wordpress design and development for cloud based product

I need a nicely designed wordpress website for a cloud based product where businesses can explore about product features, see industries, check show case, read blog.. site needs to have knowledgebase where they can search answers with screenshot and take help via video tutorials and articles. This site is based on graphical content and its graphics needs to be well designed for multiple languages. Site needs to be multilingual: English, Espanol, French, Russian, Arabic & Portuguese. All content will be added for all these languages separately. Site will show local language version of visitor according to his IP. Each language will have 12-15 design pages Integrate live chat, zoho CRM, mailchimp, disqus, and knowledge base Need to be mobile and desktop optimized and quick loading. only apply if you have good design team and have worked on multi lingual sites designs. website development needs to be optimized and fully secured.