Avatar of Dennis Claassen

Dennis Claassen

I'm a senior developer at Yoast. But I started my career at the biggest Dutch jobboard for temporary work. With a small team we managed to score particularly well in organic traffic. I started as a front-end developer, but had to help out on the back-end part often as well. After a while I got to know the entire application and found my real passion: improving the effectiveness of my colleagues and seeing them grow.

You can find Dennis on: TwitterLinkedinGithubWordPress

Luckily I was able to do this in many ways: gathering and reporting challenges faced by colleagues, refactoring code to follow SOLID principles, creating a testable codebase alongside a nice test suite, setting up tooling and build pipelines, but also outside of the IDE through educating interns and colleagues in both soft and hard skills.

Now I’m working for Yoast, I hope to be able to do the same thing for my new colleagues, but also gather new knowledge myself to continue growing as well.

Pride Amsterdam 2025

August 02, 2025
  • Attending
Amsterdam, The Netherlands

Join Yoast in celebrating Pride Amsterdam 2025! ðŸŒˆ On Saturday, August 2, 2025, the canals of Amsterdam will come alive with color, music, and powerful expressions of love and celebrating identity as the iconic Pride Parade takes center stage. Yoast is proud to be part of this joyful and meaningful event, standing in solidarity with the […] Read about Pride Amsterdam 2025 »

WordCamp US 2025

August 26 - 29, 2025
  • Attending
  • Sponsoring
  • Yoast Booth
Portland, Oregon, United States
WordCamp

WordCamp US is back, and we can’t wait to connect with you there. This community-organized conference brings together developers, designers, bloggers, business owners, and users of all kinds to share ideas, learn new skills, and celebrate the WordPress community. What to expect from WordCamp US? The event will take place from August 26th to 29th, […] Read about WordCamp US 2025 »