脸书面试timeline

10/21 Recruiter电邮联络10/15 与hire manager电话1小时，邀请直接onsite

11/18 约定onsite时间

1/17 Onsite

1/22 Recruiter索要internal referral，告知次日送Hire Committee

1/23 Recruiter通知offer

Onsite:

- System Design

- Behavioral Questions + Coding (x 1)

- Coding (x 2)

- Lunch

- Machine Learning Design

- Coding (x 2)

- Machine Learning Design

面试背靠背，共有6轮，时间很紧张。