Ethan Frei
Software Engineer Manager at PreventionGenetics
Marshfield, Wisconsin, United States
Summary
👤
Senior🎓
Top SchoolEthan Frei is a software engineering manager with 12 years of experience building cloud-native web applications and internal services, now leading an engineering team at PreventionGenetics. He combines hands-on backend and frontend expertise—Rust contributions to a static site generator, and production work in .NET Core, Python, React, and TypeScript—to deliver performant, simple, and reliable systems. Ethan emphasizes strong development practices that reduce runtime errors, pragmatic tooling choices, and thoughtful architecture for clinical and internal software. Based in Central Wisconsin, he brings a practical maker’s mindset from woodworking and robotics to software problems, favoring the right tool for the job and keeping an eye on languages like Rust, Elm, and Zig. He has a track record of moving from developer to technical lead roles, mentoring teams and shaping architecture across startups and health-care IT. Outside work he balances engineering with hands-on craft, which informs his iterative, build-first approach to delivering polished solutions.
12 years of coding experience
13 years of employment as a software developer
BS Computer Engineering, BS Computer Engineering at University of Wisconsin-Eau ClaireTomah High School
German
Stackoverflow
151reputation
7kreached
2answers
0questions
Github Skills (9)
configuration-management10
rust10
static-site-generator10
yaml10
regex9
testing8
modern-ui6
wpf6
angular6
Programming languages (14)
Github contributions (5)
cobalt-org/cobalt.rs
Dec 2015 - Oct 2018
Static site generator written in Rust
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 commits, 2 PRs, 12 comments in 2 years 11 months
Contributions summary:Ethan contributed to the development of the static site generator. Their work included adding a configuration file, renaming it, and modifying the main Rust file to read and utilize the configuration. Furthermore, the user implemented Jekyll-style frontmatter support, enhancing the document parsing capabilities of the generator. These changes improved the generator's flexibility and compatibility with common static site practices.
ruststatic-site-generatorcobalttravis-cigitlab-ci
freiguy1/dotfiles
Jan 2015 - Jan 2025
Contributions:54 pushes, 1 branch in 10 years 2 months
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