Senior JavaScript AI Training Engineer

Prolific; United States; Remote; USD 41,000 - 69,000; Full time

Job summary

Prolific is seeking a JavaScript Specialist for AI Training to join our Expert Network. You will evaluate and refine AI-generated JavaScript/TypeScript code using real engineering expertise, helping train and assess cutting-edge models.

Applicants should have strong JS/TS skills, knowledge of ES6+ patterns, and experience building scalable web apps. Remote, flexible hours, and competitive pay offered for expert contributors in the United States.

Qualifications

• BS, MS, or PhD in CS, software engineering, or related field.
• Professional experience building scalable web apps with JavaScript/TypeScript.
• Ability to solve LeetCode Medium–Hard problems in JavaScript.
• Deep knowledge of the Event Loop, closures, prototypical inheritance, and asynchronous patterns (Promises, async/await).
• Commitment to clean, modular, readable ES6+ code and security awareness.

Responsibilities

• Evaluate AI-generated JavaScript/TypeScript code for correctness.
• Audit explanations for logic and reasoning in complex algorithms.
• Run model-generated scripts in Node.js or browser consoles.
• Identify inefficiencies, deprecated syntax, or hallucinated methods.
• Provide feedback on frontend/backend architectural reasoning.

Skills

JavaScript/TypeScript

Web app development

LeetCode problems

Event loop

Async/Promises

Code quality

Security awareness

Education

BS/MS/PhD in CS

Job description

Prolific is seeking a JavaScript Specialist for AI Training to join our Expert Network. You will evaluate and refine AI-generated JavaScript/TypeScript code using real engineering expertise, helping train and assess cutting-edge models.

Applicants should have strong JS/TS skills, knowledge of ES6+ patterns, and experience building scalable web apps. Remote, flexible hours, and competitive pay offered for expert contributors in the United States.