AI Engineer & Researcher - Multimodal Post-training

at x.ai
๐Ÿ‡บ๐Ÿ‡ธ United States - Remote
๐Ÿ’ป Software Development๐Ÿ”ต Mid-level

Job description

About xAI

xAIโ€™s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the companyโ€™s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All engineers and researchers are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.

About the Team

The Reasoning Efficiency team at xAI focuses on pushing the boundaries of cost-efficient intelligence.

About the Role

In this role you will:

  • Build the next generation of Multimodal Grok that excels at reasoning, tool usage to solve challenging problems
  • Work across the LLM stack (pre-training, SFT, RL) to deliver the strongest model for end users

Exceptional candidates may have:

  • Experience or publications in (multimodal) large language models (data / training algorithm / architecture)
  • Exceptional engineering skills to iterate quickly on the data processing and training pipelines
  • Strong understanding of large language model and data
  • Deep knowledge of reinforcement learning techniques

Location

  • We hire engineers in Palo Alto. Our team usually works from the office 5 days a week but allow work-from-home days when required. Candidates are expected to be located near Palo Alto or open to relocation.

Interview Process

After submitting your application, the team reviews your CV and statement of exceptional work. If your application passes this stage, you will be invited to a 15-minute interview (โ€œphone interviewโ€) during which a member of our team will ask some basic questions. If you clear the initial phone interview, you will enter the main process, which consists of four technical interviews:

  1. Coding assessment in a language of your choice.
  2. 2x post-training technical sessions: These sessions will be testing your ability to formulate, design and solve concrete problems in training data for post-training.
  3. Meet the Team: Present your past exceptional work and your vision with xAI to a small audience.

Our goal is to finish the main process within one week. All interviews will be conducted via Google Meet.

Annual Salary Range

$180,000 - $440,000 USD

xAI is an equal opportunity employer.

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