About the role
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 employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.
ABOUT THE ROLE:
As an ideal candidate you have a good understanding of how highly scalable and reliable production infrastructure is built. Most of our backend infrastructure is written in Rust. So familiarity with a compiled language such as C++, Rust, or Go is highly beneficial.
RESPONSIBILITIES:
- Build the xAI API that serves our models to developers worldwide
- Own the end-to-end system responsible for high-throughput inference, handling billions of tokens per minute with low latency and high availability, including model serving infrastructure, request routing, SDK development, rate limiting, observability, and efficient scaling
BASIC QUALIFICATIONS:
- Expert knowledge of either Rust or C++
- Experience in designing, implementing, and maintaining reliable and horizontally scalable distributed systems
- Knowledge of service observability and reliability best practices
- Experience in operating commonly used databases such as PostgreSQL, Clickhouse, and MongoDB
PREFERRED SKILLS AND EXPERIENCE:
- Experience with LLM inference engines and serving frameworks (e.g., SGLang, TensorRT, vLLM)
- Experience designing or building with agent SDKs and agent orchestration frameworks
- Experience with Docker, Kubernetes, and containerized applications
- Expert knowledge of gRPC (unary, response streaming, bi-directional streaming, REST mapping)
COMPENSATION AND BENEFITS:
£107,000 - £262,000 GBP
Base salary is just one part of our total rewards package at xAI, which also includes equity, comprehensive healthcare and dental coverage, cash plan, income protection, life insurance, and various other discounts and perks.
xAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.
Aplyr's read
xAI is reshaping AI-driven scheduling and meeting management, attracting talent in cloud infrastructure and legal expertise for its innovative solutions.
What's promising
- •xAI focuses on niche AI applications, enhancing productivity with automated scheduling.
- •Recent hiring in cloud infrastructure suggests growth and investment in robust technology.
- •Legal and commercial roles indicate a focus on compliance and strategic partnerships.
What to watch
- •Limited public information about financial health and market performance.
- •Potential over-reliance on a narrow product focus in a competitive AI landscape.
- •The AI scheduling market faces stiff competition from larger, established players.
Why xAI
- •xAI's specialization in meeting management automation sets it apart from broader AI firms.
- •The company's focus on legal and compliance roles highlights a proactive approach to regulation.
- •Hiring for diverse roles like BIM Manager and Commissioning Lead indicates a multidisciplinary approach.
Aplyr’s read is generated by AI from public sources. Was it useful?
About xAI
XAI (x.ai) is a technology company that specializes in artificial intelligence solutions, particularly focused on automating scheduling and meeting management.
