Senior JavaScript AI Training Engineer — Remote

Prolific; United States; Remote; USD 55,000 - 69,000; Full time

Job summary

Prolific is seeking a JavaScript/TypeScript expert to join our Expert Network for training and evaluating AI models. You will review AI-generated code, verify reasoning, and run tests in Node.js or browsers from a remote setup, with paid task-based engagements.

Ideal candidates have strong JS/TS skills, knowledge of modern ES6+ features, and a track record of building scalable web apps. Flexible hours and work-from-home opportunities are offered.

Qualifications

• Education: a BS, MS, or PhD in Computer Science, Software Engineering, or closely related technical field.
• Professional experience building scalable web apps using JavaScript/TypeScript.
• Coding proficiency solving LeetCode Medium to Hard in JavaScript.
• Deep domain knowledge: Event Loop, closures, prototypical inheritance, async patterns.
• Code quality with clean, modular, readable ES6+ code.
• Attention to detail: spot memory leaks, XSS, prototype pollution in model code.

Responsibilities

• Evaluate code accuracy: review AI-generated JS/TS for correctness and best practices.
• Validate logic and reasoning: audit AI explanations for complex algorithms.
• Conduct execution testing: run scripts in Node.js or browser consoles.
• Annotate model performance: identify inefficient code or deprecated methods.
• Refine technical logic: provide feedback on frontend/backend architecture reasoning.

Skills

JavaScript

TypeScript

Event Loop

Closures

Prototypes

Asynchronous patterns

Education

BS in Computer Science

MS in Computer Science

PhD in CS

Tools

Jest

Cypress

Webpack

Vite

Node.js

Job description

Prolific is seeking a JavaScript/TypeScript expert to join our Expert Network for training and evaluating AI models. You will review AI-generated code, verify reasoning, and run tests in Node.js or browsers from a remote setup, with paid task-based engagements.

Ideal candidates have strong JS/TS skills, knowledge of modern ES6+ features, and a track record of building scalable web apps. Flexible hours and work-from-home opportunities are offered.