After a disappointing World Cup campaign in Brazil that saw England crash out at group stage, Wilshere is pleased that pre-season is under way and that Arsenal have been taking full advantage of the summer transfer window.
And he says he is ready to get his own career back on track.
"This season is a big one for me," he added.
"I came back to pre-season early to show everyone my commitment and I'm fully committed to the club, and to my job, and I want to show everyone that.
"This year we've really been positive, gone into the market and signed a couple of great players."
One of those players is Chilean Alexis Sanchez, whom Arsene Wenger purchased from Barcelona for an undisclosed fee.