Context: Yes, it is a huge commitment. You could also start on a DART team to see if the company and position is a good fit for you, and then transfer into a long-term and full-time position if you are enjoying it. There is a lot to consider here and you are very talented so you will have a lot of opportunities. 
Fact: I think the DART team is a good career option.
Category: None | Time: None | Referent: None | Duration: None
Invalid: Yes | Invalidity reason: Opinion | Followup: None