Backend Engineering Specialist

About xAI

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 engineers are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.

About the Role

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.

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.

Required Qualifications

• 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 Qualifications

• 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.

Interview Process

• Technical hands-on live coding round

• Hiring Manager / Final interview round

Location & Other Expectations

• US-based candidates cannot be hired in Wyoming or Illinois at this time.

• Visa sponsorship is not available.

• 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.

Compensation

$35/hour - $100/hour

The posted pay range is intended for U.S.-based candidates and depends on factors including relevant experience, skills, education, geographic location, and qualifications. For international candidates, our recruiting team can provide an estimated pay range for your location.

Benefits:

Hourly pay is just one part of our total rewards package at xAI. Specific benefits vary by country, depending on your country of residence you may have access to medical benefits. We do not offer benefits for part-time roles.

xAI is an equal opportunity employer.

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