Jonathan Frere
Frontend Developer at esveo
Dresden, Saxony, Germany
Summary
👤
Senior🎓
Top SchoolJonathan Frere is a frontend developer with 13 years of software engineering experience, blending strong computer science fundamentals from The University of Manchester with practical product-focused UI work across startups and research organizations in Dresden. He has built user-centric web interfaces at companies like esveo and SURAGUS while bringing rigorous engineering practices from roles in research software and early-career systems projects. Beyond front-end craftsmanship he contributes to open-source tooling and test automation—most notably expanding the test suite for the popular Rust cargo-edit utility—demonstrating attention to quality and cross-language fluency. Pragmatic and detail-oriented, he values good software engineering principles and designs that make complex interactions feel simple for end users.
12 years of coding experience
5 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at The University of Manchester
Stackoverflow
180reputation
3kreached
0answers
2questions
Github Skills (10)
automated-tests10
rust10
cargo10
testing10
cli9
git7
enums6
nodejs6
python-dataclasses6
python6
Programming languages (11)
Github contributions (5)
killercup/cargo-edit
Oct 2015 - Oct 2015
A utility for managing cargo dependencies from the command line.
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:6 commits, 1 PR, 2 comments in 1 day
Contributions summary:Jonathan primarily focused on writing and expanding the test suite for the `cargo-edit` project. Their contributions included adding new tests for the `add` subcommand, covering scenarios like adding dependencies, handling dev/build dependencies, and integrating git and path sources. They also implemented tests for fixed version dependencies and ensured proper error handling. Their work involved using Rust and testing tools to validate the functionality of the command-line utility.
cratedependenciesrustcargocommand-line
MrJohz/appdirectory
Mar 2014 - Mar 2014
A cross-platform utility to find the best directory to put data and config files.
Contributions:23 commits, 1 comment in 7 days
filesystemconfigcross-platformdirectoryconfig-files
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