THE GIG. United Wholesale Mortgage (UWM) is America’s #1 mortgage lender, and we’re looking for college grads who want to excel as an underwriter. Must-Knows. . This is an 8-hour shift, Monday–Friday. This position requires 100% full-time, on-site attendance in Pontiac, MI. This is an. accelerated position. that puts you on the fast track to become a Senior Underwriter. WHAT YOU WILL BE DOING. Collect, review and examine an applicant’s financial ...