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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 employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.
About the Role
Join a pioneering team at xAI to ensure our AI products are safe, reliable, and exceptional for users worldwide. We’re shaping the future of AI innovation, delivering trustworthy and delightful experiences at scale. As a Backend Engineer on the Product Safety team, you’ll build robust, high-performance systems to safeguard our AI, tackling complex challenges to impact millions. This is your chance to redefine AI safety.
What You’ll Do
- Build distributed systems to enforce safety and integrity at scale.
- Create frameworks for monitoring and moderation to stay ahead of risks.
- Build safety features in collaboration with other AI experts.
- Drive projects from concept to production with speed and precision.
Who You Are
- A proactive problem-solver who turns ideas into reality.
- Experienced in designing high-performance, high-load systems for production.
- Passionate about AI safety and building trusted, impactful products.
- (Strong plus) Background in product safety or moderation platforms.
- (Strong plus) Familiar with DevOps and CI/CD pipelines.
Tech Stack
- Python (required)
- Rust (strongly preferred)
- Scala (familiarity preferred)
- RESTful APIs, gRPC
- Microservices, Docker, Kubernetes
- SQL/NoSQL databases
- Major cloud service providers (CSPs) or on-prem deployments
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 phone screening with a member of the team. If you clear that interview, you will enter the main process, which consists of four steps:
- Coding in Python Round 1.
- Coding in Python Round 2.
- Coding in Python & System Design.
- Meet the Team: Present your past exceptional work to the wider team.
Our goal is to finish the main process within one week. There will be at least one in-person interview.
Annual Salary Range
$180,000 - $440,000 USD
BenefitsBase 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.
xAI San Francisco, California, USA Office
3180 18th St., San Francisco, CA, United States
xAI Palo Alto, California, USA Office
1450 Page Mill Road, Palo Alto, CA, United States
What you need to know about the San Francisco Tech Scene
Key Facts About San Francisco Tech
- Number of Tech Workers: 365,500; 13.9% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Google, Apple, Salesforce, Meta
- Key Industries: Artificial intelligence, cloud computing, fintech, consumer technology, software
- Funding Landscape: $50.5 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Sequoia Capital, Andreessen Horowitz, Bessemer Venture Partners, Greylock Partners, Khosla Ventures, Kleiner Perkins
- Research Centers and Universities: Stanford University; University of California, Berkeley; University of San Francisco; Santa Clara University; Ames Research Center; Center for AI Safety; California Institute for Regenerative Medicine
