Slack·Backend Engineer

Slack Backend Engineer interview experience

No offer

Medium

Positive

Toronto, ONPosted Aug 2021 · Candidate report, summarized by Dataford

I interviewed through a Toronto-focused opening that started with a short HR screen on Zoom, then moved into a hiring manager call.

The manager asked about my previous projects and specifically how I’d collaborated with other teams. That teamwork thread continued as the process progressed.

For a third round, I reviewed a junior developer’s pull request and had to respond in a kind, empathetic way. The tone they wanted came through clearly in how they framed the feedback. The final round was the longest: a 4-and-a-half-hour day with four different people, broken into multiple sessions.

I spent time on system design where I designed a chat messenger, then had another manager-focused session where they drilled further into

Create a free Dataford account to unlock the full round-by-round breakdown, the questions asked and the outcome.

Read the full report Read the full report

Preparing for this interview?

Slack Backend Engineer interview guideThe full process, round by round, with the question bank Practice Backend Engineer interview questionsReal questions from this role across companies All Slack interview guidesEvery role we cover at this company