Mubika Mwanamwalye AKA J.O.B is a Zambian Producer/Rapper and Songwriter based in Lusaka zambia
.
He rose to fame with his debut single entitled "Going higher" in 2010, latest releases include “Ka Last”, “Awe (Kudodowesha)“ 
Described as, "catchy, humorous and yet mature"- Times Of Zambia. 

Job fell in love with music at an early age and began rapping and producing in 2006 alongside fellow rapper Robert “Bobby east“ Chunga, Dremond “Drekas” Kalande and Charles “Charly Black” Kapaso, they later formed No Intro Studio in Lusaka with Job as producer. The duo then signed fellow artists Bathromeo (Alpha romeo) Kangwa, Flexville Marley, Franciar, Chilu & T-sean. It was s song written and produced by Job for Franciar that caught the attention of Producer Ben Kalulu’s AKA Ben Blazar’s and led to Job joining Blazar Studios in 2008.

Job has worked with a lot of artistes in Zambia with production credits on a lot of mainstream Secular and Gospel Artistes