Christoph Guttandin
Owner at Media Codings
Berlin, Germany
Summary
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Rockstar🎓
Top SchoolChristoph Guttandin is a Berlin-based software engineer and founder with 13 years of experience running his own firm, Media Codings, and contributing to prominent open-source web projects. He blends full-stack development, QA/test automation, and technical writing—notably improving Web Platform Tests, webhint, msw, and the Web Audio API spec—demonstrating both engineering rigor and attention to documentation. His work on web-platform-tests and web-audio shows deep familiarity with browser APIs and testharness.js, while contributions to guess and msw highlight practical improvements for front-end tooling and API mocking. Christoph has a knack for untangling complex module and routing scenarios in Angular monorepos and for upgrading testing infrastructure and compatibility. Comfortable moving between code, tests, and specs, he brings a meticulous, standards-minded approach that helps projects remain interoperable and maintainable. Educated in media informatics, he pairs technical curiosity with long-term entrepreneurial commitment to web platform quality.
13 years of coding experience
Bachelor of Science (B.Sc.), Internationaler Studiengang Medieninformatik, Bachelor of Science (B.Sc.), Internationaler Studiengang Medieninformatik at Fachhochschule für Technik und Wirtschaft Berlin
Stackoverflow
8,053reputation
266kreached
282answers
0questions
html5-audio
top-1%
webrtc
top-5%
audio
top-1%
javascript
top-5%
html
top-5%
safari
top-5%
Github Skills (31)
javascript10
technical-writing10
testing10
typescript10
html5-audio10
web-performance10
audio10
web-audio-api10
typescript-types10
typescripts10
documentation10
angular10
test-automation10
safari9
webrtc9
Programming languages (12)
Github contributions (5)
mswjs/msw
Jun 2020 - Jan 2023
Industry standard API mocking for JavaScript.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:3 reviews, 8 commits, 6 PRs in 2 years 7 months
Contributions summary:Christoph primarily contributed to updating test domains and integrating a virtual cookie store, with a focus on updating the testing and API mocking functionality. They modified test files to reflect domain changes and introduced cookie-related features, enhancing the project's capabilities. Furthermore, they replaced `Object.fromEntries()` and modernized the event emitter to improve functionality and codebase maintenance. They also renamed some files to align with overall project standards.
api-mockingmockingmocking-librarymockbrowser
WebAudio/web-audio-api
Oct 2016 - Jan 2020
The Web Audio API v1.0, developed by the W3C Audio WG
Role in this project:Technical Writer
Technical WriterContributions:8 reviews, 7 commits, 8 PRs in 3 years 4 months
Contributions summary:Christoph primarily contributes by correcting typos and standardizing text within the Web Audio API specification. Their commits focus on minor textual improvements in the `.bs` files, which likely contain the formal specification language. These corrections enhance the clarity and accuracy of the documentation. The user's work demonstrates a focus on meticulous review and improvement of technical documentation.
apiv1-0javascriptaudio-apiaudio
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