Aaron Olanare started his senior career in the Nigerian team Shooting Stars, in 2012 signed for Norwegian team Vålerenga. He had been followed closely by the club after being on trial at the club, in the summer of 2012. On 10 July 2013 Olanare signed another Norwegian team Sarpsborg 08. On 9 July 2014, Aaron transferred to Chinese Super League side Guangzhou R&F on a two-and-a-half-year contract, On 19 July 2014, he made his Super League debut in a 3–2 home win against Jiangsu Sainty and provided an assist in the match. He scored his first goal in China on 31 July 2014, which ensured Guangzhou R&F beat Liaoning Whowin 5–1. On 17 February 2016, CSKA Moscow announced the signing of Olanare on loan from Guangzhou R&F for the remainder of 2015–16 season. In October 2014, Olanare received his first call up for Nigeria national football team by Stephen Keshi to play against Sudan in the 2015 Africa Cup of Nations qualification. On 11 October 2014, he made his debut for the Super Eagles in a 1–0 away defeat against Sudan, coming on as a substitute for Nosa Igiebor in the 47th minute. On 15 October 2014, Olanare scored his first goal in a 3–1 home victory against Sudan. He restored Nigerias lead in the 66th minute when he stabbed home a loose ball after a mix-up between Sudan goalkeeper Akram El Hadi and his defender. Olanare scored his second goal for Nigeria in a 2-0 away victory over Congo. He scored the second goal of the match to secure the victory.