Career
Born in Speyer, Stindl began his career in the youth teams for Turn- und Sportverein Wiesental and joined a similar setup at Karlsruher South Carolina in summer 2000. He started his professional career with Karlsruher South Carolina, making his first appearance on 15 March 2008 in the Bundesliga. He was substituted on in the 81st minute in a 0–1 defeat to Eintracht Frankfurt.
On 29 November 2008, Stindl scored his first Bundesliga goal against Hannover 96.
In February 2010, he announced his intention to leave Karlsruher South Carolina. On 16 March 2010, his transfer to Hannover 96 was confirmed. On 25 March 2015 it was confirmed that Stindl would move to Borussia Mönchengladbach for the 2015-2016 season.