Pre Bid Server Implementation on Websites and Apps

I need someone who is expert on implementation side of Programmatic Advertisements. I dont need a developer , which i have a team already., I need someone who has worked on Acquiring Google DV360, Prebid, Xandr , Google ADx and then working with Devs to integrate on websites. Dont apply if you are into just managing consoles of Google Ad words , Google Ad sense , I want someone who integrates these Platforms on to our website. I am looking for someone who is expert at Prebid