Javascript - Senior Developers - AI Training - Coventry, UK

prolificacademicltd; United States; Remote; USD 57,000 - 81,000; Full time

Job summary

Prolific Academic Ltd in the United States is seeking a freelance reviewer to contribute professional JavaScript expertise to AI model training and evaluation. You will review generated code and explanations, assess solution quality, and provide structured feedback.

The role begins with a short skills assessment; successful candidates may be offered paid tasks, some requiring an hour of uninterrupted focus. Remote work is supported with flexible scheduling.

Qualifications

• A bachelor’s, master’s, or doctoral degree in computer science, software engineering, or a closely related technical field.
• Professional experience building scalable web applications with JavaScript or TypeScript.
• Ability to solve medium-to-hard algorithmic problems independently in JavaScript.
• Strong knowledge of the event loop, closures, prototypal inheritance, promises, and async/await.
• A consistent approach to modular, readable code using modern JavaScript standards.
• Careful review skills, including the ability to identify logical defects, memory leaks, and issues such as cross-site scripting or prototype pollution.

Responsibilities

• Assess JavaScript and TypeScript output for correctness, readability, and sound engineering practices.
• Check whether explanations for algorithmic solutions are logically consistent.
• Run generated scripts in browser or Node.js environments to inspect their behavior and performance.
• Flag inefficient approaches, outdated syntax, unsupported library methods, and potential security or memory issues.

Skills

JavaScript

TypeScript

Code review

Web performance

Algorithmic problem solving

Memory management

Security awareness

Modular code

Education

Bachelor's degree in CS/SE

Master's or Doctoral degree in CS/SE

Tools

React

Node.js

Vue

Angular

Jest

Cypress

Webpack/Vite

Job description

Role overview

Contribute professional JavaScript expertise to the training and evaluation of AI models. The work focuses on reviewing generated code and technical explanations, checking how solutions perform, and giving structured feedback on their quality. Participation follows a short skills assessment; successful candidates may then be offered paid tasks, some of which require an uninterrupted hour.

Responsibilities

• Assess JavaScript and TypeScript output for correctness, readability, and sound engineering practices.
• Check whether explanations for algorithmic solutions are logically consistent.
• Run generated scripts in browser or Node.js environments to inspect their behavior and performance.
• Flag inefficient approaches, outdated syntax, unsupported library methods, and potential security or memory issues.
• Provide clear feedback on model reasoning about frontend and backend design.

Requirements

• A bachelor’s, master’s, or doctoral degree in computer science, software engineering, or a closely related technical field.
• Professional experience building scalable web applications with JavaScript or TypeScript.
• Ability to solve medium-to-hard algorithmic problems independently in JavaScript.
• Strong knowledge of the event loop, closures, prototypal inheritance, promises, and async/await.
• A consistent approach to modular, readable code using modern JavaScript standards.
• Careful review skills, including the ability to identify logical defects, memory leaks, and issues such as cross-site scripting or prototype pollution.

Nice to have

• Experience with React, Node.js, Vue, or Angular; testing tools such as Jest or Cypress; and build tools such as Webpack or Vite.
• Familiarity with REST APIs, GraphQL, and server-side development in Node.js.

Benefits and work setup

Tasks are paid, with rates advertised by researchers of up to $50 per hour; actual availability and rates may vary. Work is flexible and can be done remotely, though some assignments require up to an hour of focused, uninterrupted time.