Senior JavaScript Expert for AI Training

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

Job summary

Prolific is seeking JavaScript specialists to join our Expert Network to help train and evaluate AI models with real engineering expertise. You’ll complete a short skills test and, if successful, get invited to join as a paid participant.

Applicants should have a BS/MS/PhD in CS or related field, strong experience building scalable web apps with JavaScript/TypeScript, and deep knowledge of the Event Loop, closures, and async patterns.

Qualifications

• BS, MS, or PhD in Computer Science, Software Engineering, or a closely related technical field.

Responsibilities

• Evaluate Code Accuracy: review AI-generated JavaScript and TypeScript code for functional correctness and adherence to best practices.
• Validate Logic & Reasoning: audit the step-by-step explanations provided by AI for complex algorithmic solutions to ensure they are logically sound.
• Conduct Execution Testing: execute model-generated scripts in appropriate environments (Node.js or Browser consoles) to verify performance and output.
• Annotate Model Performance: identify areas where a model provides inefficient solutions, deprecated syntax, or hallucinated library methods.
• Refine Technical Logic: provide structured feedback on how models reason through frontend or backend architecture discussions.

Skills

JavaScript ES6+

TypeScript

LeetCode Medium–Hard

Event Loop & Closures

Prototypical Inheritance

Async/Await

Clean Code & Modularity

Education

BS/MS/PhD in Computer Science or related field

Tools

Jest

Cypress

Webpack

Vite

Node.js

RESTful APIs

GraphQL

Job description

Prolific is seeking JavaScript specialists to join our Expert Network to help train and evaluate AI models with real engineering expertise. You’ll complete a short skills test and, if successful, get invited to join as a paid participant.

Applicants should have a BS/MS/PhD in CS or related field, strong experience building scalable web apps with JavaScript/TypeScript, and deep knowledge of the Event Loop, closures, and async patterns.