Build a Distributed Code Execution Runtime Free
Design a secure, sandboxed code execution engine that compiles and runs untrusted user code in multiple languages, returns output within seconds, and scales to thousands of concurrent submissions.
Build Facebook Live Low-Latency Video Streaming Premium
Design a live video streaming infrastructure that ingests a broadcaster's stream, encodes it into multiple bitrates in real-time, and delivers it to millions of concurrent viewers with under 5 seconds of latency.
Build Netflix Adaptive Bitrate Streaming Engine Free
Design the client-side ABR algorithm and server-side infrastructure that switches video quality in real-time based on available bandwidth, minimizing rebuffering while maximizing perceived quality.
Build a Video Transcoding Pipeline Free
Design a pipeline that accepts a raw 4K upload, splits it into parallel encoding jobs, produces multiple bitrate renditions, and delivers the fully processed video to the CDN in under 5 minutes.