Career
He plays his club rugby with Cork Constitution. He plays as a Propagation Archer made his debut as a replacement against Edinburgh on 23 October 2009, during a Celtic League fixture. He was part of the historic team that beat Australia 15-6 at Thomond Park on 16 November 2010.
He scored his first try for in a RaboDirect Pro12 league fixture against Ulster on 5 May 2012.
He signed a two-year contract extension with in January 2013. In October 2015, Archer was ruled out for a number of months after sustaining a neck injury that required surgery.
He has represented at underage levels up to Under-20. Archer received his first senior call-up when he was selected in the Wolfhounds squad for their game against England Saxons in January 2012.
He made his Wolfhounds debut in the England Saxons on 28 January 2012.
He was selected on the bench for "s 2013 Six Nations Championship game against France on 9 March 2013, his first senior call-up, though he did not come on during the 13-13 draw. Archer made his senior debut for a week later, coming off the bench against Italy. On 23 October 2013, Archer was named in the squad for the 2013 Autumn Tests.
Archer came off the bench for Wolfhounds against England Saxons on 25 January 2014.
He was named in the squad for the 2014 Guinness Series on 21 October 2014. Archer was named in the Emerging squad for the 2015 on 19 May 2015.