Marc Duiker is an Open Source Community Manager and Sr Developer Advocate with 15 years of experience helping teams adopt event-driven, serverless, and Azure-native architectures. He currently grows the global Dapr community and creates developer-focused content and tooling at Diagrid, combining hands-on engineering with event organization and public speaking. A five-time Microsoft Azure MVP (2019–2024), Marc translates user feedback into better product and developer experiences, from demos and extensions to GitHub Actions. Beyond cloud and DevRel, he channels a creative streak into pixel art, code-driven visuals and retro games—creations you can spot in projects like Hacker Typer and VSCode Pets. Based in the Netherlands, he blends deep technical consulting history with a maker’s curiosity that keeps him learning and shipping playful developer tools.
15 years of coding experience
13 years of employment as a software developer
BSc Organic Chemistry, BSc Organic Chemistry at Hogeschool Leiden
Hacker Typer is a fun joke for every person who wants to look like a cool hacker!
Role in this project:
Front-end Developer
Contributions:17 commits, 16 PRs, 8 pushes in 8 years 11 months
Contributions summary:Marc primarily focused on developing the front-end aspects of the "Hacker Typer" project. They implemented the core JavaScript functionality for the typing effect, including handling user input, managing the display of text, and creating the "access granted" and "access denied" popups. The user also updated the HTML and CSS to refine the user interface and improve the overall user experience. Furthermore, the commits show the user refactoring the code and updating the jQuery version.
A ReactJS picker for CSS shadows inspired by the Chromium devtools.
Contributions:31 commits, 15 PRs, 23 pushes in 1 year 5 months
reactcsscss-shadowsshadowschromium
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Marc Duiker - Open Source Community Manager at Diagrid