Hi I'm Sebastian. Freelance IT-Consultant.

I'm a consultant near Karlsruhe, Germany for the architecture and development of web applications and technical SEO. 

My focus lies currently on helping small & large companies, agencies and freelancers with their Neos CMS based projects. I offer consulting, workshops, coaching & development services for any topic related to creating successful web projects.

As longtime and award-winning contributor to the Neos CMS core since 2013 and active core team member, I'm involved in improving the system continuously to new requirements of the ever evolving web business. You can learn more about my work from my presentations or my award winning Open Source contributions.

I would love to hear from you if you need help in your project or need support your team. I work with customers inside and outside of Germany.

Also check out my blog Mind the Seb. 

What I offer

Neos CMS specific

  • Coaching
  • Workshops
  • Code Reviews
  • Core development
  • Performance analysis & problem solving
  • UI or backend plugin development
  • Architecture consultation
  • Updates
  • Technical SEO

General

  • JavaScript development
    • React / Preact
    • HTMX / AlpineJS
    • Clean vanilla JS
  • Web application architecture consulting
  • Ask me whether I can help with your specific requirements 🙂

Some of my projects

Homepage of 1&1

1UND1.DE

1&1 offers mobile, internet contracts and also hosting related services.

The content generation for the platform is moved to Neos which is part of a larger infrastructure. I helped implementing new SEO features like the new redirect manager for Neos and CK editor plugins to help their editors. Besides that I also support the developers with Neos best practices.
 

ZAHNZUSATZVERSICHERUNG-DIREKT.DE

Insurance comparison website for allcompare GmbH.

Based on Neos CMS. One Neos instance and a shared codebase is used here to efficiently manage more than 10 different insurance comparison pages, including white label sites for their partners. Performance and SEO is a number one priority which Neos can deliver.
 

Homepage of Zahnzuversicherung-Direct.de
Homepage of hema.de

HEMA.DE

Company website for the hema electronic GmbH in Aalen, Germany.

Based on Neos CMS and featuring sliders and banners that give the editors a lot of freedom regarding positioning and theming.