I applied online. The process took 3 weeks. I interviewed at Proofpoint (Sunnyvale, CA)
Interview
The interview consists of 3 rounds:
1) Unofficial call from an HR, mostly about your availability and your previous working experience.
2) A scheduled call from a manager about your experience, projects, and some simple technical questions.
3) A scheduled on-site interview with multiple engineers and managers for around 2 hours. Learn the company workflow and projects from them. Will be tested on lots of non trivial technical problems including conceptual questions.
3
Other Software Engineer Interview Reviews for Proofpoint
Took nearly 2 months, 1 call with recruiter, 1 call with hiring manager (slightly technical), 1 call with staff engineer and 2 seniors, 1 more in person interview with 2 senior AI engineers.
I applied online. I interviewed at Proofpoint (Fort Collins, CO) in Apr 2026
Interview
Did a two hour coding project which was cool, for the initial job screening. It involved creating a app in C# and seemed to go pretty well. However the ghosted me after doing it, followed up on three separate occasions no response.
I applied online. The process took 1 week. I interviewed at Proofpoint (Toronto, ON) in Jun 2025
Interview
I had an interview with a recruiter. It was a typical HR interview and it lasted about 30 minutes. Unfortunately, I was ghosted even after I sent a follow-up email.
Software Engineer applicants have rated the interview process at Proofpoint with 2.8 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 38% positive. To compare, the company-average is 44.8% positive. This is according to Glassdoor user ratings.
Candidates applying for Software Engineer roles take an average of 33 days to get hired, when considering 27 user submitted interviews for this role. To compare, the hiring process at Proofpoint overall takes an average of 29 days.
Common stages of the interview process at Proofpoint as a Software Engineer according to 27 Glassdoor interviews include:
Phone interview: 28%
One on one interview: 18%
Presentation: 16%
Skills test: 10%
Group panel interview: 8%
Drug test: 6%
Background check: 6%
IQ intelligence test: 4%
Other: 4%
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