xAI Logo

xAI

Fullstack Engineer - Companions

Sorry, this job was removed at 08:10 p.m. (PST) on Wednesday, Apr 01, 2026
Easy Apply
In-Office
Palo Alto, CA, USA
Easy Apply
In-Office
Palo Alto, CA, USA

Similar Jobs

9 Days Ago
Easy Apply
Hybrid
San Francisco, CA, USA
Easy Apply
133K-184K Annually
Mid level
133K-184K Annually
Mid level
Fintech • Machine Learning • Mobile • Security • Software
The Full-Stack Engineer will build and deliver end-to-end features, focusing on user-facing capabilities across backend and client applications while improving system performance and scalability.
Top Skills: APIsBackend ServicesReactReact Native
2 Days Ago
Hybrid
San Francisco, CA, USA
200K-240K Annually
Senior level
200K-240K Annually
Senior level
Information Technology • Software
The Senior Full-Stack Engineer will build across the stack, ship high-impact features, and work closely with customers for product decisions while contributing to a fast-moving engineering culture.
Top Skills: BackendFrontendPostgres
Yesterday
Easy Apply
Hybrid
Redwood City, CA, USA
Easy Apply
199K-248K Annually
Senior level
199K-248K Annually
Senior level
Cloud • Information Technology • Software
As a Senior Full-Stack Engineer, you'll design, build, and operate scalable backend services and develop full-stack features, improving system reliability and performance while partnering across teams.
Top Skills: AWSGCPGraphQLJavaNode.jsPHPReact
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 San Francisco, California, USA Office

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

xAI Palo Alto, California, USA Office

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

What you need to know about the San Francisco Tech Scene

San Francisco and the surrounding Bay Area attracts more startup funding than any other region in the world. Home to Stanford University and UC Berkeley, leading VC firms and several of the world’s most valuable companies, the Bay Area is the place to go for anyone looking to make it big in the tech industry. That said, San Francisco has a lot to offer beyond technology thanks to a thriving art and music scene, excellent food and a short drive to several of the country’s most beautiful recreational areas.

Key Facts About San Francisco Tech

  • Number of Tech Workers: 365,500; 13.9% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: Google, Apple, Salesforce, Meta
  • Key Industries: Artificial intelligence, cloud computing, fintech, consumer technology, software
  • Funding Landscape: $50.5 billion in venture capital funding in 2024 (Pitchbook)
  • Notable Investors: Sequoia Capital, Andreessen Horowitz, Bessemer Venture Partners, Greylock Partners, Khosla Ventures, Kleiner Perkins
  • Research Centers and Universities: Stanford University; University of California, Berkeley; University of San Francisco; Santa Clara University; Ames Research Center; Center for AI Safety; California Institute for Regenerative Medicine

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account