Yes, it's going to be hard to get people to commit to something if they don't know what they're getting themselves into.To be fair, they've been a little more along the lines of "can you state the question more clearly please?"
The pi is a computer (albeit a small one). Programming is a very diverse field and between us we probably have expertise in most aspects of it. It's as diverse as construction and we all think we know the difference between a brickie, a plumber and a glazier...
I would offer to help but I too don't really know what's needed. @armchair_jihad if you PM me I might be able to help your contact work out what to ask for.
Is it someone's hobby project? Is it part of a business launch? Is it a subcontract for some other company? Is this some sort of gaming / social media / IOT "wearable" thingy? Is it a remote environmental monitoring system? Is it yet another widget for pirating TV? Is it part of an industrial control or monitoring system? What sort of skill sets are they looking for? Low level drivers? Servers? Web interface? Communications protocols? MQTT config and set up? Etc. All of these can involve different skill sets.