She was educated at Townsville Grammar School before attending the National Institute of Dramatic Art in Sydney. She completed the full-time acting course at the Actor's Centre Australia, graduating in 2011. Dyer appeared in the television comedy mockumentary series Micro Nation in 2012. This was followed by guest roles on A Moody Christmas in 2012 and Packed to the Rafters in 2013. In 2014, Dyer appeared in the first season of drama series Janet King as Maya Blakely. In the same year, she starred in the drama series Love Child as Patricia Saunders. She was a regular for three seasons and appeared as a guest in the first episode of the fourth season. From 2015, Dyer also appeared in the comedy television series No Activity as April. In 2016, she also had a guest role in the drama series Hyde & Seek. In 2017, Dyer appeared in Kiki and Kitty an Australian comedy series on ABC iview and ABC Comedy.