Software Engineer, xAI
Human Data
$55/hour - $65/hour
Building artificial intelligence
Job no longer available
Building artificial intelligence
1001+ employees
Job no longer available
$55/hour - $65/hour
1001+ employees
Company mission
To build AI systems that can help humanity understand the world better.
Role
Who you are
- Advanced proficiency in English, both verbal and written
- Knowledge in at least one of Python, Rust, JavaScript, C/C++, Java, Go, with a solid foundation in software development practices
- Strong grasp of computer science fundamentals
- Available to work evenings and weekends, as the schedule varies depending on team operational needs; flexibility is required
- Demonstrates a strong capacity to quickly adapt by learning new skills and unlearning outdated ones, thriving in dynamic and changing environments
Desirable
- 2 years of hands-on industry experience with a proven track record in software development and working with large code bases
- A high reputation on platforms like Stack Overflow
- Evidence of meaningful contributions to open source projects
- Evidence of strong performance in programming competitions, eg. a high rating on Codeforces, or success in the ICPC
- The ideal candidate for this role is adaptable, possesses strong logical reasoning skills applicable to various scenarios, is detail-oriented and thrives in a fast-paced work environment
- Extensive experience with a wide array of tools and systems such as databases, SQL, Kubernetes, Spark, Kafka, gRPC, AWS, etc
What the job involves
- As a Software Engineer on the Human Data team, you will be part of an elite group of software engineers responsible for improving frontier AI model capabilities on the most challenging software engineering problems
- To accomplish this, you will build, maintain and take ownership of large codebases, demonstrating how AI models should resolve complex issues
- You will work closely with the technical staff to identify blindspots in our models, and help design strategies to resolve these gaps
- We expect you to leverage your expertise in software to come up with new paradigms to evaluate frontier AI models, and at the same time learn insights into how these models are trained, and how to use them effectively
- Build, maintain and take ownership of codebases written in Python, Rust, JavaScript, C/C++, Java and Go
- Evaluate and refine AI-generated code, ensuring it adheres to industry standards for efficiency, scalability, and reliability
- Collaborate with cross-functional teams to evaluate and refine AI-generated code
Our take
xAI is Elon Musk's venture into the world of artificial intelligence, and like all things Musk, it's going big. Its setting out to build AI that helps humanity understand the universe and its 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, xAI is certainly pushing towards artificial general intelligence at serious scale.
Like all bold ventures, xAI has faced its share of controversy, from questions about regulation to the overlap across Musk's businesses. But fans are still seeing the bigger picture: an interconnected tech ecosystem where AI, social media, and space exploration feed into one another.
Recently, the company made headlines 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
Downtown, Burlingame, 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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