He has worked on a number of genre TV programs, including Stargate SG-1, Sleepy Hollow, Krypton, and American Gods.

[3] In 2009, Kindler and his wife, Jill Bodie, collaborated with Amanda Tapping on a children's charity foundation called Sanctuary for Kids, intending to leverage the show's cult following for a good cause.

[7] He has cited Stephen King, Sir Arthur Conan Doyle, and Aaron Sorkin as writing inspirations.

In May 2007, Kindler launched the independent web series Sanctuary, which was then picked up for television by The Movie Network in Canada and Syfy in the United States.

[10] In 2021, the show was described as "painfully ahead of its time" by The Companion,[11] and Kindler received attention for his early use of webisodes prior to streaming,[12] as well as for Sanctuary being one of the first television series with nearly fully virtual special effects.