Software Engineer - Data Infrastructure (Pretraining Data)

Sorry, this job was removed at 12:12 a.m. (CST) on Monday, Nov 10, 2025
2 Locations
In-Office
Information Technology
The Role
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
  • Rust
  • Spark
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.

Focus
  • Building petabyte-scale, high-throughput data processing systems.
  • Managing workloads across large cloud compute clusters.
  • Pre-processing datasets for AI training.
Ideal Experiences
  • Strong engineering skills with passion to improve different aspects of data and model.
  • Has worked on one or more modalities other than text and demonstrated exceptional work.
  • Building bespoke data processing libraries from scratch.
  • Designing and implementing distributed systems in Rust.
  • Keeping up with state-of-the-art techniques for preparing AI training data.
  • Organizing and meticulously bookkeeping data across multiple clouds, of multiple modalities, and from many sources.
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:

  1. Coding assessment in a language of your choice.
  2. Systems hands-on: Demonstrate practical skills in a live problem-solving session.
  3. Project deep-dive: Present your past exceptional work to a small audience.
  4. Meet and greet with the wider team.

We don’t rely on recruiters for assessments. 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.

California Consumer Privacy Act (CCPA) Notice

Similar Jobs

Celonis Logo Celonis

Consultant

Big Data • Information Technology • Productivity • Software • Analytics • Business Intelligence • Consulting
Hybrid
Redwood City, CA, USA
3000 Employees
119K-165K Annually

ServiceNow Logo ServiceNow

Product Manager

Artificial Intelligence • Cloud • HR Tech • Information Technology • Productivity • Software • Automation
Remote or Hybrid
San Diego, CA, USA
28000 Employees
147K-258K Annually

ServiceNow Logo ServiceNow

Staff Software Engineer

Artificial Intelligence • Cloud • HR Tech • Information Technology • Productivity • Software • Automation
Remote or Hybrid
Santa Clara, CA, USA
28000 Employees
164K-286K Annually

ServiceNow Logo ServiceNow

Architect

Artificial Intelligence • Cloud • HR Tech • Information Technology • Productivity • Software • Automation
Remote or Hybrid
Santa Clara, CA, USA
28000 Employees
161K-265K Annually
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company
HQ: San Francisco, CA
96 Employees

What We Do

Understand the Universe

Similar Companies Hiring

Axle Health Thumbnail
Logistics • Information Technology • Healthtech • Artificial Intelligence
Santa Monica, CA
17 Employees
Scrunch AI Thumbnail
Software • SEO • Marketing Tech • Information Technology • Artificial Intelligence
Salt Lake City, Utah
Standard Template Labs Thumbnail
Software • Information Technology • Artificial Intelligence
New York, NY
10 Employees

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account