API Platform Engineer — Scalable Backend (Rust/C++)

Company: x.ai
Apply for the API Platform Engineer — Scalable Backend (Rust/C++)
Location: London
Job 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.#J-18808-Ljbffr…

Posted: June 6th, 2026