Lasse Fister is a founder and multidisciplinary software engineer with 15 years of experience blending typography, design and web application development. Trained in visual communication at Bauhaus University Weimar, he transitioned from freelance type engineering and tooling into founding Strong Type Systems in Nuremberg, operating at the intersection of type design, software and UX. He has deep hands-on experience with font processing pipelines and quality assurance, contributing to high-profile open-source projects such as Google Fonts and FontBakery that underpin the global font ecosystem. His background spans front- and back-end systems, automation and build tooling, with practical expertise modernizing Python codebases and test infrastructure. Lasse works with international clients and a global network of experts, bringing creative problem‑solving to complex, cross-disciplinary projects. An uncommon strength is his ability to translate typographic requirements into robust developer tooling that scales across production font workflows.
15 years of coding experience
12 years of employment as a software developer
Diplom-Designer, Visuelle Kommunikation, Diplom-Designer, Visuelle Kommunikation at Bauhaus-Universität Weimar
Contributions:9 reviews, 187 commits, 59 PRs in 4 years 5 months
Contributions summary:Lasse contributed to fixing a test related to ftxvalidator, a font quality assurance tool. They updated the code to correct the ftxvalidator test, addressing issues and making it pass. Additionally, the user made efforts to improve code style, such as shortening lines for better readability with flake8 and added proper hashbang lines to command line tools. They also contributed to the build process by adding a new catch-all command and modifying the setup.py file.
Font files available from Google Fonts, and a public issue tracker for all things Google Fonts
Role in this project:
Back-end Developer
Contributions:63 commits, 29 PRs, 18 pushes in 4 years
Contributions summary:Lasse primarily worked on the Google Fonts project, focusing on the tools and utilities for font data processing. Their contributions involved updating Python scripts to ensure compatibility with Python 3+, specifically modifying the `fonts_public_pb2.py` file and addressing dependencies like protobuf. They also refactored and added features to namelist files for codepoint specifications, and contributed to Python script enhancements for the filter lists.
google-fontstrackerfontfontswoff
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Lasse Fister - Founder at Strong Type Systems GmbH