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 We're looking for exceptional Ads engineers who want to join us on a new project to integrate xAI's advanced AI infrastructure deeply into the Ads Platform. We're looking for individuals who have built exceptional advertising products and systems at massive scale. We're bringing and using xAI's technology stack to transform our advertising stack.

What You'll Do

• Be involved in the full array of xAI's work, including ideation, experimentation, implementation, and maintenance of distributed systems and product features.
• Leverage all of xAI's infra and AI stacks to dramatically enhance advertising products.
• Own and operate systems and products driving the majority of X's revenue.

Who You Are

• 5+ years of industry experience building large scale and high-performance advertising products.
• Strong software engineering fundamentals with expertise in full stack development.
• Proven ability to write clean, scalable, and maintainable code in a collaborative environment
• Experience with ads delivery, targeting, measurement, or optimization systems is a strong plus.
• Solid understanding of backend technologies, distributed systems, and data processing pipelines
• Excellent problem-solving skills and a passion for performance, reliability, and product impact
• Obsessed with building great product experiences.

Tech Stack React, Golang, Python, Rust, gRPC, Java/Scala

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 15-30 minutes phone interview, during which a member of our team will ask technical questions. If you clear the phone interview, you will proceed to next steps:

• Coding challenge
• Ads Domain assessment
• Meet and greet with the wider team

Our goal is to complete the process within one week. All interviews will be conducted in person when applicable.

Annual Salary Range $180,000 - $440,000 USD

Location The role is based in Palo Alto. Candidates are expected to be located near the Bay Area or open to relocation.

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