I know a few of these guys but I have to tell you -- most firms in the online space either are on the prowl for top talent or extremely guarded of their own product devs.
It's a hard skill product development -- combining financial technologies and great user interface to help solve a specific problem.
Here are a few of the top product development professionals in the online finance space. Vote for your favorites or please -- by all means -- add your own suggestions (I just got the conversation started).