC data enhancement with controlled rollout, security hardening, and dependency maintenance. Delivered Individual PSC Full Record Retrieval behind feature flags with controller refactor, updated PSC data steps and transformers, enhanced error handling, and fixed missing links to ensure data integrity. Expanded test coverage for normal and exception scenarios and increased reliability. Strengthened security posture with integration tests for WebSecurityConfig and InternalUserInterceptor, plus cleanup. Performed build maintenance by bumping private-api-sdk-java to the latest version for compatibility and stability. Impact: improved data completeness, controlled rollout risk, and more robust security controls for production use.

Activity

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Quality Metrics

Correctness92.6%
Maintainability91.0%
Architecture90.2%
Performance87.4%
AI Usage22.0%

Skills & Technologies

Programming Languages

DockerfileGherkinHTMLJSONJavaJavaScriptMakefileNunjucksPropertiesTypeScript

Technical Skills

API Client DevelopmentAPI DevelopmentAPI IntegrationAPI SecurityBackend DevelopmentBuild ProcessBuild Process ManagementBuild ToolsCode CleanupCode RefactoringCode RenamingConfiguration ManagementContainerizationContinuous IntegrationController Refactoring

Repositories Contributed To

4 repos

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

companieshouse/acsp-confirm-client-id-verification-web

Feb 2026 Feb 2026
1 Month active

Languages Used

DockerfileHTMLJSONJavaScriptMakefileNunjucksTypeScript

Technical Skills

ContainerizationContinuous IntegrationDependency ManagementDevOpsDockerJavaScript

companieshouse/psc-data-api

Nov 2024 Dec 2025
5 Months active

Languages Used

GherkinJavaPropertiesXML

Technical Skills

API DevelopmentAPI SecurityBackend DevelopmentBuild ToolsCode RefactoringController Refactoring

companieshouse/api-sdk-node

Apr 2025 Apr 2025
1 Month active

Languages Used

JavaScriptTypeScript

Technical Skills

API Client DevelopmentAPI IntegrationBuild ProcessBuild Process ManagementCode CleanupJavaScript

companieshouse/confirmation-statement-web

Oct 2025 Oct 2025
1 Month active

Languages Used

HTMLJavaScriptTypeScript

Technical Skills

Express.jsFeature flaggingFrontend developmentFull stack developmentNode.js