Javascript - Senior Developers - AI Training - Manchester, UK

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

Job summary

prolificacademicltd is seeking a seasoned reviewer to train and evaluate AI models using professional JavaScript and TypeScript experience. The role focuses on checking code quality, reasoning explanations, and software design discussions, with an initial skills assessment before joining the expert participant pool.

You will review AI-generated JS/TS for correctness, run scripts in Node.js or browser environments, and flag security issues, memory leaks, and outdated syntax.

Qualifications

• Bachelor’s, master’s, or doctoral degree in computer science or closely related field.
• Professional experience building scalable web applications with JavaScript or TypeScript.
• Ability to solve medium-to-hard algorithm problems independently using JavaScript.
• Strong knowledge of the event loop, closures, prototypal inheritance, Promises, and async/await.
• High standards for modular, readable code aligned with modern ES6+ practices.
• Careful code review skills, including identifying security vulnerabilities such as cross-site scripting and prototype pollution.

Responsibilities

• Review AI-generated JavaScript and TypeScript for correctness, readability, and modern coding practices.
• Check explanations of algorithmic solutions for sound reasoning.
• Run generated scripts in Node.js or browser environments and assess their behavior.
• Flag inefficient approaches, outdated syntax, made-up library methods, logic errors, memory leaks, and security issues.
• Provide structured feedback on AI reasoning about frontend and backend architecture.

Skills

JavaScript

TypeScript

Code review

Algorithm analysis

Node.js

Frontend/Backend understanding

Education

Bachelor's degree in CS or related field

Tools

DevTools

Job description

Use professional JavaScript and TypeScript experience to train and evaluate AI models through paid technical tasks. The work focuses on checking code, algorithmic reasoning, and software design discussions, with an initial skills assessment before joining the expert participant pool.

Responsibilities

• Review AI-generated JavaScript and TypeScript for correctness, readability, and modern coding practices.
• Check explanations of algorithmic solutions for sound reasoning.
• Run generated scripts in Node.js or browser environments and assess their behavior.
• Flag inefficient approaches, outdated syntax, made-up library methods, logic errors, memory leaks, and security issues.
• Provide structured feedback on AI reasoning about frontend and backend architecture.

Requirements

• Bachelor’s, master’s, or doctoral degree in computer science, software engineering, or a closely related field.
• Professional experience building scalable web applications with JavaScript or TypeScript.
• Ability to solve medium-to-hard algorithm problems independently using JavaScript.
• Strong knowledge of the event loop, closures, prototypal inheritance, Promises, and async/await.
• High standards for modular, readable code aligned with modern ES6+ practices.
• Careful code review skills, including identifying security vulnerabilities such as cross-site scripting and prototype pollution.

Nice to have

• Experience with React, Node.js, Vue, or Angular; Jest or Cypress; Webpack or Vite; and REST APIs, GraphQL, or server-side Node.js.

Benefits and work setup

A short, 10–15 minute skills assessment is used to determine suitability. Tasks are paid, may require an uninterrupted hour, and are often shorter. Rates depend on the task; the listing indicates some researchers may pay up to $50 per hour. Flexible hours and working from home are described.