Backend Engineering Specialist jobs in United States
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xAI · 8 hours ago

Backend Engineering Specialist

positionUnited States
timeFull-time
remoteRemote
senioritySenior Level
money$45/hr - $100/hr
date5+ years exp

xAI is on a mission to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. As a Backend Engineering Specialist on the Human Data team, you will create datasets for training large language models and collaborate with technical staff to enhance AI-driven coding solutions.

Artificial Intelligence (AI)Foundational AIGenerative AIInformation TechnologyMachine Learning
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Growth OpportunitiesbadNo H1Bnote

Responsibilities

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 Back-End Specialist will focus on any and all Enterprise 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

Qualification

PythonNode.jsRESTful APIsGraphQLDatabase managementWeb security principlesAsynchronous processingTesting frameworksDockerTypeScriptReactLogical reasoningDetail-oriented

Required

5+ years of professional back-end development experience
Proficient in multiple server-side languages (Python, Node.js)
Strong experience designing and implementing RESTful APIs and GraphQL endpoints
Hands-on experience with both relational (PostgreSQL, MySQL) and non-relational (MongoDB, Redis) databases
Understanding of database optimization, indexing strategies and query performance
Deep understanding of web security principles, including authentication, authorization and data protection
Experience with asynchronous processing and background job systems
Experience with testing frameworks for unit, integration and end-to-end testing

Preferred

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 technologies (Docker)
Familiarity with front-end technologies (TypeScript, React) to enable effective cross-functional collaboration

Benefits

Medical benefits

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
Palo Alto, California, USA
people-size11-50 employees
web-link
https://x.ai

Funding

Current Stage
Late Stage
Total Funding
$42.73B
Key Investors
Neptune Digital AssetsSpaceXMorgan Stanley
2026-01-06Series E· $20B
2025-12-11Secondary Market· $0.3M
2025-07-13Corporate Round· $5.32B

Leadership Team

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Greg Yang
Co-Founder
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Yuhuai Wu
Co-Founder
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Company data provided by crunchbase