xAI · Palo Alto, CA
Skills: Rust
SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today, SpaceX is actively developing the technologies to make this possible, with the ultimate goal of making life multiplanetary and expanding consciousness to the stars. SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next. SENIOR SOFTWARE ENGINEER, MEDIA We’re looking for exceptional media engineers to join us on a new project: deeply integrating SpaceXSI's advanced AI infrastructure into a platform used by around 600 million users every month. We’re bringing SpaceXSI's technology stack to transform the video product experience - video playback, live streaming, Spaces, audio/video calls, and more. A major focus of this work is real-time communication : building audio and video calling that rivals the best conferencing products in the world (think Google Meet and Zoom), from crisp one-on-one calls to large multi-party conversations, and making it smarter with AI. You’ll own systems where every millisecond of latency and every dropped frame is felt by users, and you’ll ship them at a scale few teams ever reach. This is your chance to contribute in a major way while leveraging all of the powerful AI tools and talented colleagues at SpaceXSI. RESPONSIBILITIES Build the next generation of large-scale video services on X, spanning on-demand playback, live streaming, Spaces, and real-time audio/video calls Design, build, and scale real-time audio/video calling infrastructure, including 1:1 and multi-part…
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