Sjoerd Scheffer
.NET Developer at Calder Holding B.V.
Nijmegen, Gelderland, Netherlands
Summary
👤
Senior🎓
Top SchoolSjoerd Scheffer is a .NET developer from Nijmegen with nine years of hands-on software experience and a formal background in ICT, embedded vision/ML, and audio engineering. He combines back-end and full-stack experience—contributing health-check infrastructure to the widely used Yoast SEO plugin—with recent focus on .NET systems at Calder Holding. Comfortable across low-level embedded work and high-level architecture, he’s particularly strong in clear communication and producing high-quality software designs and implementations. An avid hobbyist programmer since age 11, he also applies technical precision as a studio audio engineer. Currently seeking a 32-hour role (available Tuesday–Friday) and open to expanding his schedule, he brings curiosity and cross-domain insight from DSP and embedded projects to web and backend development.
9 years of coding experience
Audio Engineering, Audio Engineering at SAE InstituteHAVO, HAVO at NSG GroenewoudMinor Embedded Vision and Machine Learning, 8, Minor Embedded Vision and Machine Learning, 8 at Hogeschool van Arnhem en Nijmegen
English, Dutch
Github Skills (5)
health-check10
wordpress10
php10
seo10
plugin10
Programming languages (6)
Github contributions (5)
Yoast/wordpress-seo
Nov 2021 - Mar 2022
Yoast SEO for WordPress
Role in this project:
Back-end Developer
Back-end DeveloperContributions:60 commits in 3 months
Contributions summary:Sjoerd's commits focus on setting up health check base classes and implementing a basic default tagline check within the Yoast SEO for WordPress plugin. These changes involve creating classes and interfaces related to health checks, including a result builder and runner interfaces. The contributions demonstrate the development of core features within the plugin, specifically related to integrating health checks for improved SEO functionality.
breadcrumbsschema-orgwordpressphpxml-sitemap
ixnas/Mackie-of-the-Unicorn
Jan 2022 - Nov 2022
Use control surfaces to control a MOTU AVB DSP mixer.
Contributions:201 commits, 6 PRs, 84 pushes in 9 months
midimotuaudiodspmixer
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