According to Wikipedia:
Lin went undrafted in the 2010 NBA Draft; however, he later joined the Dallas Mavericks for mini-camp as well as their NBA Summer League team in Las Vegas.[12] In five Summer League games, while playing both guard positions, Lin averaged 9.8 points, 3.2 rebounds, 1.8 assists, and 1.2 steals in 18.6 minutes per game and shot a team leading 54.5% from the floor.
Today, he is with the Golden State Warriors and would receive a $500,000 salary with more than half of it guaranteed.