Javascript - Senior Developers - AI Training - Mesa, US

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

Job summary

prolificacademicltd is seeking to contribute professional JavaScript and TypeScript expertise to the training and evaluation of AI models. You will review generated code and explanations, verify behavior by executing in Node.js or browser environments, and provide structured feedback after a short skills assessment. Responsibilities include assessing correctness, maintaining code quality, and identifying defects. The role is remote, US-based, with rates up to $50 per hour and no fixed schedule.

Qualifications

• Bachelor's, Master's, or Doctoral degree in computer science, software engineering, or closely related field.
• Professional experience building scalable web applications with JavaScript or TypeScript.
• Ability to solve medium- to hard-level algorithm problems independently in JavaScript.
• Strong knowledge of the event loop, closures, prototypal inheritance, and asynchronous programming (promises, async/await).
• Careful, readable, modular coding aligned with modern ES6+ practices.
• Ability to detect subtle logic errors, memory leaks, and security vulnerabilities in generated code.

Responsibilities

• Assess generated JavaScript and TypeScript for correctness, maintainability, and sound engineering practices.
• Check the logic behind algorithm explanations, including solutions to challenging programming problems.
• Run scripts in Node.js or browser environments and verify their output and performance.
• Identify inefficient approaches, outdated syntax, invented APIs, security issues, and other defects.
• Give clear feedback on model reasoning about frontend and backend design.

Skills

JavaScript

TypeScript

Code review

Algorithm problems

ES6+

Education

Bachelor's degree in CS or related field

Tools

Node.js

Webpack

Vite

React

Jest

Cypress

Vue

Angular

Job description

Role overview

Contribute professional JavaScript and TypeScript expertise to the training and evaluation of AI models. Work consists of reviewing generated code and explanations, checking behavior through execution, and providing structured feedback; participation follows a short skills assessment.

Responsibilities

• Assess generated JavaScript and TypeScript for correctness, maintainability, and sound engineering practices.
• Check the logic behind algorithm explanations, including solutions to challenging programming problems.
• Run scripts in Node.js or browser environments and verify their output and performance.
• Identify inefficient approaches, outdated syntax, invented APIs, security issues, and other defects.
• Give 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-level algorithm problems independently in JavaScript.
• Strong knowledge of the event loop, closures, prototypal inheritance, and asynchronous programming, including promises and async/await.
• Careful, readable, modular coding aligned with modern ES6+ practices.
• Ability to detect subtle logic errors, memory leaks, and security vulnerabilities in generated code.

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 up to $50 per hour; actual task availability and rates may vary. Some assignments require an uninterrupted hour, though shorter tasks may also be offered. Work is described as flexible and remote, following a 10-15-minute assessment.