Johannes Theiner
Softwareentwickler at Obsidian
Cuxhaven, Lower Saxony, Germany
Summary
🤩
Rockstar🎓
Top SchoolJohannes Theiner is a software developer with nine years of hands-on experience, currently building and reviewing extensions at Obsidian from his base in Cuxhaven, Germany. He has a strong backend focus demonstrated by contributions to the well-known JabRef project—implementing a JSTOR fetcher, improving ISBN parsing, adding YAML export and date formatting—and by automating GitHub issue aggregation for the Obsidian community. His background includes practical academic IT support and tooling work at Hochschule Emden/Leer, where he developed scheduling modules and supported digitalization projects in schools. Johannes blends Java and Python experience with pragmatic tooling and data-integration skills, often improving interoperability and automation behind the scenes. He holds a BASc in Computer Science and a vocational IT qualification, reflecting both formal study and applied technical training. Colleagues would describe him as detail-oriented and focused on making developer workflows and community tooling more reliable.
9 years of coding experience
Bachelor of Applied Science - BASc, Informatik, Bachelor of Applied Science - BASc, Informatik at Hochschule Emden/LeerFachhochschulreife Technik, Fachhochschulreife Technik at Berufsbildende Schulen Cuxhaven
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (16)
bibtex10
javas10
github-api10
obsidian10
python10
java10
exporter9
yaml9
jinjava9
exports9
github-ci8
testing8
githubaction-workflow8
markdown7
argparse7
Programming languages (9)
Github contributions (5)
obsidian-community/obsidian-hub
Jan 2022 - Mar 2022
Resource hub for Obsidian resources.
Role in this project:
Backend Developer
Backend DeveloperContributions:3 reviews, 18 commits, 7 PRs in 2 months
Contributions summary:Johannes primarily contributed to the repository by implementing features related to processing and presenting plugin issue data. They wrote a Python script (`update_issues.py`) utilizing the `github3api` library to fetch issue data from GitHub, and they developed templates for displaying this data in Markdown format. The user also made changes to the utility functions and test files, and modified the issue display format to better reflect the community's needs. These changes focused on automating and streamlining the aggregation of information related to Obsidian plugins.
obsidianobsidian-mdobsidian-vaultobsidian-plugin
JabRef/jabref
Oct 2020 - Dec 2020
Graphical Java application for managing BibTeX and BibLaTeX (.bib) databases
Role in this project:Back-end Developer
Back-end DeveloperContributions:5 reviews, 5 commits, 5 PRs in 1 month
Contributions summary:Johannes contributed to the `jabref/jabref` repository by implementing a JSTOR fetcher. This involved creating functionality to retrieve data from JSTOR, including parsing data from the JSTOR API and integrating it with the application. The user also made changes to the ISBN fetcher, removing newlines and spaces. Further contributions included support for exporting to the YAML format and the addition of a short date formatter.
reference-manageracademic-publicationsjavafxlatexjavafx-desktop-apps
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