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xAI

Fullstack Engineer - Companions

Sorry, this job was removed at 01:10 p.m. (PST) on Wednesday, Apr 01, 2026
In-Office
Palo Alto, CA, USA
In-Office
Palo Alto, CA, USA

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About xAI

xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.

ABOUT THE ROLE:

We're looking for exceptional multimedia engineers and product thinkers who want to make Grok's realtime avatar products the best in the world.

RESPONSIBILITIES:
  • Make Grok's realtime avatar products fast, scalable, and reliable.
  • Help push forward audio and gameplay research and deploy breakthrough innovations to millions of users.
  • Obsess over every millisecond and byte, ensuring end-to-end quality and performance at scale across a rich suite of products and user platforms.
BASIC QUALIFICATIONS:
  • Well-versed in low-latency systems and protocols like WebSocket and WebRTC.
  • Expert in Python, and preferably proficient in Rust.
  • Some iOS experience preferable.
  • In-depth knowledge and experience building high performance media processing pipelines.
  • Obsessed with media quality, performance, and product experience.
COMPENSATION AND BENEFITS:

$180,000 - $440,000 USD

Base salary is just one part of our total rewards package at xAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks.

xAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.

HQ

xAI Palo Alto, California, USA Office

1450 Page Mill Road, Palo Alto, CA, United States

xAI San Francisco, California, USA Office

3180 18th St., San Francisco, CA, United States

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Key Facts About San Francisco Tech

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  • Notable Investors: Sequoia Capital, Andreessen Horowitz, Bessemer Venture Partners, Greylock Partners, Khosla Ventures, Kleiner Perkins
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