GIScience/openrouteservice
Oct 2024 – May 2025
5 Months active
Languages Used
CSSHTMLJavaJavaScriptMarkdownTypeScriptVueYAML
Technical Skills
API DevelopmentAPI DocumentationAPI TestingBackend DevelopmentBuild ToolsDependency Management
Amandus Butzer
PROFILE
Amandus Butzer
Worked on the GIScience/openrouteservice repository, delivering features and fixes across API development, documentation, and backend reliability. Over five months, addressed API documentation tooling, improved Matrix API reliability, and enhanced multilingual support by adding Ukrainian route instructions. Implemented documentation versioning with a version switcher to streamline navigation for developers. Upgraded dependencies to mitigate security vulnerabilities, improved CI/CD workflows using GitHub Actions, and maintained accurate versioning in documentation. Fixed a critical bug in hazmat profile handling to ensure correct dynamic weight computation. Leveraged Java, Vue.js, and YAML, focusing on maintainability, onboarding efficiency, and reducing runtime risk for users and developers.
Overall Statistics
Feature vs Bugs
71%Features
Repository Contributions
19Total
Bugs
2
Commits
19
Features
5
Lines of code
2,537
Activity Months5
Your Network
35 peopleSame Organization
@heigit.org16
Emily C. WilkeMember
Jakob SchnellMember
AlecMember
Dario KlenkeMember
Jakob StolzeMember
Jochen HaeusslerMember
Johannes VisintiniMember
Julian PsottaMember
Levi SzamekMember
Shared Repositories
19
aolesMember
HWIKSMember
ownerofgloryMember
Dario KlenkeMember
Emily C. WilkeMember
Erdoğan SönmezMember
Hendrik LeuschnerMember
Jakob SchnellMember
Jakob StolzeMember
Work History
May 2025
2 Commits
May 1, 2025May 2025 Monthly Summary for GIScience/openrouteservice: Focused on stability and correctness in hazmat profile handling by addressing a critical bug in dynamic weight computation. Delivered a fix so hazmat: false is not treated as a defined profile parameter, preventing requiresDynamicPreprocessedWeights from wrongly returning true. Reworked the validation to use hasAttributes against default initializations. Included test adjustments and a changelog entry to document the fix. Overall, improved safety-critical routing reliability and reduced risk of incorrect weight calculations without introducing new user-facing features.
2 Commits
May 1, 2025May 2025 Monthly Summary for GIScience/openrouteservice: Focused on stability and correctness in hazmat profile handling by addressing a critical bug in dynamic weight computation. Delivered a fix so hazmat: false is not treated as a defined profile parameter, preventing requiresDynamicPreprocessedWeights from wrongly returning true. Reworked the validation to use hasAttributes against default initializations. Included test adjustments and a changelog entry to document the fix. Overall, improved safety-critical routing reliability and reduced risk of incorrect weight calculations without introducing new user-facing features.
May 2025
April 2025
7 Commits • 2 Features
Apr 1, 2025April 2025 monthly performance summary for GIScience/openrouteservice. Delivered a security-focused dependency upgrade to mitigate a Tomcat CVE by upgrading spring-boot-starter-parent to 3.4.4 with no functional code changes, and completed CI/CD and documentation maintenance to improve build reliability, version accuracy, and user-facing docs.
April 2025
7 Commits • 2 Features
Apr 1, 2025April 2025 monthly performance summary for GIScience/openrouteservice. Delivered a security-focused dependency upgrade to mitigate a Tomcat CVE by upgrading spring-boot-starter-parent to 3.4.4 with no functional code changes, and completed CI/CD and documentation maintenance to improve build reliability, version accuracy, and user-facing docs.
December 2024
3 Commits • 1 Features
Dec 1, 2024December 2024 (2024-12) – GIScience/openrouteservice: Delivered documentation versioning enhancements to improve multi-version navigation and reduce user confusion. Implemented explicit version labeling, a new version switcher, and consistent linking to the current page across versions. These changes simplify accessing the appropriate documentation context for developers and users migrating between versions. Major bugs fixed: None reported in this scope. Overall impact and accomplishments: Enhanced documentation usability for multi-version workflows, improving onboarding and reducing support overhead. Strengthened maintainability of docs by standardizing versioned navigation paths and links. Technologies/skills demonstrated: Documentation tooling and versioning strategy, multi-version navigation design, cross-version linking, and clear traceability from commits to features.
3 Commits • 1 Features
Dec 1, 2024December 2024 (2024-12) – GIScience/openrouteservice: Delivered documentation versioning enhancements to improve multi-version navigation and reduce user confusion. Implemented explicit version labeling, a new version switcher, and consistent linking to the current page across versions. These changes simplify accessing the appropriate documentation context for developers and users migrating between versions. Major bugs fixed: None reported in this scope. Overall impact and accomplishments: Enhanced documentation usability for multi-version workflows, improving onboarding and reducing support overhead. Strengthened maintainability of docs by standardizing versioned navigation paths and links. Technologies/skills demonstrated: Documentation tooling and versioning strategy, multi-version navigation design, cross-version linking, and clear traceability from commits to features.
December 2024
November 2024
1 Commits • 1 Features
Nov 1, 2024November 2024 — GIScience/openrouteservice: Delivered Ukrainian language support for route instructions (commit 171e7d14997952482f98691e7bc2aa85439af8be; PR #1883), expanding multilingual capabilities and accessibility. Updated changelog to reflect new language support. No major bugs reported. Business impact: expands user base in Ukrainian-speaking regions; improved onboarding and UX. Technologies/skills demonstrated: internationalization (i18n), translations workflow, changelog/documentation, PR coordination.
November 2024
1 Commits • 1 Features
Nov 1, 2024November 2024 — GIScience/openrouteservice: Delivered Ukrainian language support for route instructions (commit 171e7d14997952482f98691e7bc2aa85439af8be; PR #1883), expanding multilingual capabilities and accessibility. Updated changelog to reflect new language support. No major bugs reported. Business impact: expands user base in Ukrainian-speaking regions; improved onboarding and UX. Technologies/skills demonstrated: internationalization (i18n), translations workflow, changelog/documentation, PR coordination.
October 2024
6 Commits • 1 Features
Oct 1, 2024October 2024 monthly summary focusing on delivering API documentation tooling, improving Matrix API reliability, and strengthening release notes for openrouteservice. The month emphasized developer experience, API discoverability, and test coverage to reduce runtime risk and onboarding time.
6 Commits • 1 Features
Oct 1, 2024October 2024 monthly summary focusing on delivering API documentation tooling, improving Matrix API reliability, and strengthening release notes for openrouteservice. The month emphasized developer experience, API discoverability, and test coverage to reduce runtime risk and onboarding time.
October 2024
Activity
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Quality Metrics
Correctness97.4%
Maintainability97.4%
Architecture96.8%
Performance95.8%
AI Usage20.0%
Skills & Technologies
Programming Languages
CSSHTMLJavaJavaScriptMarkdownTypeScriptVueYAML
Technical Skills
API DevelopmentAPI DocumentationAPI TestingBackend DevelopmentBuild ToolsCI/CDConfiguration ManagementDependency ManagementDocumentationFront End DevelopmentFrontend DevelopmentGitHub ActionsInternationalizationJUnitJava
Repositories Contributed To
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