Thijs Feryn

Thijs Feryn tackles web performance and scalability as a Technical Evangelist at Varnish Software. After 15 years in the web hosting industry, he now helps developers build fundamentally faster systems through better caching strategies.

An active contributor to the PHP and Varnish open-source communities, Thijs regularly breaks down how HTTP caching mechanisms actually work. His talks cover everything from configuring cache headers to eliminating CI/CD pipeline delays by proxying build artifacts.

He is the author of Varnish 6 by Example and has spoken at hundreds of engineering events worldwide.