Backend API Engineer for Scalable AI Model Serving

Xai; Greater London; On-site; GBP 107,000 - 262,000; Full time

Benefits offered by this job

Equity

Healthcare coverage

Dental coverage

Cash plan

Income protection

Life insurance

Discounts and perks

Job summary

SpaceXAI, a frontier AI company, is hiring a backend engineer to scale production infrastructure for model serving. You will be hands-on and collaborate across teams to deliver reliable systems in a fast-paced environment.

The role emphasizes Rust or C++ expertise, designing distributed services, and operating databases at scale, with a strong focus on observability, reliability, and performance. Equity and comprehensive benefits are part of the total rewards.

Qualifications

• Expert knowledge of Rust or C++.
• Experience designing, implementing, and maintaining reliable, horizontally scalable distributed systems.
• Knowledge of service observability and reliability best practices.
• Experience operating databases such as PostgreSQL, Clickhouse and MongoDB.

Responsibilities

• Build the SpaceXAI API that serves our models to developers worldwide.
• Own the end-to-end system responsible for high-throughput inference with low latency and high availability.

Skills

Rust

C++

Distributed systems

Observability

Tools

PostgreSQL

Clickhouse

MongoDB

Job description

SpaceXAI, a frontier AI company, is hiring a backend engineer to scale production infrastructure for model serving. You will be hands-on and collaborate across teams to deliver reliable systems in a fast-paced environment.

The role emphasizes Rust or C++ expertise, designing distributed services, and operating databases at scale, with a strong focus on observability, reliability, and performance. Equity and comprehensive benefits are part of the total rewards.