Backend Engineer - API
xAI · London, England, United Kingdom · London
CHECKED 14H AGO
Frontier labonsite$142k–$347k
At a glance
Highlights
- Build the API serving SpaceXAI models to developers worldwide.
- Own high-throughput inference handling billions of tokens per minute.
- Help create AI systems to understand the universe and aid humanity.
What they offer
- equity
- comprehensive healthcare and dental coverage
- cash plan
- income protection
- life insurance
- discounts and perks
Ideal candidate
Hands-on engineer who thrives in small, flat teams and loves hard infrastructure challenges. Curious, driven, and motivated by building reliable systems that advance understanding of the universe.
Requirements
- 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
Lab profile
About xAI
Builds AI systems to understand the universe and advance human knowledge.
Known for
- Engineering excellence focus
- Large-scale data center operations