Remote Senior JavaScript AI Engineer

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

Job summary

Prolific is seeking a JavaScript Specialist- AI Training to join our Expert Network. You’ll review and evaluate code from AI models, contributing to training and testing powerful systems while earning competitive pay and pairing real engineering expertise with AI tasks.

Remote work is available with flexible hours; successful candidates will complete a brief test to join Prolific as a participant and are paid for your expertise and time.' You’ll be invited to work on real-world AI evaluation

Qualifications

• BS, MS, or PhD in Computer Science, Software Engineering, or closely related technical field.
• Proven experience building scalable web applications using JavaScript/TypeScript.
• Ability to solve LeetCode Medium to Hard-level problems in JavaScript independently.
• Expert understanding of the Event Loop, closures, prototypical inheritance, and asynchronous patterns (Promises, async/await).
• High standard for clean, modular, readable ES6+ code.
• Ability to spot memory leaks and security vulnerabilities (e.g., XSS, prototype pollution) in model-generated code.

Responsibilities

• Evaluate AI-generated JavaScript and TypeScript code for functional correctness and best practices.
• Audit AI explanations for complex algorithms to ensure logical soundness.
• Execute model-generated scripts in Node.js or browser environments to verify performance and output.
• Identify inefficient solutions, deprecated syntax, or hallucinated library methods in models.
• Provide structured feedback on how models reason through frontend or backend architecture discussions.

Skills

JavaScript/TypeScript

Code quality

Security awareness

Problem solving (LeetCode)

Testing & QA

Education

BS/MS/PhD in CS/Software Eng

Tools

React

Node.js

Vue

Angular

Jest

Cypress

Webpack

Vite

Job description

Prolific is seeking a JavaScript Specialist- AI Training to join our Expert Network. You’ll review and evaluate code from AI models, contributing to training and testing powerful systems while earning competitive pay and pairing real engineering expertise with AI tasks.

Remote work is available with flexible hours; successful candidates will complete a brief test to join Prolific as a participant and are paid for your expertise and time.' You’ll be invited to work on real-world AI evaluation