He made his debut for Brann in the fifth league-match of the 2011 season against Molde, and despite conceding three goals in his debut, Leciejewski soon displaced Håkon Opdal, Brann's first-choice goalkeeper since 2004.
Leciejewski entered the lineup for Brann during the fifth match of the 2011 season against Molde. Although he conceded three goals in his debut, he soon surpassed Håkon Opdal, who had been Brann's mainstay goalkeeper since 2004.