1. At club level, Randy Edwini-Bonsu played for Southwest United of the Edmonton Interdistrict Youth Soccer Association between 2003 and 2006, and in his last year with the club he took Southwest United U-16's to an Alberta provincial title and a second-place finish at Canadian Club Championship in Moncton, New Brunswick.
Randy Edwini-Bonsu played for Whitecaps' development team, Vancouver Whitecaps Residency, in the USL Premier Development League, helping the team to the Conference Finals in its inaugural season, scoring nine goals in 15 games along the way.
In 2011, Randy Edwini-Bonsu played for Finnish second tier Ykkonen side AC Oulu.
Randy Edwini-Bonsu was named the Ykkonen Player of the Month in September 2011.
On November 22,2011, it was announced that Randy Edwini-Bonsu had signed a contract with Eintracht Braunschweig through June 2013, after impressing in two friendlies while on trial, scoring a total of four goals.
On March 4,2012, Randy Edwini-Bonsu made his home debut in a league game for Eintracht Braunschweig as a sub for Damir Vrancic.
In minute 79, Randy Edwini-Bonsu was fouled which led to the final result by a directly converted free-kick from Nico Zimmermann.
In November 2018, Randy Edwini-Bonsu signed with Canadian Premier League club FC Edmonton.
Edwini-Bonsu represented Canada at the 2007 CONCACAF U17 Tournament in Kingston, Jamaica; Canada finished fourth in Group B Edwini-Bonsu was later called up to a U-20 camp for Canada in November 2008 which included an exhibition match against U-21 from Young Boys Bern on November 24 in Bern and then an international friendly match against Switzerland on November 26,2008, in Solothurn.
Randy Edwini-Bonsu tied for the goal-scoring lead with three goals in three games at the 2009 CONCACAF U-20 Championship even though Canada didn't advance past the group stage.
On June 27,2013, Randy Edwini-Bonsu was listed as a part of the confirmed 23-man squad for Colin Miller's Canada squad for 2013 CONCACAF Gold Cup.
Randy Edwini-Bonsu scored his first goal for Canada in a friendly against Puerto Rico on March 30,2015.