the Chelsea Academy at the age of 10 and played in both midfield
and defensive positions while progressing through the ranks at the
club. He has travelled and been a part of various overseas tournaments
with the academy, including the 2010 Dallas Cup.
In the 2010-11 Archange started being picked for reserve team
matches, and scored his first goal away at Manchester United in
April 2011. Another high point for Nkumu was that he started in
the second leg of the 2011-12 FA Youth Cup final, which Chelsea
went on and won
On 23rd August 2012, Nkumu joined League One side Yeovil Town
on a one month loan spell. Nkumu made his professional debut on
18th September 2012 in a 4-1 loss against Leyton Orient as a late
substitute. On 23rd October 2012, Nkumu signed on loan for Colchester
United until 14 January. He made just one appearance for both
Yeovil and Colchester
Released by Chelsea early in 2013, he joined Spanish side Granada
on trial in March 2013.
On 15th April 2013, he played on trial for Norwich's Under-21
development squad in a game against Bolton which the Canaries
won 1-0. He then played in the 3-1 defeat against Manchester City's
Under-21 development squad on 26th April 2013.
He trialled for Leicester's Under-21s in August 2013, playing
in a defeat to Sunderland on 19th August.
He joined Concord Rangers but moved to Hendon in February 2014.
He was released at the end of the 2013/14 season.