Harlequins offered him a professional contract and within 12 months he was a member of the England RFU Sevens team that won the Hong Kong Sevens. Monye was a key member of the Sevens squad throughout the 2002–03 and 2003–04 IRB World Sevens Series, and was part of the team that competed in the 2005 Rugby World Cup Sevens in Hong Kong. He was also part of the England RFU Saxons sides that won the Churchill Cup in 2005 and 2008. He first played for Harlequins in a friendly against Glasgow Warriors RFC in August 2002, beginning the following season with five tries in two matches, including a hat trick against Rotherham Titans at Millmoor.