After college, Winer acted in television commercials for companies such as Budweiser, Nike and Dr Pepper. He also did stand-up comedy on channels such as HBO and was one of the stars on the TV game show The Blame Game on MTV. He eventually moved into work behind the camera, directing The Adventures of Big Handsome Guy and His Little Friend in 2005.
Since then, Winer has directed episodes of TV shows such as Kath & Kim, Samantha Who?, Carpoolers, New Girl and Don't Trust the B---- in Apartment 23. He is a co-executive producer of Modern Family as well as a director. In 2010, Winer won the Directors Guild of America Award for Outstanding Achievement in Directing Comedy Series for Modern Family.
- Kit, Borys (August 25, 2009). "Jason Winer to make film debut". The Hollywood Reporter.
- Danielle Berrin, "Politics, gender and Jewishness loom large at Emmys", The Jewish Journal, September 23, 2012
- Bloom, Nate (April 8, 2011). "Jewish Stars 4/8". Cleveland Jewish News. Retrieved January 5, 2018.
- "Primetime Emmy Awards nominations for 2012 - Outstanding Directing For A Comedy Series". Emmys.com. July 19, 2012. Retrieved December 11, 2012.
- McNary, Dave (March 1, 2010). "Jason Winer to direct 'Arthur' remake". Variety.