Member of Technical Staff - Media

xAI xAI · AI Frontier · Palo Alto, CA +1 · Product

This role focuses on building and optimizing large-scale video services and media processing pipelines for a platform with 600 million monthly users. While it leverages xAI's advanced AI infrastructure, the core responsibilities are in media engineering, performance optimization, and distributed systems, rather than direct AI/ML model development.

What you'd actually do

  1. Build the next generation of large-scale video services
  2. Contribute to and rebuild core media processing and distribution pipelines in high-performance languages (Rust, C++ or Go)
  3. Obsess over every millisecond and pixel, ensuring end-to-end media quality and performance at scale across a rich suite of products and user platforms

Skills

Required

  • 5 years of experience
  • C++ or Go
  • WebRTC or LL-HLS or video transcoding pipelines
  • scalable and resilient distributed systems

Nice to have

  • Go
  • C++
  • Rust
  • Java
  • Scala
  • Kubernetes
  • FoundationDB
  • ValKey
  • Envoy
  • S3
  • H.264
  • H.265
  • AV1
  • MP4
  • CMAF
  • VMAF
  • RTP
  • RTMP
  • LL-HLS
  • HDR
  • DRM

What the JD emphasized

  • Obsessed with media quality, performance, and product experience
  • In-depth knowledge of either WebRTC or LL-HLS or video transcoding pipelines
  • Familiar with building and running scalable and resilient distributed systems