Founded: 2023
Founder / CEO: Elon Musk
Core product: Grok chatbot (Grok model family) and related generative tools
Notable funding: $6B Series C (May 2024); $20B Series E announced (Jan 2026)
Employees (reported): 5262
Artificial intelligence / conversational and generative AI
2023
Technology, Information and Internet
$6 billion
Reported participation from a16z, Sequoia, Valor, BlackRock, Fidelity, Kingdom Holdings, Lightspeed, MGX, Morgan Stanley, OIA, QIA among others.
$20 billion
Company announced Series E with named investors including Valor Equity Partners, Fidelity, Qatar Investment Authority and others.
“Includes participation from major institutional and strategic investors such as Andreessen Horowitz (a16z), Sequoia Capital, Valor Equity Partners, Fidelity, BlackRock, Kingdom Holdings, Morgan Stanley, Qatar Investment Authority, Nvidia and Cisco.”
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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 engineers are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.
About the team
You will work on the team that is responsible for the backend services that power our products such as grok.com and the API. We focus on writing and maintaining highly scalable and reliable services that can efficiently process tens of thousands of queries per second. The services are hosted on a number of Kubernetes clusters (on-prem & cloud).
About the role
An ideal candidate meets at least the following requirements:
Location
This position is in-person in London, UK. We usually work from the office 5 days a week but allow for work-from-home days when required. Candidates must be willing to attend late meetings at least once a week to coordinate with the rest of our team in Palo Alto.
Interview process
After submitting your application, the team reviews your statement of exceptional work and CV. If your application passes this stage, you will be invited to a 15 minute interview (“phone interview”) during which a member of our team will ask some basic technical questions. If you clear the initial phone interview, you will enter the main process, which consists of at least two technical interviews.
All interviews will be conducted via Google Meet.
Benefits
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 our Aviva pension plan, short & long-term disability insurance, life insurance, and various other discounts and perks.
xAI is an equal opportunity employer.
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