API Platform Engineer — Scalable Backend (Rust/C++)
london, england, United-Kingdom • Posted May 21, 2026
Job Type:
Full-time
Location:
london, england
Posted:
May 21, 2026
Category:
IT & Technology
Application Deadline:
June 30, 2026
Role Description
x.ai in Greater London is seeking a backend infrastructure engineer to build the xAI API for developers worldwide. Ideal candidates will have expert knowledge of Rust or C++, experience in designing and maintaining distributed systems, and a strong understanding of observability and reliability. Responsibilities include building high-throughput API infrastructure and managing system scalability. This role requires hands-on initiative and excellent communication skills in a collaborative environment.
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