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Jonah Brüchert

PROFILE

Jonah Brüchert

Worked on expanding and maintaining public transportation data infrastructure, primarily within the MobilityData/mobility-database-catalogs and nextcloud/craft-blueprints-kde repositories. Delivered new GTFS feeds for European rail operators, enhanced data catalog integrity by stabilizing feed identifiers, and improved metadata for easier integration. Implemented asynchronous execution in Itinerary using QCoro and optimized Android builds for MapLibreQt, focusing on performance and cross-platform compatibility. Applied skills in Python, CMake, and Qt to manage API integration, data modeling, and backend development. Addressed data governance by deprecating outdated feeds, ensuring catalog stability, and supporting partners with reliable, discoverable transit data for downstream applications and analytics.

Overall Statistics

Feature vs Bugs

80%Features

Repository Contributions

7Total
Bugs
1
Commits
7
Features
4
Lines of code
222
Activity Months5

Work History

April 2026

2 Commits • 1 Features

Apr 1, 2026

April 2026 monthly summary for MobilityData/mobility-database-catalogs. Delivered two new GTFS feeds for rail coverage, improved data integrity with feed ID stabilization, and enhanced catalog value for partners through expanded schedule data and metadata.

January 2026

1 Commits • 1 Features

Jan 1, 2026

January 2026 performance summary for MobilityData/mobility-database-catalogs: Delivered a new Public Transit GTFS feed for LTG Link, expanding public transportation data availability and downstream usage. The feed includes provider metadata, geographic bounding box, and direct download URLs, enabling easier discovery and integration for partners and applications.

December 2025

2 Commits • 1 Features

Dec 1, 2025

Monthly summary for 2025-12 focused on delivering a MapLibreQt Integration Framework blueprint within nextcloud/craft-blueprints-kde, with performance-oriented Android build improvements and clear deliverables for cross-platform map capabilities.

October 2025

1 Commits • 1 Features

Oct 1, 2025

Month: 2025-10 — Delivered asynchronous execution capability for Itinerary by integrating QCoro as a runtime dependency, improving UI responsiveness and enabling future async workloads. No major bugs fixed in this period. Overall impact: implementation lays the groundwork for scalable concurrency, reduces latency in UI/I/O paths, and strengthens the Architectures for Itinerary in nextcloud/craft-blueprints-kde. Technologies/skills demonstrated: QCoro integration, asynchronous programming, runtime dependency management, Git-based change tracking, and Qt/C++ ecosystem practices.

March 2025

1 Commits

Mar 1, 2025

March 2025 monthly summary focusing on key achievements, with emphasis on business value and technical excellence. Deployed data governance change in MobilityData/mobility-database-catalogs by deprecating the ZET feed from the Transitfeeds data source. This involved removing the ZET entry and disabling its inclusion in future data processing to preserve the integrity of the transit data catalog. The change reduces data drift, prevents ingestion errors, and improves trust in catalog-aware analytics.

Activity

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Quality Metrics

Correctness94.2%
Maintainability94.2%
Architecture94.2%
Performance97.2%
AI Usage20.0%

Skills & Technologies

Programming Languages

CMakeJSONPython

Technical Skills

API IntegrationAPI developmentAPI integrationAndroid DevelopmentBuild OptimizationCMakeData CatalogingData ManagementJSON handlingPythonQtSoftware Packagingbackend developmentdata integrationdata modeling

Repositories Contributed To

2 repos

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

MobilityData/mobility-database-catalogs

Mar 2025 Apr 2026
3 Months active

Languages Used

PythonJSON

Technical Skills

API IntegrationData CatalogingData ManagementAPI integrationdata modelingpublic transportation data management

nextcloud/craft-blueprints-kde

Oct 2025 Dec 2025
2 Months active

Languages Used

PythonCMake

Technical Skills

Pythonbackend developmentAndroid DevelopmentBuild OptimizationCMakeQt