Beware - Positive reviews are from employees that steer clear of the executive team - Anonymous employee Slack Employee Review

1.0
May 23, 2022
Anonymous employee
Recommend
CEO approval
Business Outlook

Pros

- Lots of great, smart, hard working people at Slack. - Work on a product enterprise software users enjoy. - Competitive compensation plans.

Cons

- Very bad behaviour at the executive level (including CEO verbally assaulting employees in public Slack channels). - Highly political environment. The highest I've seen in Silicon Valley. (But people don't talk about it out of fear.) - No upward mobility (see highly political environment). - HR is there to protect executives/founders, not employees (but that's common). - High turnover in eng/product/design due to toxic work environment (so you will spend a lot of time interviewing to add to your team)

Explore other reviews about Slack

5.0
Apr 13, 2026
Recommend
CEO approval
Business Outlook

Pros

flexible and chill and many intern events

Cons

had a fully remote team

4.0
May 11, 2026
Recommend
CEO approval
Business Outlook

Pros

Great people, no micro management, good work/life balance

Cons

Limited opportunities, lots of hiring freezes, limited transparency in leadership decisions

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