If this is your recruiter, tell them they are doing it wrong...
An example of how not to reach out to people:
--- I wanted to reach out as I am working with the CEO of a killer new company, with great investors and team (ex <big companies here>).
They are working on building out a game changing communication platform utilizing cutting edge aspects of both cloud and mobile technologies. One key role that I am on the hunt for is a <senior sounding "lead role"> engineer to drive the development of a core piece of their product strategy. They are developing a breakthrough cloud-enabled device that will change the way we communicate. The company are <small number> people and are going to ramp up quickly over the next 2 quarters. Please let me know if you may be interested in learning more and let's jump on a 15 minute call at your soonest convenience. ---