xAI

xAI

Posted via Greenhouse

Software Engineer - Real-Time Storage

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
Have at least 7 years of experience in software development, plus 2+ years building storage systems or databases.

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Role Summary

AI-generated

This role joins a storage and database engineering team building a new storage tier that integrates SpaceXAI’s AI infrastructure into a platform used by around 600 million users monthly. The team operates object storage, transactional key/value storage, caching, vector database, and other specialized database systems supporting training, inference, recommendations, and real-time data extraction.

What You'll Do

  • Design, build, and launch production features and improvements that unify common components across storage systems
  • Investigate performance issues and work with customers to address latency, availability, and data durability requirements
  • Lead incident responses and recovery with peers
  • Review and contribute to incident postmortems
  • Mentor peers and conduct code and design reviews

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

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Qualifications

At least 7 years of software development experience, plus 2+ years building storage systems or databases; proficiency in high performance C++, Rust, or JVM-based languages; expertise in building, running, and operating scalable and resilient distributed systems.

Required

  • At least 7 years of experience in software development
  • 2+ years building storage systems or databases
  • High performance C++, Rust, or JVM-based languages
  • Building, running, and operating scalable and resilient distributed systems

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 looking for exceptional storage & database engineers who want to join us on a new project to deeply integrate SpaceXAI's advanced AI infrastructure into a platform used by around 600 million users every month. We’re building a new storage tier that powers training, inference, recommendations, and real-time data extraction. 

We build and operate:

  • An exabyte-scale S3-compatible object store
  • A multi-tenant transactional key/value store that serves 100s of millions requests per second
  • A caching tier that serves billions of requests per second
  • A scalable vector database that powers our recommendation systems
  • A few other specialized databases serving hundreds of millions requests per second   

RESPONSIBILITIES:

  • Design, build, and launch to production new features and improvements aimed at unifying common components across the storage systems
  • Dive into performance issues and work with customers and deliver solutions to cater to customers’ latency, availability and data durability requirements.
  • Lead and drive incident responses and recovery with your peers. Review and contribute to incident postmortems and hold a high bar for the same.
  • Work in a collaborative environment and uplevel your peers by doing mentoring, code and design reviews.
  • Be open to develop new skills and learn on the job as we navigate new technology spaces.
  • Ground your decisions with data and reasoning and adapt to new information to make informed choices.

BASIC QUALIFICATIONS:

  • Have at least 7 years of experience in software development, plus 2+ years building storage systems or databases.
  • Obsessed with reliability, performance, and quality
  • Proficient in high performance C++, Rust, or JVM-based languages
  • Expertise in building, running, and operating scalable and resilient distributed systems

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.