Proofpoint

4 stages: (1) 20 mins recruiter phone call, (2) Takehome coding challenge in language of choice, (3) 45 mins phone call with engineering manager going over background, CV, & brief high-level technical for example what is an inner join vs an outer joi

3 level interview process. First interview was with manager and then it was test and after that I had interview with team this was technical Interview. Overall good and detailed

First two technical telephone interviews. Then requested for one day onsite interview at Sunnyvale office. I said I can not make it one day instead I will make it come times. HR agreed and scheduled first onsite interview. It was basic project relate