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Member of Technical Staff, Web-scale Multimodal Modeling

xAI

Member of Technical Staff, Web-scale Multimodal Modeling

full-timePosted: Dec 29, 2025

Job Description

About xAI

xAI’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 company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All engineers are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.

Tech Stack

  • Python
  • JAX and XLA
  • Rust / C++
  • Spark / Ray

Focus

  • Training trillion parameter multimodal models at the web scale, as well as a variety of smaller specialized models.
  • Pushing boundaries in spatial-temporal compression, world modeling, multimodal reasoning, cross-modal alignment, and emergent capabilities.
  • Rapidly implementing the latest state-of-the-art methods from the deep learning literature.
  • Innovating new ideas for pretraining and new scaling paradigm.

Ideal Experience

  • Strong engineering skills with passion on model-hardware co-design.
  • Expert in ML and large model scaling, familiar with all kinds of scaling laws.
  • Familiar with distributed training, multi-GPU neural network training and experience on optimizing ML training efficiency.
  • Familiar with state-of-the-art techniques for multimodal language models, especially for image/video understanding.

Location

The role is based in the Bay Area [San Francisco and Palo Alto]. Candidates are expected to be located near the Bay Area or open to relocation.

Annual Salary Range

$180,000 - $440,000 USD

Benefits

Base salary is just one part of our total rewards package at xAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks.

xAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.

Locations

  • Palo Alto, CA,

Salary

180,000 - 440,000 USD / yearly

Skills Required

  • Pythonintermediate
  • JAX and XLAintermediate
  • Rust / C++intermediate
  • Spark / Rayintermediate
  • Strong engineering skillsintermediate
  • model-hardware co-designintermediate
  • ML and large model scalingintermediate
  • scaling lawsintermediate
  • distributed trainingintermediate
  • multi-GPU neural network trainingintermediate
  • optimizing ML training efficiencyintermediate
  • multimodal language modelsintermediate
  • image/video understandingintermediate
  • strong communication skillsintermediate

Required Qualifications

  • Strong engineering skills with passion on model-hardware co-design (experience)
  • Expert in ML and large model scaling, familiar with all kinds of scaling laws (experience)
  • Familiar with distributed training, multi-GPU neural network training and experience on optimizing ML training efficiency (experience)
  • Familiar with state-of-the-art techniques for multimodal language models, especially for image/video understanding (experience)

Responsibilities

  • Training trillion parameter multimodal models at the web scale, as well as a variety of smaller specialized models
  • Pushing boundaries in spatial-temporal compression, world modeling, multimodal reasoning, cross-modal alignment, and emergent capabilities
  • Rapidly implementing the latest state-of-the-art methods from the deep learning literature
  • Innovating new ideas for pretraining and new scaling paradigm

Benefits

  • general: equity
  • general: comprehensive medical, vision, and dental coverage
  • general: access to a 401(k) retirement plan
  • general: short & long-term disability insurance
  • general: life insurance
  • general: various other discounts and perks

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xAI logo

Member of Technical Staff, Web-scale Multimodal Modeling

xAI

Member of Technical Staff, Web-scale Multimodal Modeling

full-timePosted: Dec 29, 2025

Job Description

About xAI

xAI’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 company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All engineers are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.

Tech Stack

  • Python
  • JAX and XLA
  • Rust / C++
  • Spark / Ray

Focus

  • Training trillion parameter multimodal models at the web scale, as well as a variety of smaller specialized models.
  • Pushing boundaries in spatial-temporal compression, world modeling, multimodal reasoning, cross-modal alignment, and emergent capabilities.
  • Rapidly implementing the latest state-of-the-art methods from the deep learning literature.
  • Innovating new ideas for pretraining and new scaling paradigm.

Ideal Experience

  • Strong engineering skills with passion on model-hardware co-design.
  • Expert in ML and large model scaling, familiar with all kinds of scaling laws.
  • Familiar with distributed training, multi-GPU neural network training and experience on optimizing ML training efficiency.
  • Familiar with state-of-the-art techniques for multimodal language models, especially for image/video understanding.

Location

The role is based in the Bay Area [San Francisco and Palo Alto]. Candidates are expected to be located near the Bay Area or open to relocation.

Annual Salary Range

$180,000 - $440,000 USD

Benefits

Base salary is just one part of our total rewards package at xAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks.

xAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.

Locations

  • Palo Alto, CA,

Salary

180,000 - 440,000 USD / yearly

Skills Required

  • Pythonintermediate
  • JAX and XLAintermediate
  • Rust / C++intermediate
  • Spark / Rayintermediate
  • Strong engineering skillsintermediate
  • model-hardware co-designintermediate
  • ML and large model scalingintermediate
  • scaling lawsintermediate
  • distributed trainingintermediate
  • multi-GPU neural network trainingintermediate
  • optimizing ML training efficiencyintermediate
  • multimodal language modelsintermediate
  • image/video understandingintermediate
  • strong communication skillsintermediate

Required Qualifications

  • Strong engineering skills with passion on model-hardware co-design (experience)
  • Expert in ML and large model scaling, familiar with all kinds of scaling laws (experience)
  • Familiar with distributed training, multi-GPU neural network training and experience on optimizing ML training efficiency (experience)
  • Familiar with state-of-the-art techniques for multimodal language models, especially for image/video understanding (experience)

Responsibilities

  • Training trillion parameter multimodal models at the web scale, as well as a variety of smaller specialized models
  • Pushing boundaries in spatial-temporal compression, world modeling, multimodal reasoning, cross-modal alignment, and emergent capabilities
  • Rapidly implementing the latest state-of-the-art methods from the deep learning literature
  • Innovating new ideas for pretraining and new scaling paradigm

Benefits

  • general: equity
  • general: comprehensive medical, vision, and dental coverage
  • general: access to a 401(k) retirement plan
  • general: short & long-term disability insurance
  • general: life insurance
  • general: various other discounts and perks

Target Your Resume for "Member of Technical Staff, Web-scale Multimodal Modeling" , xAI

Get personalized recommendations to optimize your resume specifically for Member of Technical Staff, Web-scale Multimodal Modeling. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Member of Technical Staff, Web-scale Multimodal Modeling" , xAI

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

Foundation ModelFoundation Model
Quiz Challenge

Answer 10 quick questions to check your fit for Member of Technical Staff, Web-scale Multimodal Modeling @ xAI.

10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.