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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 team
In this role you will work on xAI's production systems that power grok.com and the API. The actual team matching will happen at the offer stage.
About the role
As an ideal candidate you have a good understanding of how complex frontend projects are implemented. You know how to set up code bases with long-term maintainability in mind. When building UIs, you focus on performance and usability. Ideally, you also bring the following:
- Expert knowledge React, TypeScript, and Tailwind
- Expert knowledge of NextJS
- An eye for good user interface design
- Good understanding of the HTTP protocol
Additionally, any of the below points will help a candidate stand out:
- Experience with Docker, Kubernetes, and containerized applications
- Experience with backend engineering (Rust is a plus)
- Expert knowledge of gRPC (unary, response streaming, bi-directional streaming, REST mapping),
- Hands-on experience with LLM APIs, embeddings, or RAG patterns
- Track record of delivering user-facing software at scale
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, the interview process is as follows:
- Initial technical screening during which a member of our team will ask some basic technical questions (15 minutes)
- React coding interview (45 minutes)
- HTML/CSS/Tailwind coding interview (45 minutes)
- Final stage with founding engineer Toby Pohlen (30 minutes)
All interviews will be conducted via Google Meet.
BenefitsBase 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 pension plan, short & long-term disability insurance, life insurance, and various other discounts and perks.
Privacy Policy
xAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.
xAI London, England Office
20 Air Street, London, London, United Kingdom
