Javascript - Senior Developers - AI Training - Kansas City, US

Role overview Use professional JavaScript and TypeScript expertise to help train and evaluate AI models. Work consists of reviewing generated code and explanations, checking behavior through execution, and giving structured feedback on technical reasoning. After a brief skills assessment, successful applicants may be invited to take paid tasks as an independent participant.

Responsibilities - Assess generated JavaScript and TypeScript for correctness, clarity, and sound engineering practices. - Check algorithmic explanations for logical gaps and validate scripts in Node.js or browser consoles. - Flag inefficient approaches, outdated syntax, and references to nonexistent library methods. - Identify bugs, memory leaks, and security issues such as cross-site scripting or prototype pollution. - Provide organized feedback on model reasoning about frontend and backend architecture.

Requirements - Bachelor’s, master’s, or doctoral degree in computer science, software engineering, or a related technical field. - Professional experience building scalable web applications with JavaScript or TypeScript. - Ability to solve medium- to hard-level programming problems independently in JavaScript. - Strong understanding of the event loop, closures, prototypal inheritance, promises, and async/await. - Careful code review skills and a commitment to modular, readable code using modern JavaScript standards. - Experience with at least one of React, Node.js, Vue, or Angular; familiarity with testing tools, build systems, and APIs is also relevant.

Nice to have Experience with Jest or Cypress, Webpack or Vite, REST and GraphQL APIs, and server-side Node.js development.

Benefits and work setup Tasks are offered on a flexible basis and can be completed remotely. Some assignments require an uninterrupted hour, though many are shorter. The listing describes rates of up to $50 per hour, depending on the task.