System Design Specialist, SpaceXAI
$45 - $100 USD per hour
More information about location
Building artificial intelligence
Job no longer available
Building artificial intelligence
1001+ employees
Job no longer available
$45 - $100 USD per hour
More information about location
1001+ employees
Company mission
To build AI systems that can help humanity understand the world better.
Role
Who you are
- 5+ years of professional experience working with large codebases
- 5+ years of professional experience designing, implementing, deploying, and testing distributed systems
- Strong knowledge of data structures and algorithms
- Experience integrating databases (e.g. MySQL, MongoDB)
- Experience creating and extending database schemas
- Experience with application specific frameworks (e.g. SpringBoot, ASP.NET)
- Experience with integrating with cloud services (e.g. AWS, Azure)
- Experience with integration of logging, performance monitoring, and alerting systems
- Strong understanding of application tradeoffs when choosing different technologies or implementations
- For remote positions, candidates should have a reliable high-speed internet connection, along with a functioning camera and microphone for seamless participation in virtual meetings
Desirable
- The ideal candidate for this role is adaptable, possesses strong logical reasoning skills, is detail-oriented, and thrives in a fast-paced work environment
- Experience with containerization tools (Docker or Podman)
- Proficiency in 2 or more programming languages (e.g. Python, JS, Java, C++)
What the job involves
- As a Software Engineering Specialist on the Human Data team, you'll create cutting-edge datasets for training, benchmarking, and advancing large language models, collaborating closely with technical staff
- You'll support xAI's mission by teaching AI models about human interactions, reactions, and problem-solving approaches through labeling and annotating data in text, voice, and video formats
- This includes curating code examples, providing precise solutions, and making corrections in Python, JavaScript (including ReactJS), C/C++, Java, Rust, and Go
- Evaluating and refining AI-generated code for efficiency, scalability, and reliability; and working with cross-functional teams to enhance enterprise-level AI-driven coding solutions
- Tasks may involve gathering or providing data, such as recording audio or video sessions, with which candidates must be comfortable to drive innovation
- AI model training initiatives by curating code examples, offering precise solutions, and meticulous corrections in Python, JavaScript (including ReactJS), C/C++, Java, Rust and Go
- The System Design Specialist will focus on any and all System Design aspects, as listed in ‘Required Qualifications’ section
- Evaluate and refine AI-generated code, ensuring it adheres to industry standards for efficiency, scalability, and reliability
- Collaborate with cross-functional teams to enhance AI-driven coding solutions, ensuring they meet enterprise-level quality and performance benchmarks
- Team members are expected to work from 9:00am - 5:30pm PST for the first two weeks of training, and 9:00am - 5:30pm in their own timezone thereafter
Application process
- After submitting your application, our team will review your CV and statement of exceptional work
- If your application advances, you will be invited to a 15-minute phone interview to discuss basic qualifications. Successful candidates will proceed to the main process, which includes:
- Technical deep-dive: Discussing your legal and compliance expertise and data annotation experience
- A take-home challenge focused on legal or compliance data labeling or analysis
- A meet-and-greet with the wider team
- Our goal is to complete the main interview process within one week
Our take
SpaceXAI, formerly XAI, is Elon Musk's venture into the world of artificial intelligence, and like all things Musk, it's going big. It's setting out to build AI that helps humanity understand the universe, and it's starting with Grok, its conversational AI chatbot already integrated into X (formerly Twitter). With access to real-time data and a powerful ecosystem of Musk-led companies, SpaceXAI is certainly pushing towards artificial general intelligence at serious scale.
Like all bold ventures, SpaceXAI has faced its share of controversy, from questions about regulation to the overlap across Musk's businesses (most recently, XAI became a subsidiary of the Musk-owned SpaceX). But fans are still seeing the bigger picture: an interconnected tech ecosystem where AI, social media, and space exploration feed into one another.
The company made headlines in 2024 with its massive "Colossus" supercomputer project, powered by tens of thousands of Nvidia GPUs. While the data center's temporary power setup has faced environmental scrutiny, the scale of ambition is certainly undeniable. From launching tap-to-pay features on X to building one of the most powerful AI training systems on Earth, xAI is moving fast.
Steph
Company Specialist at Welcome to the Jungle
Company
Funding (last 2 of 5 rounds)
Jan 2026
$20bn
SERIES E
Jul 2025
$5bn
GROWTH EQUITY VC
Total funding: $37.1bn
Company benefits
- Health and wellness: Comprehensive health insurance including medical, dental, vision, and disability coverage
- Life and family: Life and AD&D insurance and fertility benefits to ensure our team’s well-being and peace of mind
- Flexible vacation: We work hard but avoid burn out. Take time off when you need it
- Visa sponsorship: We support international talent with visa sponsorship to join our team
- 401(k) plan: Retirement savings plan to secure your financial future
Company HQ
Palo Alto, CA
Leadership
Elon Musk
(Founder)Founder, Chairman, CEO, and CTO of SpaceX. CEO and Product Architect of Tesla. Chairman and CTO of X Corp, founder of the Boring Company, co-founder of Neuralink and OpenAI, and president of the Musk Foundation.
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