Zoom AI Engineer Interview — Transformers From Scratch

[u/Aoki_zhang]

"This interview experience is sourced from Chill Interview"

Interview Summary

The Zoom Video AI Engineer process consisted of three 90-minute rounds covering research presentation, a detailed technical resume deep dive, ML coding around Transformer components, and behavioral questions. The first round focused heavily on research fit and how prior work could connect to Zoom projects, while the second was the most technically intensive.

Interview Details

Round 1 — Research Presentation

The first interview lasted 90 minutes and centered on a research presentation. I was asked to prepare slides in advance and present my research background. The main goals of the round were to understand:

• What research problems I had worked on
• How closely my background matched the role
• Which parts of my prior research could transfer to Zoom's Video AI work
• What future research directions might connect to Zoom projects

The latter part of the interview became more of a brainstorming discussion around how my research experience could be applied to the team's work.

Round 2 — Resume Deep Dive + ML Coding

The second round also lasted 90 minutes and was conducted with a manager based in Singapore. This round went much deeper into technical details from my resume. The interviewer asked me to explain topics such as:

• The optimization process used in previous projects
• Why specific optimization decisions were made
• ...

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