xAI

xAI

Posted via Greenhouse

Member of Technical Staff - Recommendation Systems

Posted Aug 5, 2026

Role at a glance

Salary
$180K – $440K/yr
Location
Palo Alto, California, United States
Work arrangement
On-site
Employment
Full-time
Experience
Experienced in implementing recommender systems and/or deep learning applications at industrial scale

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Role Summary

AI-generated

The Applied Engineer role supports a high-priority project used by approximately 600 million monthly users. The work focuses on recommendation systems, ranking algorithms, search technologies, and related systems to connect users with relevant content, accounts, and experiences.

What You'll Do

  • Design and architect recommendation algorithms across various product surfaces
  • Leverage SpaceXAI's infrastructure and AI stacks to enhance the user experience
  • Write data pipelines and training jobs that continuously learn from product data
  • Iterate and improve algorithms through real-time user feedback and experimentation
  • Ensure the scalability and efficiency of machine learning systems

Generated from the employer's posting. Verify important details before applying.

View full posting

Qualifications

Knowledge of data infrastructure like Kafka, Clickhouse, and Spark; experienced in implementing recommender systems and/or deep learning applications at industrial scale; skilled in one or more deep learning software frameworks such as JAX or PyTorch.

Required

  • Knowledge of data infrastructure like Kafka, Clickhouse, and Spark
  • Experienced in implementing recommender systems and/or deep learning applications at industrial scale
  • Skilled in one or more DL software frameworks such as JAX or PyTorch

Preferred

  • Experienced in writing CUDA kernels

Original job description

Content provided by the employer

SpaceXAI’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 employees 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 seeking exceptional Applied engineers to join a high-priority project that approximately 600 million monthly users use. This is an exciting opportunity for individuals with a engineer or scientist background to apply their skills to recommendation systems, ranking algorithms, search technologies, and many other systems. You’ll work at the intersection of advanced AI development and real-world impact, enhancing the ability to connect users with relevant content, accounts, and experiences.

RESPONSIBILITIES:

  • Designing and architecting recommendation algorithms across various product surfaces
  • Leverage all of SpaceXAI's infra and AI stacks to dramatically enhance the user experience
  • Write data pipelines and training jobs that continuously learn from product data.
  • Iterate and improve the algorithm by gathering user feedback in real time through experimentation
  • Ensuring scalability and efficiency of machine learning systems

BASIC QUALIFICATIONS:

  • Knowledge of data infrastructure like Kafka, Clickhouse, and Spark
  • Experienced in implementing recommender systems and/or deep learning applications at industrial scale
  • Skilled in one or more DL software frameworks such as JAX or PyTorch
  • Exceptional candidates may be experienced in writing CUDA kernels

COMPENSATION AND BENEFITS:

$180,000 - $440,000 USD

Base salary is just one part of our total rewards package at SpaceXAI, 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.

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

xAI

About the company

xAI

Large Enterprise

xAI is a cutting-edge technology company focused on developing advanced artificial intelligence solutions to enhance human capabilities and optimize decision-making processes. Founded by a team of leading experts in AI and machine learning, xAI aims to address complex challenges across various industries, including healthcare, finance, and transportation. By prioritizing ethical AI development, the company is committed to creating innovative tools that empower organizations to harness the full potential of artificial intelligence while ensuring transparency and accountability.