[3] On September 18, 2018, he made his senior debut at age sixteen with Toronto FC III in League1 Ontario in a 6–0 loss to Vaughan Azzurri.

After Toronto FC II withdrew from the 2020 season due to the COVID-19 pandemic, Himaras returned to his hometown of London, Ontario to train.

[5] In 2021, he played with FC London in League1 Ontario, appearing in 10 of the team's 11 matches, winning seven games with two clean sheets.

[6] Later in 2021, he joined York United FC of the Canadian Premier League on an emergency basis, to serve as a substitute after an injury to starting goalkeeper Nathan Ingham.

[12] He made his debut on August 7 against Valour FC, coming on as a first-half substitute for Niko Giantsopoulos, after the latter suffered an injury.