Greetings Cheia. We're interested in providing solution for your project.
First of all, let me do some quick introduction. We're full-blown digital/web agency (team of 9 experts in different area of expertize: designers, front/back/database developers, SEO specialists, system admins). We have more than 11 years long experience in web dev business. We're new to freelancer, but we have great review about the project we've done for Portugal based business. I can show you some of our work if you're confident to cooperate with us.
I'm extremely glad to see you've prepared well for this project (documentation so thorough is rare to see)... and most of requirements are clear and understandable. However, I'd like to have our hands on your project so we can confirm what can or can't be done and in what time. If it is possible, then we can even make additional corrections to bid for this project.
We also have our custom CMS solution for multi language projects like yours... it might be interesting to you... as a long term quality solution for your web site... but that's not the topic here...
I'm looking forward to hear back from you with more details and project update.
Kind regards until next conversation.
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Filip