Remote JS Expert for AI Training & Evaluation

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

Job summary

Prolific is seeking a JavaScript Specialist to join our Expert Network, helping train and evaluate AI models with real engineering expertise.

As a JavaScript/TypeScript expert, you’ll review AI-generated code, validate logic, run tests in Node.js or browsers, and provide structured feedback to improve model accuracy. Remote collaboration, competitive pay, and flexible hours are offered.

Qualifications

• BS, MS, or PhD in Computer Science, Software Engineering, or related field.
• Professional experience building scalable web apps with JavaScript/TypeScript.
• Ability to solve LeetCode Medium to Hard problems in JavaScript.
• Deep understanding of Event Loop, closures, prototypes, and async patterns.
• High standard for clean, modular, readable ES6+ code.
• Attention to subtle flaws, memory leaks, and security issues (XSS, prototype pollution).

Responsibilities

• Evaluate AI-generated JavaScript/TypeScript code for correctness.
• Audit AI explanations for logic and reasoning.
• Run model-generated scripts in Node.js or browsers to verify performance.
• Annotate model performance and identify deprecated syntax.
• Provide structured feedback to refine frontend and backend architecture discussions.

Skills

Education

Professional Experience

Coding Proficiency

Deep Domain Knowledge

Code Quality

Attention to Detail

Education

BS/MS/PhD in CS or related field

Tools

Jest

Cypress

Webpack

Vite

Job description

Prolific is seeking a JavaScript Specialist to join our Expert Network, helping train and evaluate AI models with real engineering expertise.

As a JavaScript/TypeScript expert, you’ll review AI-generated code, validate logic, run tests in Node.js or browsers, and provide structured feedback to improve model accuracy. Remote collaboration, competitive pay, and flexible hours are offered.