Mukendi joined Liverpool's youth teams in 2007 and made his debut for the Under 18's in the 2010-11 season, going on to make nine appearances and score two goals. He also made his debut for the reserves on 30 March 2011 as a second-half substitute in a Lancashire Senior Cup match against Preston North End. The following season, he played regularly again for the Under 18s and reserves and in May 2012 he signed a two-year professional contract with Liverpool.
In early August 2012, he joined Northampton Town on loan until January 2012. He made his club debut on 14 August in a League Cup match against Cardiff and his Football League on 18 August against Rochdale. His first senior goal came on 9 October as the club beat Colchester in a Football League Trophy match. On 3 January 2013, his loan spell with Northampton ended and he returned to his parent club Liverpool.
On 19 July 2013, he joined Scottish top flight club Partick Thistle on loan until 1 January 2014. He made only one competitive appearance for the SPFL side which was on 6 August 2013, during a 2-1 victory over Ayr United in the Scottish League Cup. After six-month at the club, he returned to Liverpool.
Mukendi suggested on his Twitter account that he had been released by Liverpool.
He then moved into non-league football, signing for Ashton United, before moving to Marine.
In July 2016 he moved to Stalybridge Celtic.
In September 2016 he joined Northwich Victoria on loan. On 3 October 2016, Mukendi joined Colne.
In January 2017 he joined Atherton Collieries.
Only 2 months later, he joined Sutton Coldfield Town.
In August 2017 he again played for Atherton Collieries
He then joined Mossley in September 2017. He made his debut for the club on 5 September in an FA Cup match against 1874 Northwich.
In 2011 Mukendi was a member of an under-18 Congolese team who played a friendly match in England.
His older brother, Vinny is also a footballer. He also has two sisters and two younger brothersUp to date, as of 24 July 2013.