Software Engineer - Code Sandbox (London)

London, UK

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

The enterprise engineering team at xAI is responsible for all our business-focused products such as the API, Grok for Teams, and enterprise-grade auth solutions such as Single Sign-On (SSO). We are a fully integrated team that builds products from the ground up with roles spanning from UX designer to reliability engineering.

About the role

In this role, you work on our code execution sandbox, which is a critical component of our production systems and our training infrastructure. The work is highly technical as we need to maintain rigid security standards while allowing our users to rapidly iterate without sacrificing reliability. An ideal candidate meets at least the following requirements:

• Expert knowledge of Rust, C++ or Go
• Familiarity with Python
• Solid understanding of Linux; knowledge of other operating system is a plus
• Familiarity with virtualization techniques and implementations
• Good knowledge of network stack

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 at least two technical interviews:

• Coding interview in Rust or C++.

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 pension plan, short & long-term disability insurance, life insurance, and various other discounts and perks.

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