It was a positive experience. Had a call with the recruiter and arranged a phone interview one week after. It was all technical. Didn't have a chance to do an onsite interview.
Technical question on data structure and memory allocation.
The following metrics were computed from 1 interview experience for the Slack iOS D role in Canada.
Slack's interview process for their iOS D roles in Canada is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Slack's iOS D interview process in Canada.