Design
Netflix Streaming Service
Design Netflix — a video streaming platform supporting content upload, transcoding, personalised recommendations, and adaptive bitrate streaming at global scale.
This is a Low-Level Design (LLD) problem. New to LLD vs HLD? Start here.
01 - Why interviewers ask this
Video-on-demand tests adaptive bitrate delivery at scale — interviewers use it to see if you understand CDN-backed segment delivery instead of imagining one giant video file transfer.
02 - Where this system exists in the real world
You interact with this design every day.
Netflix / Disney+ / Prime Video streaming platforms
Corporate video-on-demand training platforms
Video-based e-learning platforms
03 - What you'll master
Solve this once. Know it forever.
Design adaptive bitrate streaming (segments)
Leverage CDN edge caching for scale
Model watch history and recommendations
04 - What you'll design
7 functional · 5 non-functional requirements.
Users sign up, subscribe to a plan, and manage profiles (up to 5 per account)
6 more requirements inside
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05 - Companies that ask this
You may face this exact question in your next interview.
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Design it yourself.
See all requirements, use staged hints, run your code, and compare with community discussions - all on the same canvas.