Job Tech,CA - Mammographer 7639-62100, City: Greenbrae, State: California, Estimated Start , Shift:4 x 10 Hour Day Shift, 07:00:00-17:00:00, 10.00-4, Length of Contract (Days) : 91, Estimated Gross Pay: 0.00. The Convergence Medical Staffing Mobile App enables our travelers to search for jobs as well as upload and manage needed information quickly and simply, thus allowing for speedy submittal to facilities.