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Jochen Haeussler

PROFILE

Jochen Haeussler

Worked on the GIScience/openrouteservice repository, delivering features and fixes that improved routing graph management, release workflows, and documentation clarity. Developed a configuration-driven system for automated remote graph downloads, integrating versioning and scheduled updates using Java and Spring Boot. Enhanced release management by aligning build processes, updating changelogs, and introducing structured documentation for versioning and Docker image handling. Improved test reliability by deactivating unstable tests and expanding integration coverage. Focused on clear, maintainable documentation by unifying configuration placeholders and clarifying status endpoints. Emphasized stability, security, and transparency through dependency updates, changelog management, and rigorous technical writing in Markdown and YAML.

Overall Statistics

Feature vs Bugs

50%Features

Repository Contributions

22Total
Bugs
4
Commits
22
Features
4
Lines of code
9,343
Activity Months4

Work History

March 2025

6 Commits • 1 Features

Mar 1, 2025

March 2025 focused on tightening release discipline and stabilizing the test baseline for GIScience/openrouteservice. Delivered release-notes clarity for version 9.1.1, reorganized release documentation, and laid groundwork for the next minor release with a version bump and Docker-image guidance. Stabilized CI by disabling flaky tests, reducing false positives and improving feedback loops for upcoming releases.

January 2025

2 Commits

Jan 1, 2025

January 2025 monthly summary for GIScience/openrouteservice focusing on configuration documentation improvements.

December 2024

4 Commits • 2 Features

Dec 1, 2024

December 2024 monthly summary for GIScience/openrouteservice focusing on delivery of the OpenRouteService release and documentation improvements. Delivered OpenRouteService 9.0.0 with structured versioning, changelog updates, and build/config alignment to support stable deployment and progress tracking. Enhanced status endpoint documentation with clearer engine/profiles details, graph version compatibility, build dates, OSM data dates, and response structure (including language codes). Maintained rigorous release hygiene with explicit commits and snapshot versioning to enable reliable development progress and future upgrades.

November 2024

10 Commits • 1 Features

Nov 1, 2024

Concise monthly summary for 2024-11 | GIScience/openrouteservice Focus: automated graph data management, configuration stability, and security hardening to support reliable, up-to-date routing services.

Activity

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Quality Metrics

Correctness96.8%
Maintainability97.8%
Architecture95.0%
Performance93.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

JavaMarkdownPropertiesXMLYAML

Technical Skills

API DevelopmentBackend DevelopmentBuild ManagementChangelog ManagementConfigurationConfiguration ManagementDockerDocumentationDocumentation ManagementGraph ManagementIntegration TestingJavaLoggingRelease ManagementRemote Repository Integration

Repositories Contributed To

1 repo

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

GIScience/openrouteservice

Nov 2024 Mar 2025
4 Months active

Languages Used

JavaMarkdownPropertiesXMLYAML

Technical Skills

API DevelopmentBackend DevelopmentChangelog ManagementConfigurationConfiguration ManagementDocumentation