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 Role

We need talented full stack engineers to build complete interactive web applications (frontend UI, backend services, programmatic task generation, and automated validation systems). This role involves taking full ownership of the development process for creating polished, functional, and scalable web environments.

Responsibilities

Build high-quality, interactive sandbox UIs with exceptional polish and user experience.
Develop robust backend services to power the applications.
Programmatically generate tasks and implement reliable validation logic for task completion.
Someone who enjoys working remotely.

Required Qualifications

Strong professional experience with React.js (hooks, modern state management) — required
Strong professional experience building backend services in one or more of the following languages: Python, Go, Java, C++, C#, JavaScript/Node.js, Rust, or C — required
Hands-on experience with containerization (Docker required; Docker Compose/Kubernetes a plus)
Strong front-end design skills and exceptionally high taste in UI/UX, polish, and visual detail
Proven ability to design a relational database schema and populate it with large-scale, realistic mock data
Experience creating and exposing clean, well-documented API endpoints (REST or GraphQL)
Exceedingly high standards for code quality, readability, testing, and front-end craftsmanship
Extensive day-to-day experience using coding agents / AI assistants as a power user (Cursor, Claude, Copilot, Grok, Aider, etc.)

Preferred Qualifications

Possess strong logical reasoning skills, is detail-oriented, and thrives in a fast-paced work environment.
Eager to teach and learn from teammates.
Enthusiasm to collaboratively build the best truth-seeking AI out there!

Location & Other Expectations

If you are based in the US, please note we are unable to hire in the states of Wyoming and Illinois at this time.
We are unable to provide visa sponsorship.
Team members are expected to work from 9:00am - 5:30pm PST for the first two weeks of training and 9:00am - 5:30pm in their own timezone thereafter.
For those who will be working from a personal device, please note your computer must be a Chromebook, Mac with MacOS 11.0 or later, or Windows 10 or later.
Top performers may be considered for MTS positions within xAI.

Compensation

$35/hour - $100/hour

The posted pay range is intended for U.S.-based candidates and depends on factors including relevant experience, skills, education, geographic location, and qualifications. For international candidates, our recruiting team can provide an estimated pay range for your location.

Benefits:

Hourly pay is just one part of our total rewards package at xAI. Specific benefits vary by country, depending on your country of residence you may have access to medical benefits. We do not offer benefits for part-time roles.

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

Apply