Following completion of his collegiate career, Hunwick was then signed by the Boston Bruins to a two-year entry-level contract on June 26, 2007. Attending his first Bruins training camp, Hunwick was among the final cuts and assigned to American Hockey League affiliate, the Providence Bruins, to begin the 2007–08 season. After spending a month with Providence, Hunwick was recalled by Boston and played his first NHL regular season game in a 2–1 victory over the Buffalo Sabres on November 10, 2007. In his third recall to the Bruins, Hunwick recorded his first NHL point, an assist in a 2–1 defeat of the Toronto Maple Leafs on December 9. He finished his first professional season primarily with Providence, scoring 23 points in 55 games while totaling 13 games in the NHL from four separate recalls.