Javascript - Senior Developers - AI Training - Seattle, USA

Role overview Use professional JavaScript and TypeScript experience to help train and evaluate AI models. Work consists of reviewing generated code and technical explanations, running scripts to check their behavior, and giving structured feedback on model performance. An initial skills assessment is required before joining the expert participant network.

Responsibilities - Check generated JavaScript and TypeScript for correctness, clarity, and sound engineering practices. - Assess explanations of algorithmic solutions for logical accuracy. - Run scripts in Node.js or browser tools and inspect their output and performance. - Flag inefficient approaches, outdated syntax, nonexistent library methods, security issues, and other subtle defects. - Provide feedback on model reasoning about frontend and backend architecture.

Requirements - A degree in computer science, software engineering, or a closely related technical subject. - Professional experience building scalable web applications with JavaScript or TypeScript. - Ability to solve medium to hard algorithmic coding problems independently in JavaScript. - Strong command of the event loop, closures, prototypal inheritance, promises, and async/await. - Careful, readable, modular coding that follows modern JavaScript standards. - Experience with frameworks such as React, Node.js, Vue, or Angular; testing and build tools such as Jest, Cypress, Webpack, or Vite; and REST or GraphQL APIs. - Ability to identify logical errors, memory leaks, and vulnerabilities such as cross-site scripting or prototype pollution.

Benefits and work setup - Flexible, remote participation; paid tasks vary in length, and some require an uninterrupted hour. - The listing states that some research tasks pay up to $50 per hour; actual task availability and rates may vary.