Javascript - Senior Developers - AI Training - Colorado Springs, US

Prolific is building a large pool of quality human data for AI development. Over 35,000 AI developers, researchers, and organizations use the platform to gather data from paid study participants.

The role

We're looking for JavaScript Experts to help train and evaluate cutting-edge AI models using real engineering expertise. Candidates complete a short assessment to evaluate their suitability for AI tasks. Successful candidates are invited to participate in paid AI training and evaluation projects.

Researchers looking for these skills tend to pay up to $50 per hour. Tasks may require one hour of uninterrupted work, though many are shorter.

What you'll bring

• 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 including Promises and async/await
• High standards for clean code, modularity, readability, and modern ES6+ standards
• Ability to identify logical flaws, memory leaks, and security vulnerabilities such as XSS and prototype pollution in generated code

What you'll be doing in the role

• Review AI-generated JavaScript and TypeScript code for correctness and best practices
• Audit AI-generated explanations for algorithmic and technical accuracy
• Execute generated scripts in Node.js or browser environments to verify performance and output
• Identify inefficient solutions, deprecated syntax, and hallucinated library methods
• Provide structured feedback on frontend and backend architecture reasoning

Key Technologies

• JavaScript (ES6+) and TypeScript
• React, Node.js, Vue, and Angular
• Jest, Cypress, Webpack, and Vite
• RESTful APIs, GraphQL, and server-side Node.js logic

Why join as a Participant

Joining the Expert Network offers the opportunity to contribute to the development of future AI models using professional engineering expertise. Participants can access competitive pay, flexible hours, and remote work opportunities after passing the assessment.

Links & Privacy

By submitting an application, candidates agree that personal data may be collected for recruiting and organizational planning purposes as described in the Candidate Privacy Notice.