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Leif-Jöran Olsson

PROFILE

Leif-jöran Olsson

Worked across FreeCAD/FreeCAD, CollaboraOnline/online, and spraakbanken/metadata repositories to deliver features and stability improvements in C++, Python, and Shell. Enhanced Linux packaging for FreeCAD by updating RPM specifications and CMake configurations to support Qt6 and PySide6, improving installation and compatibility on Fedora 40+. In CollaboraOnline, addressed RecentFiles UI reliability by correcting std::set usage and sorting logic, ensuring deterministic behavior. For spraakbanken/metadata, released new corpus resources and enriched metadata, consolidating data structures and improving documentation for research reproducibility. Demonstrated skills in build system configuration, metadata management, and scripting, with a focus on maintainability, automation, and user experience.

Overall Statistics

Feature vs Bugs

60%Features

Repository Contributions

10Total
Bugs
2
Commits
10
Features
3
Lines of code
256
Activity Months4

Your Network

516 people

Work History

June 2026

1 Commits • 1 Features

Jun 1, 2026

Concise monthly summary for June 2026 focused on business value and technical achievements in the spraakbanken/metadata repository.

April 2026

2 Commits

Apr 1, 2026

April 2026 monthly highlights for CollaboraOnline/online focusing on stability and correctness of the RecentFiles list. Implemented targeted bug fixes to ensure proper std::set usage and deterministic sorting, improving UI reliability and maintainability.

March 2026

5 Commits • 1 Features

Mar 1, 2026

March 2026 monthly summary for developer work focusing on features delivered, major bugs fixed, impact, and skills demonstrated in the spraakbanken/metadata repository.

March 2025

2 Commits • 1 Features

Mar 1, 2025

March 2025 monthly summary for FreeCAD/FreeCAD: Delivered two high-impact changes that expand Linux packaging compatibility and stabilize Python-based tooling. Fedora 40+ packaging compatibility was implemented by updating RPM packaging to support Qt6 and PySide6, adjusting build requirements and CMake configurations, cleaning obsolete packaging files, and refining plugin lists and versioning to improve installation experience and compatibility. The Python 3 compatibility fix for freecad-thumbnailer updated the shebang to /usr/bin/python3, resolved runtime compatibility issues, and followed project CI guidelines by removing the skip ci directive. Together, these efforts broaden the user base, reduce install-time friction on modern distros, and improve automation reliability. Technologies demonstrated include RPM packaging, CMake, Qt6/PySide6 integration, Python scripting, and CI-conscious development.

Activity

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Quality Metrics

Correctness97.0%
Maintainability96.0%
Architecture97.0%
Performance96.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

C++PythonShellSpecfileYAML

Technical Skills

Build System ConfigurationC++ developmentPython DevelopmentQt DevelopmentRPM PackagingScriptingcorpus linguisticsdata managementdata structuringdocumentationheader file managementlinguistic annotationmetadata handlingmetadata managementrepository management

Repositories Contributed To

3 repos

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

spraakbanken/metadata

Mar 2026 Jun 2026
2 Months active

Languages Used

YAML

Technical Skills

corpus linguisticsdata managementdata structuringdocumentationlinguistic annotationmetadata handling

FreeCAD/FreeCAD

Mar 2025 Mar 2025
1 Month active

Languages Used

PythonShellSpecfile

Technical Skills

Build System ConfigurationPython DevelopmentQt DevelopmentRPM PackagingScripting

CollaboraOnline/online

Apr 2026 Apr 2026
1 Month active

Languages Used

C++

Technical Skills

C++ developmentheader file management