I applied online. The process took 3 weeks. I interviewed at US Postal Service (San Diego, CA) in Jun 2020
Interview
Need to take an exam specific to the position n and then upload resume. It could be a while before they get back to you. You should also check often for new positions on the website, as it literally changes daily.
Interview questions [1]
Question 1
After you passed the test, there are various forms that need to be filled out online, and a section to tell about yourself.