hmcts/ccd-data-store-api
Aug 2025 – Oct 2025
3 Months active
Languages Used
JavaGherkinGroovyJSON
Technical Skills
API DevelopmentBackend DevelopmentBuild AutomationCucumberGroovyJSON
Dan Lysiak
PROFILE
Dan Lysiak
Dan Lysiak focused on backend stability and data integrity across the hmcts/ccd-data-store-api and am-role-assignment-service repositories. He implemented defensive programming patterns in Java and Spring Boot, such as cloning caseDetails objects to prevent unintended mutations during validation and mid-event processing, which reduced downstream risk and improved classification accuracy. Dan also streamlined cache management by adopting Caffeine auto-configuration, simplifying YAML-based configuration and reducing boilerplate. He addressed build hygiene by rolling back problematic dependencies and features, ensuring more predictable CI and secure deployments. His work demonstrated depth in backend development, build automation, and configuration, with careful attention to maintainability and risk mitigation.
Overall Statistics
Feature vs Bugs
20%Features
Repository Contributions
5Total
Bugs
4
Commits
5
Features
1
Lines of code
10,932
Activity Months3
Your Network
19 people
Work History
October 2025
2 Commits
Oct 1, 20252025-10 monthly summary for hmcts/ccd-data-store-api focused on stability, risk mitigation, and build hygiene. No new user-facing features delivered this month. Key work consisted of rolling back problematic changes to restore predictable builds and security posture: removal of an access validation bypass feature and reversion of Combined SRT integration and Byte Buddy dependency updates. These actions reduced security exposure, stabilized dependencies, and aligned tests with the current codebase.
2 Commits
Oct 1, 20252025-10 monthly summary for hmcts/ccd-data-store-api focused on stability, risk mitigation, and build hygiene. No new user-facing features delivered this month. Key work consisted of rolling back problematic changes to restore predictable builds and security posture: removal of an access validation bypass feature and reversion of Combined SRT integration and Byte Buddy dependency updates. These actions reduced security exposure, stabilized dependencies, and aligned tests with the current codebase.
October 2025
September 2025
2 Commits • 1 Features
Sep 1, 2025September 2025 Monthly Summary – Key improvements across two repositories focused on data integrity, reliability, and streamlined configuration, aligned with business value and maintainability.
September 2025
2 Commits • 1 Features
Sep 1, 2025September 2025 Monthly Summary – Key improvements across two repositories focused on data integrity, reliability, and streamlined configuration, aligned with business value and maintainability.
August 2025
1 Commits
Aug 1, 2025Monthly summary for 2025-08 highlighting a targeted data integrity fix in hmcts/ccd-data-store-api. Implemented an immutable validation safeguard to prevent side effects by cloning caseDetails before modification, ensuring accurate classification deduction and reducing downstream risk.
1 Commits
Aug 1, 2025Monthly summary for 2025-08 highlighting a targeted data integrity fix in hmcts/ccd-data-store-api. Implemented an immutable validation safeguard to prevent side effects by cloning caseDetails before modification, ensuring accurate classification deduction and reducing downstream risk.
August 2025
Activity
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Quality Metrics
Correctness80.0%
Maintainability80.0%
Architecture80.0%
Performance68.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
GherkinGroovyJSONJavaYAML
Technical Skills
API DevelopmentBackend DevelopmentBuild AutomationCache ManagementConfigurationCucumberGroovyJSONJavaSpring BootSpring Framework
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline
hmcts/am-role-assignment-service
Sep 2025 – Sep 2025
1 Month active
Languages Used
JavaYAML
Technical Skills
Cache ManagementConfigurationSpring Boot