Frederick Roth
Staff Software Engineer at Breuninger
Stuttgart, Baden-Württemberg, Germany
Summary
👤
Senior🎓
Top SchoolFrederick Roth is a Staff Software Engineer based in Stuttgart with 13 years of experience building backend systems and leading engineering teams. He rose through senior and leadership roles at Breuninger and GRAU DATA, combining hands-on Scala/HTTP work with delivery and team coaching. An active open-source contributor, he has contributed to the well-known http4s project by driving deprecations, clarifying middleware docs, and modeling HTTP headers to improve interoperability. Enthusiastic about cryptography and security engineering, he also publishes a PGP key for verifiable communications. Outside engineering he pursues precision and creativity through free climbing, cooking, and literature, a mix that informs his pragmatic yet curious approach to problem solving. His background in applied computer science and psychology gives him both technical rigor and a user-centered perspective on systems design.
13 years of coding experience
15 years of employment as a software developer
Bachelor’s Degree, Psychology, Bachelor’s Degree, Psychology at Fernuniversität HagenDiplom (BA), Applied Computer Science, Diplom (BA), Applied Computer Science at Berufsakademie Stuttgart / Duale Hochschule BW
German, English
Stackoverflow
2,788reputation
345kreached
35answers
12questions
networking
top-5%
ping
top-5%
ubuntu
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virtualbox
top-5%
Github Skills (17)
top-level10
http10
scala10
typer10
cat10
ubuntu9
networking9
virtualbox9
ping9
jasmine6
mongodb6
ruby-on-rails6
continuous-integration6
gridfs6
python6
Programming languages (13)
Github contributions (5)
http4s/http4s
Jun 2023 - Mar 2024
A minimal, idiomatic Scala interface for HTTP
Role in this project:
Backend Developer
Backend DeveloperContributions:15 reviews, 7 PRs, 36 comments in 9 months
Contributions summary:Frederick primarily contributed to the `http4s/http4s` repository by deprecating the Jsonp middleware and related documentation. Their work included modifying code files to reflect the deprecation and adding clarifying notes. Additionally, the user modeled the "Content-Transfer-Encoding" header, addressing a related issue and handling socket errors during upgrades.
idiomatichttp-clientscalafs2typelevel
froth/rust-lox-vm
Sep 2024 - Feb 2025
Implementation of a bytecode vm Lox interpreter in Rust
Contributions:6 releases, 51 PRs, 56 pushes in 4 months
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