Proton, privacy by default interview questions
Updated May 29, 2026Difficulty
Average
Experience
Mixed
How others got an interview
- 13%Employee ReferralEmployee Referral
- 9%RecruiterRecruiter
- 1%OtherOther
- 1%Campus RecruitingCampus Recruiting
- 1%Staffing AgencyStaffing Agency
Interview search
199 interviews
Proton, privacy by default interviews FAQs
- Glassdoor users rated their interview experience at Proton, privacy by default as 68.9% positive with a difficulty rating score of 2.98 out of 5 (where 5 is the highest level of difficulty). Candidates interviewing for Operations and Backend Engineer rated their interviews as the hardest, whereas interviews for Senior Android Engineer and Marketing roles were rated as the easiest.
- The hiring process at Proton, privacy by default takes an average of 28 days when considering 103 user submitted interviews across all job titles. To compare, the average duration of hiring at similar companies like BlackRock, Inc. is 14 days, Fabricated Software, Inc. is 2 days, and Apple Inc. is 21 days. Candidates applying for Senior Android Engineer had the quickest hiring process (on average 4 days), whereas Product Marketing Associate roles had the slowest hiring process (on average 70 days).
- Common stages of the interview process at Proton, privacy by default according to 103 Glassdoor interviews include:
Skills test: 21%
One on one interview: 20%
Phone interview: 14%
Presentation: 11%
Group panel interview: 10%
Background check: 9%
Personality test: 6%
Other: 5%
IQ intelligence test: 3%
Drug test: 1%
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