Dear Employer,
I have understood your requirement.
My strength are in PHP, TYPO3, MySQL, TypoScript, Fluid/Flux, TER extension (like DCE, GridElements, realurl, powermail, news, metaseo, ns_staticcache, saml2 etc), Extbase extension development, HTML5, CSS3, JavaScript, Twitter Bootstrap, SEO, Google Analytics, Speed optimization.
I have experience of working on this kind of site and work. I have worked as a dedicated developer for German Company and my most of work as per your specification. I can be the best solution for you.
I can share reference of my last work in private message.
Feel free to contact via private message.
Best Regards,