Sr. Backend Engineer, API is open at xAI in London, England, United Kingdom. The posting gives a salary of £107K - £262K. Posted on Apr 24, 2026, and still on xAI’s careers page when we last checked, on Nov 14, 2026.
About the role
Build and maintain the unified inference stack as the single surface area for all inference needs across the company Own and evolve the platform services that power Chat API, Imagine API, Voice API, Grok Build, and Grok Bot Design, build, and maintain Chat API features including batch API, collections API, files API, and related capabilities Implement and operate chat moderation and abuse protection systems across…
The opening lines of the posting. The rest is on xAI’s careers page.
Hiring at xAI
xAI has 296 open roles right now, 20 of them remote. Most are in Engineering, Manufacturing & Trades and Operations. The median advertised salary across its roles with a published range is $205K. See all its roles
