Thijs Koerselman
Everything at Codecompose
Utrecht, Utrecht, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolThijs Koerselman is a versatile software engineer based in Utrecht with 12 years of professional experience building interactive systems, web applications, and tools—often at the intersection of sound, music, and audiovisual composition. He has driven front-end migrations to React/Redux for government platforms, contributed performance and tooling improvements to the popular Gatsby framework, and builds research-grade media systems for institutions and startups alike. Currently wearing multiple hats across Codecompose, Baymard Institute, and StaffTraveler, he blends full-stack pragmatism with a designer’s sensitivity to audio and UX. His background includes teaching software for sound at HKU and crafting real-time music-tracking tools in Max and C++, reflecting a rare combination of creative signal-processing expertise and production-grade engineering.
12 years of coding experience
12 years of employment as a software developer
BSc, MA, Audio Design, BSc, MA, Audio Design at HKU (Hogeschool voor de Kunsten Utrecht)VWO, VWO at Over Betuwe College Bemmel
English, Dutch
Stackoverflow
22,518reputation
2.2mreached
59answers
124questions
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top-5%
javascript
top-1%
google-cloud-functions
top-5%
dom
top-5%
firebase
top-5%
Github Skills (26)
babel610
javascript10
web-application10
static-site-generator10
webapp10
babel-core10
babeljs10
react10
gatsby10
google-cloud-functions9
eslint9
webpack9
webpacker9
dom9
ecmascript9
Programming languages (13)
Github contributions (5)
gatsbyjs/gatsby
Apr 2017 - Dec 2018
The best React-based framework with performance, scalability and security built in.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:32 commits, 38 PRs, 104 branches in 1 year 8 months
Contributions summary:Thijs primarily focused on improving the Gatsby framework, a React-based static site generator. Their contributions included allowing the use of Babel options for enhanced configuration, optimizing the build process with cheap-module-source-map for better source map functionality during development. They also implemented stricter formatting rules using ESLint and Prettier-ESLint to enhance code quality and consistency. Furthermore, the user addressed a bug in gatsby-link, preventing an error with undefined nextState.
gatsbyreactweb-appfastestcompiler
0x80/firestore-hooks
Dec 2021 - Jan 2025
Contributions:1 release, 12 pushes, 1 branch in 3 years 1 month
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