After a long break, we plan to start recruiting again, and this time from a more powerful position. Previously when I recruited, I was looking for the 2nd or 3rd developer for the team so the question of fitting within the group was not really relevant. Now that's the team has grown - it is crucial.
Starting by listing the attributes that I'm looking for:
Getting things done
Ability to learn
Ability to teach (that's a first for me)
I'm gathering some resources to help me identify what I'm looking for and how to look for it. Reviews and opinions to follow:
[Edit - found another very good one:] https://blog.techmasters.chat/the-technical-interview-rift-cf5d4cf6d2c#.oz2fdzmir