I applied through an employee referral. The process took 1 week. I interviewed at Meta in Jan 2015
Interview
Applied through a referral and got an email to pick a field within the software engineering internship programs. Scheduled a phone call and talked to a friendly engineer. Went through a couple coding questions and general background information about the company and its culture.
I applied through college or university. I interviewed at Meta (Menlo Park, CA) in Oct 2015
Interview
Attended a campus career fair and networking event. They got back to me and invited me to an on-campus interview a few days later. Was told I made it to the onsite 3 days later. Flew out to Menlo Park 2 weeks later, had 1 technical interview followed by a tour and some presentations. Recruiters were all very friendly and helpful, great experience.
I applied through a recruiter. The process took 2 days. I interviewed at Meta (Atlanta, GA) in Oct 2015
Interview
The interview was about 45 minutes. It was on-campus. I was asked to write code on the whiteboard. The one who interviewed me was a infrastructure engineer from FB. The interview was one to one. The whole interview was a positive experience, even though I did not get a offer.