About the job
About xAI
At xAI, we are on a transformative mission to develop AI systems that deeply understand the universe and enhance humanity's quest for knowledge. Our elite team is compact yet highly driven, dedicated to engineering excellence. We welcome individuals who relish challenges and thrive on intellectual curiosity. With a flat organizational structure, we empower all employees to engage hands-on and directly contribute to our mission. Initiative and consistent excellence are recognized with leadership opportunities. Strong work ethic and prioritization skills are essential, as is the ability to communicate effectively and succinctly with teammates.
About the Team
The AI Search Team is committed to making Grok the premier AI system for information retrieval, adept at gathering real-time data from diverse sources. Our responsibilities include curating high-quality data for reinforcement learning (RL) training, evaluating and benchmarking AI systems to identify product issues, and developing tools that enhance the capabilities of reasoning models.
About the Role
As a member of our team, you will:
- Create evaluation benchmarks for next-generation search agents.
- Develop innovative and challenging RL data using scalable synthetic and human data pipelines.
- Design and implement verification processes and RL algorithms to establish the best open-ended development system.
- Build an array of tools to facilitate seamless model exploration on the internet.
Exceptional candidates may possess:
- Expertise in large language models (LLMs) and information retrieval evaluation data curation.
- Experience with human and synthetic data generation for reinforcement learning.
- Knowledge of AI search or agentic search systems.
- Strong engineering and programming skills.
Location
- This position is based in Palo Alto, CA. Our team typically works in the office five days a week, with flexibility for remote work as needed. Candidates should be located near Palo Alto or be open to relocation.

