[Omni] Member of Technical Staff, World Model

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.

About the Role

The omni team at xAI creates magical AI experiences beyond text, enabling understanding and generation of content across various modalities, including image, video, and audio.

As a multimodal engineer, you will drive the development of real‑time video and multimodal world models through various aspects such as data, modeling, training, serving, and product. You will work on both pre‑training and post‑training and collaborate with product teams to push the frontiers of model capability as well as the end‑to‑end user experience.

Focus

• Creating and driving agendas to advance real‑time world simulation capabilities.
• Improving data quality, developing data filtering/generation techniques, and performing data study.
• Creating evaluation frameworks and internal benchmarks.
• Designing and implementing effective and efficient algorithms for achieving state‑of‑the‑art model performance.

Ideal Experiences

• Track record in leading studies that significantly improves the capability and performance of neural networks, whether better data or better modeling.
• Experience in data‑driven experiment designs and systematic analysis for iterative model debugging.
• Experience in developing or working with large‑scale distributed machine learning systems.
• Experience in graphics engines and rendering techniques is considered an advantage.
• Ability to do whatever is necessary to deliver the best end‑to‑end user experience.

Location

The role is based in the Bay Area (San Francisco and Palo Alto) and Seattle, WA. Candidates are expected to be located near the Bay Area or Seattle or open to relocation.

Tech Stack

• Python
• Jax
• Rust

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 (“phone interview”) 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:

• One‑on‑one discussion & coding interviews (three meetings total)
• Project deep‑dive: Present your past exceptional work and your vision with xAI to a small audience.

Every application is reviewed by a member of our technical team. All interviews will be conducted via Google Meet.

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.

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