Senior JavaScript Engineer for AI Training

Prolific; United States; Remote; USD 55,000 - 83,000; Full time

Job summary

Prolific is seeking a JavaScript Specialist to join our Expert Network. You will evaluate AI-generated JavaScript/TypeScript code for correctness and best practices, and audit AI explanations for algorithmic solutions.

You may run scripts in Node.js or browser consoles to verify performance and output, and provide feedback on reasoning and architecture. The role requires deep knowledge of the Event Loop, closures, and async patterns, with a focus on clean ES6+ code and security considerations

Qualifications

• BS/MS/PhD in Computer Science, Software Engineering, or closely related field.
• Professional experience building scalable web apps using JavaScript/TypeScript.
• Ability to solve LeetCode Medium to Hard problems in JavaScript.
• Deep knowledge of Event Loop, closures, prototypical inheritance and async patterns.
• High standard for clean, modular, readable code in ES6+.

Responsibilities

• Evaluate AI-generated JavaScript and TypeScript code for correctness and best practices.
• Audit AI explanations for complex algorithm solutions to ensure logical soundness.
• Execute model-generated scripts in Node.js or browser consoles to verify performance.
• Annotate model performance and identify inefficient solutions or security gaps.
• Provide structured feedback on frontend/backend architecture discussions.

Skills

JavaScript/TypeScript

Event Loop

Async/Await

ES6+ Standards

Code Quality

Security Awareness

LeetCode (JS)

Education

CS/SE degree

Tools

Node.js

React

Vue

Angular

Jest

Cypress

Webpack

Vite

Job description

Prolific is seeking a JavaScript Specialist to join our Expert Network. You will evaluate AI-generated JavaScript/TypeScript code for correctness and best practices, and audit AI explanations for algorithmic solutions.

You may run scripts in Node.js or browser consoles to verify performance and output, and provide feedback on reasoning and architecture. The role requires deep knowledge of the Event Loop, closures, and async patterns, with a focus on clean ES6+ code and security considerations