Crypto Coins Mining Pool Web Site Desing

Hi there; Our company working about web solutions for companies all around the world expecially europe. Now We create a new department called as CryptoCoin Development. We already have altcoins mining pool server and website. But need to upgrade it. This Job wont be a single project job, so we can work together more than one time. What we need: Excelent PHP and SQL knowladge, speak and write english well, knowladge about Bitcoin, algoritms about Crypto Coins, Creating Website and connection the API's we already have. Referances are important to we can understand how u worked ow working. We choose micro project but if u have more than we want, you can write your own price.