xAI
Palo Alto, California

Member of Technical Staff - Post-Training and RL

OnsitePosted Apr 29, 2026

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Job details

Location
Palo Alto, California
Work type
Onsite
Posted
Apr 29, 2026
Apply on
job-boards.greenhouse.io

About this role

Post-training and reinforcement learning focus; strong interest in truth-seeking AI; ML model development with RLHF/DPO; meritocratic, proactive communicator.

What you'll do at xAI:

  • working post-training
  • develop RL
  • optimize rewards

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About xAI

xAI
Palo Alto, California