Juma has both a USSF 'D' National License and National Youth License. He is a former International player for Tanzania-East Africa and played for several 1st division and co-operative teams from 1982-95. He moved to the US in 1996 and joined the University of Houston, In 1998 jhe oined Alief Youth Soccer as a head coach u10. Beginning in 2000 he coached the Sugarland Youth Soccer u14(three seasons}, From 2001-3 he was an assistant coach with the Houston Toros u22 semi-professional team, In 2004 he coached the Alvin Youth Soccer Club u10(four seasons}, In 2005 he coached in Texas City/Galveston Youth Soccer and Alvin Youth teams. In 2008 he coached with the Galveston Youth Soccer and Southbelt Youth Soccer aged u18 and u12. He currently works with player development and personal training with youth in all age groups.