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Christian Strebel

PROFILE

Christian Strebel

Over the past year, this developer delivered features and improvements across axonivy repositories, focusing on backend development, API modernization, and platform upgrades. They enhanced deployment governance in engine-cockpit by introducing production-only views and strengthened maintainability through code refactoring and formatting aligned with ADR-029 standards. Their work included Java and JavaScript development, dependency management, and CI/CD optimization, such as migrating projects to Java 25 and modernizing Docker-based environments. In dev-workflow-ui, they migrated APIs for compliance and improved authentication security. Their contributions emphasized code quality, cross-repo consistency, and performance, resulting in more reliable, maintainable, and future-ready Axon Ivy applications.

Overall Statistics

Feature vs Bugs

83%Features

Repository Contributions

84Total
Bugs
10
Commits
84
Features
50
Lines of code
216,553
Activity Months12

Work History

February 2026

32 Commits • 17 Features

Feb 1, 2026

February 2026 performance highlights focused on platform modernization, Java 25 migration, and business-value improvements. The team advanced cross-repo Java 25 adoption, modernized development environments, and laid groundwork for a cleaner deprecation path for the Rule Engine, while tightening release management and observability.

January 2026

1 Commits • 1 Features

Jan 1, 2026

January 2026 monthly summary focusing on codebase simplification and maintainability for axonivy/demo-projects. Delivered targeted cleanup by removing the rule engine demo, its dependencies, and related documentation, streamlining the project toward core functionality.

December 2025

22 Commits • 10 Features

Dec 1, 2025

December 2025: Delivered targeted features and stability fixes across axonivy/neo, axonivy/demo-projects, axonivy-market/portal, axonivy/engine-cockpit, and axonivy/dev-workflow-ui. Focus areas included front-end asset optimization, REST connectivity enhancements, dependency modernization, security/data-management improvements, and streamlined developer experience. These efforts improve performance, reduce technical debt, enhance security posture, and enable more reliable enterprise workflows.

November 2025

5 Commits • 4 Features

Nov 1, 2025

November 2025 monthly summary focusing on cross-repo EditorConfig encoding flexibility and compliance-driven API migration. Key features delivered include relaxing EditorConfig charset validation across four repositories to enable support for more flexible file encodings: - axonivy/demo-projects: EditorConfig Checker — Disable charset check (commit 50f66e7722a399fb37cda227c1234bc3785a0855) - axonivy/dev.axonivy.com: Flexible Encoding Support in Editorconfig — Disable charset check (commit 9107497fe1a231852f5686a3ae9c90e4a63486a1) - axonivy/engine-cockpit: Flexible charset handling in editorconfig checker — Disable charset check (commit c6a8e0a45666d18049e7a05231fab780050e0d40) - axonivy/dev-workflow-ui: Flexible EditorConfig charset validation (relaxed charset check) — Disable charset check (commit 83aacbd17563d7d8f7b646d69b01e325bd51e825) Additionally, an API migration in axonivy/dev-workflow-ui replaces the restricted ICaseMapBusinessCase API with ICaseMapService to improve functionality and regulatory compliance (commit 49f84d379e636cfaf8b61615315aef04ae57c09b).

October 2025

1 Commits • 1 Features

Oct 1, 2025

Monthly summary for 2025-10 focused on stabilizing and standardizing test dependencies in axonivy/dev-workflow-ui. Implemented centralized test dependency management by consuming JUnit and AssertJ versions from the core BOM, replacing hard-coded references. This change reduces version drift, simplifies maintenance, and improves reproducibility across builds and modules. No critical bugs fixed this month; the work prevents future issues related to mismatched test framework versions. Commit highlight: e79c0e6d9d5f5ad88ca69f8b76dfd6da108c3d00.

July 2025

1 Commits • 1 Features

Jul 1, 2025

July 2025 monthly summary for axonivy/dev-workflow-ui. Focused on API modernization by migrating the Dev Workflow UI to the new ivy-api, enabling compatibility with updated backend services and improving resilience against backend changes. No major bugs reported this month. Delivered a clean, auditable code change with clear traceability to the API migration effort. Business value: smoother integration with backend, reduced risk of API drift, and a foundation for future enhancements.

June 2025

6 Commits • 4 Features

Jun 1, 2025

June 2025 performance summary: Focused on build system modernization, internal API encapsulation, and compatibility fixes to improve reliability and developer velocity across three repositories. Delivered concrete changes that reduce maintenance overhead, strengthen module boundaries, and preserve functionality with updated dependencies. Key deliverables: - axonivy/demo-projects: Build system cleanup and ivy-project-parent version bump (commit f69ed976aa704223c48ba2b7cfb38c0be084f5d1). - axonivy/demo-projects: JUnit Jupiter Params upgrade to 5.13.1 (commit 9287aab36e3d0e710a45a6d6f67dba04dbe93935). - axonivy/engine-cockpit: Internal API encapsulation improvements including moving internal interfaces to restricted (commit b175f824451687eb7ce2063203050f3fb9c75423) and fixing imports to restricted IApplicationConfigurationManager (commit d7b87404cbe6bb66a9158fabf87f3be4cc4f30ee). - axonivy/engine-cockpit: Build stability fix for security system identification by switching to identityProvider().id() after removal of getExternalSecuritySystemName (commit 78c89f367b41cf80546762260d163dc7665c0d2f). - axonivy/dev-workflow-ui: Plain Eclipse Environment version range compatibility fix (commit 86f859cbaee4b57eeb10fa125e4970aee7316a7e). Overall impact: - Improved build reliability and maintainability through cleanup and version upgrades. - Strengthened API boundaries and clearer internal usage, enabling safer refactors and longer-term evolvability. - Maintained security system functionality amid API changes and toolchain updates. - Enhanced developer experience with Eclipse compatibility fixes, reducing onboarding friction. Technologies/skills demonstrated: - Dependency management, POM cleanup, and version upgrades. - API encapsulation, access-control tightening, and import refactoring. - Build stability strategies and identity resolution patterns. - Bug fixing with attention to toolchain compatibility and IDE environments.

May 2025

7 Commits • 6 Features

May 1, 2025

May 2025 Monthly Summary focusing on delivering high-value features and reliability improvements across three repositories, with a strong emphasis on performance, maintainability, and SEO/crawl accuracy for the download portal.

March 2025

4 Commits • 1 Features

Mar 1, 2025

March 2025, axonivy/demo-projects: Summary focusing on delivering CI/CD stability, governance improvements, and code quality. Achievements include CodeOWNERS refactor and Jenkins container collision fix to enhance deployment reliability; session expiration handling robustness with targeted tests and improved error messaging; and comprehensive codebase formatting cleanup to improve readability and maintainability. These efforts reduce operational risk, accelerate onboarding, and establish a solid foundation for consistent deployments and user-session behavior across environments.

January 2025

1 Commits • 1 Features

Jan 1, 2025

January 2025 (2025-01) – axonivy/doc: Documentation Formatting Cleanup. Delivered formatting standardization across documentation files, minor text edits, and consistent newline characters. No functional code changes. This work improves readability, onboarding efficiency, and overall documentation quality with low risk. Commit reference: 6e0ef6054dc2235f560fd8914d7d6cfa1a73adfc (Format doc).

December 2024

3 Commits • 3 Features

Dec 1, 2024

December 2024 Monthly Summary for axonivy development teams focusing on code quality and maintainability improvements across three repositories (dev-workflow-ui, engine-cockpit, web-tester). The work consisted entirely of code formatting cleanups and refactors with no functional changes, aligned to ADR-029 formatting standards. This reduces future defect risk, accelerates feature delivery, and improves onboarding and cross-team collaboration.

November 2024

1 Commits • 1 Features

Nov 1, 2024

November 2024: Implemented Production-Only View in Engine Cockpit by introducing a devMode flag on Application and applying it in EngineInfo, ensuring only production-ready apps are visible to users. Added API-based dev-mode detection (XIVY-14588) to keep visibility accurate, with traceable delivery via commit 5374dbb9750343e842e63659e10e2dc1c4c4cc96. This work reduces user confusion, prevents exposure of non-prod apps, and strengthens deployment governance. Demonstrated skills in feature flag design, API integration, EngineInfo wiring, and delivering auditable, production-focused improvements.

Activity

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Quality Metrics

Correctness95.6%
Maintainability94.2%
Architecture93.4%
Performance93.6%
AI Usage22.0%

Skills & Technologies

Programming Languages

CSSDockerfileGroovyJSONJavaJavaScriptJenkinsfileMarkdownPHPShell

Technical Skills

ADR-029 ComplianceAPI DesignAPI DevelopmentAPI IntegrationAPI RefactoringAPI designAPI integrationAssertJBackend DevelopmentBuild ManagementCI/CDCode CleanupCode FormattingCode Ownership ManagementCode Refactoring

Repositories Contributed To

15 repos

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

axonivy/demo-projects

Mar 2025 Feb 2026
7 Months active

Languages Used

GroovyJavaShellXMLJSONMarkdownYAML

Technical Skills

Backend DevelopmentCI/CDCode CleanupCode FormattingCode Ownership ManagementDevOps

axonivy/engine-cockpit

Nov 2024 Feb 2026
7 Months active

Languages Used

JavaJSONXML

Technical Skills

Backend DevelopmentADR-029 ComplianceCode CleanupJavaRefactoringDependency Management

axonivy/dev-workflow-ui

Dec 2024 Feb 2026
7 Months active

Languages Used

JavaTypeScriptXMLJSONDockerfile

Technical Skills

Code FormattingCode RefactoringJava DevelopmentAPI IntegrationFront-end DevelopmentAssertJ

axonivy-market/portal

Dec 2025 Dec 2025
1 Month active

Languages Used

GroovyJavaXMLYAML

Technical Skills

API IntegrationAPI integrationBackend DevelopmentCI/CDJavaJenkins

axonivy/doc

Jan 2025 Feb 2026
2 Months active

Languages Used

javarstDockerfileGroovyJavaMarkdownShellYAML

Technical Skills

DocumentationTechnical WritingContainerizationContinuous IntegrationDevOpsInternationalization

axonivy/dev.axonivy.com

May 2025 Feb 2026
3 Months active

Languages Used

JavaScriptPHPTwigJSONDockerfile

Technical Skills

Backend DevelopmentError HandlingSEO Best PracticesWeb Developmentconfiguration managementAPI design

axonivy/web-tester

Dec 2024 Feb 2026
2 Months active

Languages Used

JavaXMLYAML

Technical Skills

Code FormattingCode RefactoringJava DevelopmentContinuous IntegrationDockerMaven

axonivy/neo

Dec 2025 Feb 2026
2 Months active

Languages Used

JavaScriptTypeScriptDockerfileJava

Technical Skills

Vitecompression algorithmsfront end developmentDockerJava Development

axonivy/vscode-designer

Feb 2026 Feb 2026
1 Month active

Languages Used

DockerfileJSONJenkinsfileShellTypeScriptYAML

Technical Skills

Continuous IntegrationDevOpsDockerJavaNode.jsTypeScript

axonivy/cms-editor

Feb 2026 Feb 2026
1 Month active

Languages Used

Dockerfile

Technical Skills

ContainerizationDevOpsJava

axonivy/form-editor-client

Feb 2026 Feb 2026
1 Month active

Languages Used

DockerfileJava

Technical Skills

ContainerizationDevOpsJava Development

axonivy/variable-editor

Feb 2026 Feb 2026
1 Month active

Languages Used

Dockerfile

Technical Skills

ContainerizationDevOpsJava

axonivy/dataclass-editor-client

Feb 2026 Feb 2026
1 Month active

Languages Used

Dockerfile

Technical Skills

ContainerizationDevOpsJava

axonivy/process-editor-client

Feb 2026 Feb 2026
1 Month active

Languages Used

Dockerfile

Technical Skills

ContainerizationDevOpsJava

axonivy/ui-components

Feb 2026 Feb 2026
1 Month active

Languages Used

CSSJavaScriptTypeScript

Technical Skills

ReactUI designcomponent developmentfront end development