Contract courier jobs include freelance work in retail, freight, and driver transport, such as being a rideshare driver or a taxi driver. Other courier jobs include delivering important documents, such as legal paperwork or medical documents, between locations within a city. These jobs often go to bike messengers who are independent contractors working for a centralized delivery service. Your duties are to drive mail or freight to and from a location and ensure that delivery is on time. You take signatures for packages as well. As a food courier, your responsibilities are to deliver food promptly. You may be required to do it under a certain amount of time.