They ask you to build a project for them, which is fine.
They ask you to make it super polished and production-ready. This is fine if you end up getting an offer. Otherwise, it ends up being an enormous waste of your time that results in disappointment.
Every front-end engineer interview review here is negative. Don't encourage bad hiring practices.
Standard phone screen questions.
The following metrics were computed from 3 interview experiences for the Slack Front End Engineer role in San Francisco, California.
Slack's interview process for their Front End Engineer roles in San Francisco, California is fairly selective, failing a large portion of engineers who go through it.
Candidates reported having very negative feelings for Slack's Front End Engineer interview process in San Francisco, California.