Senior Backend Engineer - Starfleet jobs in United States
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xAI · 1 day ago

Senior Backend Engineer - Starfleet

positionPalo Alto, CA
timeFull-time
remoteOnsite
senioritySenior Level
money$180K/yr - $440K/yr

xAI is on a mission to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. The Senior Backend Engineer will design and build robust, scalable backend systems to power AI-driven tools and platforms, while collaborating closely with research teams to develop innovative solutions.

Artificial Intelligence (AI)Generative AIInformation TechnologyMachine Learning
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Growth Opportunities
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H1B Sponsor Likelynote

Responsibilities

Design and build robust, scalable backend systems to power our AI-driven tools and platforms
Develop APIs and distributed systems that handle high-throughput data processing for model training and evaluation
Create secure, reliable pipelines to support innovative human data generation and agentic workflows
Optimize infrastructure to leverage cutting-edge GPU resources for maximum performance
Innovate new approaches that bring us closer to our goal: to develop AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge

Qualification

Backend systems designDistributed systemsAPI developmentData pipeline optimizationRustPythonTypescriptPrioritization skillsFrontend technologiesCommunication skillsWork ethic

Required

Strong communication skills
Experience designing and building robust, scalable backend systems
Experience developing APIs and distributed systems that handle high-throughput data processing
Ability to create secure, reliable pipelines for human data generation and workflows
Experience optimizing infrastructure for GPU resources
Ability to innovate new approaches for AI systems

Preferred

Experience building high-performance backend systems in dynamic, fast-paced environments
Expertise in designing scalable distributed systems and APIs with a compiled language like Rust or C++
Experience optimizing data pipelines for machine learning workloads or real-time applications
Familiarity with frontend technologies (e.g., TypeScript, React)

Company

xAI

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XAI is an artificial intelligence startup that develops AI solutions and tools to enhance reasoning and search capabilities.
dateFounded in 2023
location
Burlingame, California, USA
people-size11-50 employees
web-link
https://x.ai

H1B Sponsorship

xAI has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)

Funding

Current Stage
Growth Stage
Total Funding
$22.73B
Key Investors
Neptune Digital AssetsSpaceXMorgan Stanley
2025-12-11Secondary Market· $0.3M
2025-07-13Corporate Round· $5.32B
2025-07-01Debt Financing· $5B

Leadership Team

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Toby Pohlen
Founding Member
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Company data provided by crunchbase