IT & Software

Senior Backend Engineer, API & Inference Platform

Xai

London · England · United Kingdom

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Salary: $107 – $262 per year

SpaceXSI is hiring a Senior Backend Engineer to build and operate a scalable inference platform used across Chat API, Imagine API, Voice API, Grok Build, and Grok Bot. The role emphasizes Rust/C++ and distributed systems with a focus on reliability and observability.

You will own platform services, design API features (batch, collections, files), and enforce robust security and data retention policies while supporting a global, follow-the-sun on-call model.

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Reference: WJ-766_24753349 · Posted 13 Nov 2026, 10:05 PM

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