call center in cloud

Hi , We are looking for experience VoIP Engineers who can help us develop a call center software in the cloud . A predictive dialer in the cloud . Creating Agents , importing contacts , Predictive dialer , preview dialer , power dialer options , Multiple admins , multiple agents login . Agents should be able to talk to the customers thru the browser and no IP Phones are ATAs are needed . The call center will be only outbound for now but later we will be adding inbound . Please bid only if you have experience in instlaling call center software and experience with predictive dialer and call center software . Thanks Nick