React Frontend Engineer, xAI

grok.com & API

$180-440k

Salary benchmarked at US rates; + Equity

React

Kubernetes

CSS

TypeScript

Next.js

WebGL

Mid, Senior and Expert level

London

1+ day a week in office

Building artificial intelligence

Be an early applicant

Building artificial intelligence

1001+ employees

B2CB2BArtificial IntelligenceDeep TechMachine Learning

Be an early applicant

$180-440k

Salary benchmarked at US rates; + Equity

React

Kubernetes

CSS

TypeScript

Next.js

WebGL

Mid, Senior and Expert level

London

1+ day a week in office

1001+ employees

B2CB2BArtificial IntelligenceDeep TechMachine Learning

Company mission

To build AI systems that can help humanity understand the world better.

Job

Company

Role

Who you are

Expert knowledge of TypeScript and React,
Expert knowledge of Tailwind,
Expert knowledge of best practices regarding performance, accessibility, and frontend security

Desirable

Experience in advanced web technologies such as WebGL, WebSockets, WebAssembly, web workers, and PWAs
Experience in UI and UX design
Experience in implementing sophisticated CSS animations
Experience with Kubernetes

What the job involves

You will work on the team that is responsible for the frontend services that power grok.com and our API in our London office
We focus on implementing highly performant user interfaces that are delightful to use. We primarily use React with NextJS for rendering

Application process

After submitting your application, the team reviews your CV and statement of exceptional work. 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 two technical interviews:
Coding interview in TypeScript: Write a small app in React
HTML/CSS interview: Given a screenshot of a UI, implement it
All interviews will be conducted via Google Meet

Salary benchmarks

Our take

xAI is Elon Musk's venture into the world of artificial intelligence, and like all things Musk, it's going big. Its setting out to build AI that helps humanity understand the universe and its starting with Grok, its conversational AI chatbot already integrated into X (formerly Twitter). With access to real-time data and a powerful ecosystem of Musk-led companies, xAI is certainly pushing towards artificial general intelligence at serious scale.

Like all bold ventures, xAI has faced its share of controversy, from questions about regulation to the overlap across Musk's businesses. But fans are still seeing the bigger picture: an interconnected tech ecosystem where AI, social media, and space exploration feed into one another.

Recently, the company made headlines with its massive "Colossus" supercomputer project, powered by tens of thousands of Nvidia GPUs. While the data center's temporary power setup has faced environmental scrutiny, the scale of ambition is certainly undeniable. From launching tap-to-pay features on X to building one of the most powerful AI training systems on Earth, xAI is moving fast.

Steph

Company Specialist at Welcome to the Jungle

Company

Funding (last 2 of 4 rounds)

Jul 2025

$5bn

GROWTH EQUITY VC

Dec 2024

$6bn

SERIES C

Total funding: $17.1bn

Company benefits

Health and wellness: Comprehensive health insurance including medical, dental, vision, and disability coverage
Life and family: Life and AD&D insurance and fertility benefits to ensure our team’s well-being and peace of mind
Flexible vacation: We work hard but avoid burn out. Take time off when you need it
Visa sponsorship: We support international talent with visa sponsorship to join our team
401(k) plan: Retirement savings plan to secure your financial future

Company HQ

Downtown, Burlingame, CA

Leadership

Elon Musk

(Founder)

Founder, Chairman, CEO, and CTO of SpaceX. CEO and Product Architect of Tesla. Chairman and CTO of X Corp, founder of the Boring Company, co-founder of Neuralink and OpenAI, and president of the Musk Foundation.

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