Job Description

xAI is seeking a highly motivated engineer to join the Reasoning Efficiency team and build the next generation of Grok Mini, focusing on cost-efficient intelligence and innovation across the LLM stack. The role requires hands-on contribution, strong communication, and a commitment to engineering excellence.

Responsibilities

• Build next-generation Grok Mini models
• Innovate scalable techniques for intelligence per dollar
• Work across the LLM stack (reasoning RL, pretraining, serving)
• Contribute directly to the company’s mission

Requirements

• Strong communication skills
• Strong work ethic and prioritization skills
• Experience with efficient algorithms for large language models (preferred)
• Exceptional engineering skills for rapid iteration (preferred)
• Understanding of large language model scaling laws (preferred)
• Deep knowledge of reinforcement learning techniques (preferred)
• Located near Palo Alto or open to relocation

Benefits

• No benefits