Senior PHP Developer and a Senior Web Designer needed

We are looking for a highly exprienced core php developer , with atleast minum 15-16+ years of experience in core php, working on chat messenger and social media kind of application , multi-user platform environt
experience must inlcue ajax, bootstrap

and also we are looking for a very good website designer to give our website the modern look and feel

please post your bid with examples of links to your work