xAI pioneers AI to accelerate human scientific discovery. Backend Engineers on Grok Chat craft robust server-side architecture for our cutting-edge conversational AI. Develop high-throughput APIs handling millions of queries daily. Optimize data pipelines for low-latency responses in multi-tenant environments. Collaborate on core features like context-aware threading and multimodal integrations. Tackle scaling challenges for Grok's evolving capabilities. BS in Computer Science or equivalent. 4+ years backend experience. Proficiency in Python, Go, or Rust; PostgreSQL and Redis. Strong grasp of distributed systems. Excel in async programming and microservices design. Thrive in fast-paced innovation. Dynamic, mission-driven culture. Competitive compensation and benefits.