Software Engineer, Sandbox Service at xAI, London

Looking for software engineer jobs in the UK? xAI is hiring a Software Engineer for the Sandbox Service team in London. First, this role focuses on building secure systems for AI models. Also, the team works on tools that help models run code safely.

Software Engineer Jobs in the UK: Overview

Job Title	Software Engineer, Sandbox Service
Employer	xAI (SpaceXSI)
Location	London, UK (in person)
Salary	£107,000 to £262,000 per year
Job Type	Full time
Experience	Not specified in the available job information
Visa Sponsorship	Not confirmed in the available job information
Closing Date	Not specified in the available job information

About the Employer

xAI builds AI systems to help humanity understand the universe. Also, the Sandbox service team creates secure environments so models can run code and interact with tools safely. Notably, this supports both training and product features. Plus, the company works on large scale compute for better models.

Job Responsibilities

• Build and maintain secure scalable sandbox systems for AI models
• Provision containers and virtual machines on large scale clusters
• Enable models to run code, build software and interact with tools
• Support reinforcement learning and real time code execution for user queries
• Fine tune filesystem performance on nodes
• Work across the full stack from orchestration to node level tuning

Requirements

• Experience with Rust, C++ or Go
• Experience with virtualisation and containerisation technologies such as cgroups, KVM, gVisor or QEMU
• Solid knowledge of the networking stack is preferred
• Familiarity with Python is preferred
• Deep experience with either Linux or Windows systems is preferred

Visa Sponsorship and International Applicants

Visa sponsorship is not confirmed in the available job information. However, international applicants should check the official listing carefully for eligibility. Plus, see the Clarendon Scholarship 2027 for study options in the UK. Meanwhile, the University of Reading International PhD Studentships 2027 offers another path for UK study.

Salary and Benefits

• Equity is included in the total rewards package
• Comprehensive healthcare and dental coverage
• Cash plan, income protection and life insurance
• Various other discounts and perks

How to Apply

First, apply through the Greenhouse portal. Next, submit a CV and a short statement about a piece of work you are most proud of. Then, interviews are conducted via Google Meet. Also, check the Gates Cambridge Scholarship 2027 for related opportunities. Overall, prepare your documents carefully.

Apply to this Job

Application Tips

• Highlight experience with Rust, C++ or virtualisation in your CV
• Prepare a concise 100 word statement about proud work
• Show strong communication skills for team collaboration

Final Thoughts

Overall, this is a strong technical role in London. However, confirm visa details directly with the employer. So, browse more UK scholarships and technology related posts on the site. Therefore, review all options before applying.