Delivery Driver Job Description. Ribrell 21 is an Amazon Delivery Service Partner (DSP) looking for enthusiastic, team players to deliver Amazon packages. DSP’s are independent businesses that partner with Amazon to deliver packages. Our Delivery Drivers strive to get every Amazon order to the customer’s door on-time. We offer full-time and part-time opportunities. We need. reliable. . independent. . flexible. . hardworking. Delivery Associates. ...