Hi, Markus - My name is Manish, came from India.
I have gone through your requirement and understand that you are looking for highly skilled, qualified, and experienced Bootstrap | XHTML | CSS developer.
Could you please share frontend access detail of website with us? So, we could visualize expected work & give concrete estimation based on it.
My team have been working on Bootstrap (Familiar with all version) | XHTML | CSS for a long time and confident with the project that you've provided. I am sure that we'll do it with highest quality.
If you'd like to take a look at my previous works, please check my freelancer profile.
https://www.freelancer.com/u/vpnsolution
I will do my best in order to realize your ideas into reality. Please contact me, I hope to discuss this job more details.
Thanks and best regards, Manish.