Github Com
Software Engineer
Cologne, North Rhine-Westphalia, Germany
Summary
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RockstarGithub Com is a software engineer based in Cologne with 13 years of experience building and refining developer-facing tools and web interfaces. Comfortable across the stack, they contribute to high-profile open-source projects like Gatsby, improving UI, docs, and performance-focused features such as lazy loading. As a QA and test automation specialist on the popular jc CLI/Python library, they strengthened parser correctness by designing generic test runners and broadening test coverage. Their GitHub bio—FullSnack Developer—hints at a pragmatic, hands-on approach that blends frontend polish with rigorous backend validation. Colleagues can expect someone who catches subtle UX and parsing edge cases before they reach users, reducing maintenance churn.
13 years of coding experience
Stackoverflow
1,541reputation
111kreached
93answers
3questions
Github Skills (29)
javascript10
pytest10
python10
testing10
front-end-development10
gatsby10
react10
web-application9
parser9
command-line9
parsing9
parse9
json7
blogger7
blogspot7
Programming languages (29)
Github contributions (5)
gatsbyjs/gatsby
Feb 2019 - Oct 2022
The best React-based framework with performance, scalability and security built in.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:18 reviews, 305 commits, 339 PRs in 3 years 9 months
Contributions summary:Github primarily contributed to the Gatsby.js project's front-end, focusing on improving the user interface and resolving visual or structural inconsistencies. Their work involved fixing typos, updating links, and correcting display issues within components like the showcase, blog, and documentation pages. The user also implemented improvements to the website's design, contributing to code block language configurations and lazy loading functionalities.
gatsbyreactweb-appfastestcompiler
kellyjonbrazil/jc
Dec 2022 - Apr 2025
CLI tool and python library that converts the output of popular command-line tools, file-types, and common strings to JSON, YAML, or Dictionaries. This allows piping of output to tools like jq and simplifying automation scripts.
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:16 reviews, 11 PRs, 115 comments in 2 years 3 months
Contributions summary:Github primarily focused on enhancing the test suite for the `jc` command-line tool and Python library. They implemented generic test runners, created test fixtures for various parsers (path, path\_list), and added tests to cover different scenarios and input formats. The contributions also involved refactoring existing tests, adding test coverage, and ensuring the accuracy of the parsing logic, demonstrating an emphasis on thorough testing and quality assurance.
pythonparsersbash-scriptingserializecli
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