Remote Senior JS AI Training Engineer

Prolific; United States; Remote; USD 57,000 - 81,000; Full time

Job summary

Prolific in the United States is seeking a JavaScript Specialist- AI Training to join its Expert Network. You will review and validate AI-generated JavaScript/TypeScript code and contribute to model training with real engineering expertise.

The role emphasizes evaluating code accuracy, reasoning, and execution in Node.js or browser environments, with competitive pay up to $50 per hour and the option to work from home.

Qualifications

• BS, MS, or PhD in Computer Science, Software Engineering, or a closely related technical field.
• Professional 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).
• A high standard for clean code, including modularity, readability, and adherence to modern ES6+ standards.
• Ability to spot subtle logical flaws, memory leaks, or security vulnerabilities (e.g., XSS, prototype pollution) in model-generated code.

Responsibilities

• Evaluate Code Accuracy: review AI-generated JavaScript/TypeScript code for functional correctness and best practices.
• Validate Logic & Reasoning: audit step-by-step explanations for complex algorithmic solutions.
• Conduct Execution Testing: run model-generated scripts in Node.js or browser consoles to verify performance and output.
• Annotate Model Performance: identify inefficient solutions, deprecated syntax, or hallucinated library methods.
• Refine Technical Logic: provide feedback on frontend/backend architecture discussions.

Skills

JavaScript

TypeScript

Event Loop

Async/Await

Prototypal Inheritance

ES6+

Security (XSS)

Education

BS/MS/PhD in CS/Software Eng or related

Tools

React

Node.js

Vue

Angular

Jest

Cypress

Webpack

Vite

Job description

Prolific in the United States is seeking a JavaScript Specialist- AI Training to join its Expert Network. You will review and validate AI-generated JavaScript/TypeScript code and contribute to model training with real engineering expertise.

The role emphasizes evaluating code accuracy, reasoning, and execution in Node.js or browser environments, with competitive pay up to $50 per hour and the option to work from home.