> Markdown version of [/@silas-joisten](https://www.wearedevelopers.com/@silas-joisten). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Silas Joisten PHP engineer and trainer focused on Symfony and headless CMS architecture. ## About Silas Joisten builds resilient backend systems and trains PHP development teams. As a lead engineer at SensioLabs, he focuses on software architecture and content-driven applications. His day-to-day work centers around connecting modern backend frameworks with headless content platforms. Silas teaches developers how to write maintainable code using Domain-Driven Design, handle complex API connections, and smoothly integrate Storyblok with Symfony. ## Past Sessions ### World Congress 2025 · July 9, 2025 Berlin, Germany - [Build production-ready headless CMS solutions: Mastering Storyblok and Symfony Integration](https://www.wearedevelopers.com/events/world-congress-2025/sessions/512-build-production) · 120 min