I applied in-person. The process took 5 weeks. I interviewed at MIT (Cambridge, MA) in Jan 2012
Interview
I was asked to visit the lab and give a formal presentation. I had interacted with the group members one on one and went for dinner with a postdoc from the lab
I applied online. The process took 3 weeks. I interviewed at MIT (Cambridge, MA) in Jun 2013
Interview
Submit the CV and research statement. They will require the reference letter, usually at least 3 letters. After several weeks, I got the onsite interview, including public presentation, talked with professors, talked with industrial coordinator, talked with students and other postdocs, lunch, dinner. It took one day and I got the response very soon.
Interview questions [1]
Question 1
Academic questions about the research, thesis and paper
I applied online. The process took 3 months. I interviewed at MIT (Cambridge, MA) in Feb 2016
Interview
One-hour interview on campus. Quite challenging.. A lot of tricky behavioral and technical questions. They invite for lunch with current students afterward. Overall pretty good experience. Took some time to prepare.