Recruiter phone screen,

1 week technical take-home exercise,

Hiring manager phone screen,

In-person interviews for half a day, comprising 5 45-minute interviews, each focusing on a different area.

Recruiter: Why Slack? Describe past job responsibilities (all listed on resume). Challenges you have faced.

1-week take-home exercise: Build a single-page application image gallery, connecting to a public image API, and add lightbox functionality. Make it performant and cross-browser compatible.

Hiring Manager: Describe past job responsibilities. Challenges you have faced. Opinions on some engineering principles you bring up / have listed on your resume, etc.

In-person interviews: Review your submitted code. MVP and above for showing a gigapixel image in the browser. MVP for a basic Slack client. In-depth resume questions. Behavioral questions.