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AI Engineer & Researcher - Multimodal Post-training image - Rise Careers
Job details

AI Engineer & Researcher - Multimodal Post-training

xAI is a mission-driven AI company focused on engineering excellence and advancing AI systems to understand the universe and assist humanity. They seek a motivated AI Engineer & Researcher specializing in multimodal post-training to join their innovative Reasoning Efficiency team.

Skills

  • Experience with multimodal large language models including data, training algorithms, and architecture
  • Strong engineering skills for fast iteration on data and training processes
  • Deep understanding of large language models and relevant datasets
  • Knowledge of reinforcement learning techniques

Responsibilities

  • Build next-generation multimodal Grok models emphasizing reasoning and tool usage for challenging problems
  • Work cross-functionally on the large language model stack including pre-training, supervised fine-tuning (SFT), and reinforcement learning (RL)
  • Iterate rapidly on data processing and training pipelines
  • Collaborate and communicate effectively within a flat organizational team

Education

  • Relevant degree in Computer Science, Machine Learning, AI, or related technical fields

Benefits

  • Competitive salary within $180,000 - $440,000 range
  • Hybrid work arrangement with allowance for remote days
  • Opportunity to work at a cutting-edge AI research company with flat structure and leadership opportunities
To read the complete job description, please click on the ‘Apply’ button

Average salary estimate

$310000 / YEARLY (est.)
min
max
$180000K
$440000K

If an employer mentions a salary or salary range on their job, we display it as an "Employer Estimate". If a job has no salary data, Rise displays an estimate if available.

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MATCH
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FUNDING
SENIORITY LEVEL REQUIREMENT
TEAM SIZE
No info
HQ LOCATION
No info
SALARY RANGE
$180,000/yr - $440,000/yr
EMPLOYMENT TYPE
Full-time, hybrid
DATE POSTED
July 26, 2025
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