Martin Mahner
Head Of Regular Expressions at Lincoln Loop
Stralsund, Mecklenburg-Vorpommern, Germany
Summary
🤩
RockstarMartin Mahner is a seasoned software engineer and Head of Regular Expressions with 18 years of experience, currently based in Stralsund, Germany. He combines deep backend expertise with DevOps sensibilities, contributing to well-known open-source Python and Django projects where he improved caching, slug generation, and test/infrastructure quality. Martin focuses on maintainability and flexibility—evidenced by making slugify replaceable, modernizing dependency management with Poetry, and improving test suites across projects. He brings a pragmatic, detail-oriented approach to production systems and a knack for quietly improving developer ergonomics and long-term project health.
18 years of coding experience
Github Skills (22)
dependency-management10
git10
caching10
github10
python10
redis10
django10
ruff10
testing10
poet10
databases10
git-repository10
disk-cache10
object-cache10
memory-cache10
Programming languages (7)
Github contributions (5)
lincolnloop/python-qrcode
Aug 2024 - Jul 2025
Python QR Code image generator
Role in this project:
Backend & DevOps Engineer
Backend & DevOps EngineerContributions:8 reviews, 15 PRs, 35 pushes in 11 months
Contributions summary:Martin primarily contributed to the project's infrastructure and code quality. They implemented Poetry for dependency management and updated configuration files. Furthermore, the user fixed tox tests, formatted code using Ruff, and removed support for older Python versions. Additional tasks included documentation updates and making the PNG library optional.
image-generatorpythonqr-code
django-extensions/django-extensions
Apr 2009 - May 2009
This is a repository for collecting global custom management extensions for the Django Framework.
Role in this project:Back-end Developer
Back-end DeveloperContributions:6 commits in 23 days
Contributions summary:Martin primarily contributed to the Django extensions library, focusing on the `AutoSlugField` and related models. Their work included adding support for multiple fields in the `populate_from` argument, addressing merge conflicts, and refactoring code. The user also made improvements by making the `slugify` function replaceable, which improved the overall flexibility of the field.
django-framework
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