Yea, I think that's one of the main issues, a lot of the people we might ask almost certainly have day jobs and are busy.
What I was thinking about doing was submitting features purely as designs first and hopefully getting feedback from Steemit as to whether it's a feature they'd be interested in merging, then if it is, paying to have it developed. Hoping to get something small just to establish a process, anyway, thanks for replying!