Senior JS/TS Engineer for AI Training (Remote)

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

Job summary

Prolific is seeking a JavaScript Specialist to join our Expert Network for AI training and evaluation. You'll review AI-generated code, validate logic, and run tests in Node.js or browser environments, contributing to safer, higher-quality models.

Requirements include a BS/MS/PhD in a technical field and proven experience with JavaScript/TypeScript, ES6+ standards, and modern frameworks. Earn up to $50/hour with flexible, remote work and strong emphasis on security practices.

Qualifications

• Education: BS, MS, or PhD in Computer Science, Software Engineering, or related technical field.
• Professional experience building scalable web applications using JavaScript/TypeScript.
• Ability to solve LeetCode Medium to Hard problems in JavaScript.
• Deep knowledge of Event Loop, closures, prototypical inheritance, and async patterns.
• Code quality with modularity, readability, and ES6+ standards.
• Attention to memory leaks and security vulnerabilities (XSS, prototype pollution).

Responsibilities

• Evaluate AI-generated JavaScript/TypeScript code for correctness and best practices.
• Validate logic and reasoning of model explanations for complex algorithms.
• Conduct execution testing in Node.js or browser consoles.
• Annotate model performance; identify inefficient code or deprecated APIs.
• Provide structured feedback on frontend/backend reasoning and architecture discussions.

Skills

JavaScript

TypeScript

Event Loop

Closures

Prototype Inheritance

Async Patterns

Code Quality

Security (XSS)

Memory Leaks

Object Prototypes

Education

BS/MS/PhD in CS or Software Engineering

Tools

React

Node.js

Vue

Angular

Jest

Cypress

Webpack

Vite

Job description

Prolific is seeking a JavaScript Specialist to join our Expert Network for AI training and evaluation. You'll review AI-generated code, validate logic, and run tests in Node.js or browser environments, contributing to safer, higher-quality models.

Requirements include a BS/MS/PhD in a technical field and proven experience with JavaScript/TypeScript, ES6+ standards, and modern frameworks. Earn up to $50/hour with flexible, remote work and strong emphasis on security practices.