He has written, produced, directed and starred in the comedy-dramas Straight Up (2019) and Twinless (2025).

[3][4] In 2019, Sweeney directed, wrote, and starred in Straight Up which had its world premiere at Outfest.

[6][7] Prior to, Sweeney made a Proof of concept short film based upon the script, Normal Doors for 20th Digital Studio.

[8] Sweeney earned a nomination for Independent Spirit Award for Best Screenplay.

Reviewing the film for Variety, Peter Debruge wrote, "On just his second film, the gifted young helmer [Sweeney] demonstrates a sophisticated sense of framing, pace and exquisitely uncomfortable dramatic tension".