Michael Großklaus freelance frontend developer

Portrait of Michael Großklaus

I am Michael Großklaus, a freelance frontend developer for html, css and javascript from Hamburg, Germany.

Having 12 years of professional experience, I put high value in performance, usability and accessibility and have a good understanding for backend technologies and visual design.


  • “Michael supported us on a number of projects. He is a hard worker and delivers high quality code. From design brief to finished feature he takes responsibility, works independently and makes sure that expectations are met. We are looking forward to working with Michael again.”

    Katharina Döpke · Factorial GmbH
  • “Working with Michael Großklaus was an all around pleasurable experience: Fast turnaround, attention to detail and being open to suggestions and changes translated into an efficient completion of the website for my client. I’m hoping to send another project his way soon.”

    Michael Koritschan · Studio Koritschan
  • “Michael Großklaus is a rare breed – A User Experience Engineer that cares deeply about code quality and web standards, while getting things done. It’s a pleasure to work with Michael and I hope we have many more opportunities to do so.”

    Milan Matull · Factorial GmbH
  • “Working with Michael was a great pleasure. He familiarized himself with the project very quickly and developed a clean, well thought-out and high-quality solution.”

    Patrick Schnetger · Freelance Ruby on Rails developer

Open source

is a development tool that helps you to develop your components encapsulated and independently from a backend. It supports many JS rendering engines and validates your components on the fly for html and accessibility violations.
is a small ES module that creates a typing effect for one or multiple elements. Unlike other libraries, it does not push around other elements while typing.
cuts off the text of one or multiple elements in a container with fixed height. A typical use case is a list with article teasers which all have the same height.