DoorDash is currently not available in Dubai, so it is not possible to become a DoorDash driver in Dubai. DoorDash is a food delivery service based in the United States and operates in several cities across North America and Australia. However, there are similar food delivery services available in Dubai such as Zomato, Talabat, and Deliveroo. To become a delivery driver for these services, you typically need to meet the following requirements:

1. Have a valid driver's license and a reliable vehicle or motorcycle.
2. Be at least 18 or 21 years of age, depending on the company's requirements.
3. Have a smartphone to use the delivery app.
4. Pass a background check and provide necessary documentation.

To become a delivery driver for these services, you can visit their websites or download their mobile apps and follow the instructions for driver registration.