Slack
Part of Salesforce
Engaged Employer
Slack interview questions
Updated Feb 23, 2026Difficulty
Average
Experience
Mixed
How others got an interview
- 21%Employee ReferralEmployee Referral
- 15%RecruiterRecruiter
- 3%OtherOther
- 1%In PersonIn Person
- 1%Staffing AgencyStaffing Agency
- 1%Campus RecruitingCampus Recruiting
Interview search
728 interviews
Slack interviews FAQs
- Glassdoor users rated their interview experience at Slack as 60% positive with a difficulty rating score of 3.13 out of 5 (where 5 is the highest level of difficulty). Candidates interviewing for Senior Engineering Manager and Senior Site Reliability Engineer rated their interviews as the hardest, whereas interviews for Sr. Software Engineer and Software Engineer roles were rated as the easiest.
- The hiring process at Slack takes an average of 18 days when considering 10 user submitted interviews across all job titles. Candidates applying for Sr. Software Engineer had the quickest hiring process (on average 7 days), whereas Software Engineering roles had the slowest hiring process (on average 30 days).
- Common stages of the interview process at Slack according to 10 Glassdoor interviews include:
One on one interview: 29%
Phone interview: 29%
Presentation: 24%
IQ intelligence test: 6%
Skills test: 6%
Background check: 6%
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