Camara has 36 goals and 24 assists in 48 games this season with Barrie Colts of the Ontario Hockey League.
The six-foot, 190-pound Toronto native was selected in the third round, No. 81 overall, by Boston in the 2011 NHL entry draft.
Camara has appeared in 243 career OHL games with 66 goals and 56 assists. He also has three goals and five assists in 31 career playoff games and recorded two assists for Canada at the 2013 world junior hockey championship in Russia.
Just the feel for the direction they were headed and what they're trying to do, it just felt that this is a really good thing for this organization. They've got the pieces. We can put something together and go on a run or two and be together for a while, and I'm really excited about that opportunity. The team we have here has an opportunity to win, and that's the most attractive thing.
— Washington defenseman Matt Niskanen on why he decided to sign with the Capitals