xAI

Build and ship high-impact advertising products for X Ads, spanning backend systems, distributed infrastructure, targeting, optimization, measurement, and AI-powered features. This early-career role offers meaningful ownership on systems operating at massive scale.

Build and optimize the high-performance inference platform serving Grok at massive scale. This hands-on role spans distributed model-serving infrastructure, GPU-level optimization, reliability, and next-generation inference research.

Site Reliability Engineer responsible for campus-scale reliability across compute, network, storage, power, and cooling systems. The role leads major incident response, observability strategy, and cross-functional corrective action in a data center environment.

Build reliable backend and full-stack platforms that keep large-scale data center operations accurate, auditable, and efficient. You’ll work directly with SiteOps and NOC users on workflows, integrations, dashboards, and operational data systems.

Build and operate high-performance search infrastructure that supports massive indexing and query workloads. You’ll shape search internals, improve reliability and performance, and lead incident response for mission-critical systems.

Build scalable APIs and platform systems that connect developers and automated agents with X data and functionality. You will help evolve a highly available developer ecosystem serving customers worldwide.

Build the Linux-based operating system, device drivers, and production platform software powering a supercomputer network fabric. This hands-on role spans kernel and systems programming, hardware bring-up, debugging, reliability, and collaboration with hardware teams.

Build and own the evaluation platform that measures AI model capabilities, improves datasets, and diagnoses agent failures. This hands-on role combines software engineering, research infrastructure, and exceptional product judgment.