Javascript - Senior Developers - AI Training - Los Angeles USA

prolificacademicltd; United States; Remote; USD 41,000 - 69,000; Full time

Job summary

prolificacademicltd seeks a skilled JS/TS specialist to review AI-generated code, validate logic and explanations, and run scripts in Node.js or browser tools. You will identify issues in performance, syntax, and API usage while providing actionable feedback on frontend/backend architecture.

Applicants complete a brief assessment; successful candidates may be offered paid participant tasks. Remote, flexible work setup with tasks and compensation up to $50/hour may apply.

Qualifications

• Bachelor's, master's, or doctoral qualification in computer science or related technical area.
• Professional experience building scalable web applications with JavaScript/TypeScript.
• Ability to independently solve medium- to hard-level coding problems in JavaScript.
• Expert understanding of closures, the event loop, prototypal inheritance, and asynchronous patterns.
• Strong attention to detail and modular, readable ES6+ code.
• Experience with a JavaScript framework or runtime such as React, Node.js, Vue, or Angular.

Responsibilities

• Inspect AI-generated code for correctness, maintainability, and alignment with modern practices.
• Validate the logic behind algorithmic answers and their step-by-step explanations.
• Run generated scripts in Node.js or browser tools and assess their outputs.
• Identify performance problems, outdated syntax, and unsupported or invented APIs.
• Catch subtle bugs, memory leaks, and security weaknesses such as XSS and prototype pollution.
• Give clear feedback on model responses about frontend and backend architecture.

Skills

JavaScript

TypeScript

Advanced JS concepts

ES6+ code quality

React

Node.js

Vue

Angular

Code review & testing

Education

Bachelor's degree in CS or related field

Advanced degree preferred

Tools

Jest

Cypress

Webpack

Vite

REST APIs

GraphQL

Node.js

Job description

Role overview

Help improve AI systems by applying hands-on JavaScript and TypeScript expertise to code review, testing, and evaluation. The work includes checking generated solutions and their explanations, confirming actual script behavior, and reporting where the model's technical reasoning can be improved. Applicants complete a brief assessment, and successful candidates may be offered paid participant tasks.

Responsibilities

• Inspect AI-generated code for correctness, maintainability, and alignment with modern practices.
• Validate the logic behind algorithmic answers and their step-by-step explanations.
• Run generated scripts in Node.js or browser tools and assess their outputs.
• Identify performance problems, outdated syntax, and unsupported or invented APIs.
• Catch subtle bugs, memory leaks, and security weaknesses such as XSS and prototype pollution.
• Give clear feedback on model responses about frontend and backend architecture.

Requirements

• Bachelor's, master's, or doctoral qualification in computer science, software engineering, or a related technical area.
• Professional experience building scalable applications for the web with JavaScript or TypeScript.
• Ability to independently solve medium- to hard-level coding problems in JavaScript.
• Expert understanding of closures, the event loop, prototypal inheritance, and asynchronous patterns.
• Strong attention to detail and a consistent approach to modular, readable ES6+ code.
• Experience with a JavaScript framework or runtime such as React, Node.js, Vue, or Angular.

Nice to have

Knowledge of Jest, Cypress, Webpack, Vite, REST or GraphQL APIs, and backend development in Node.js.

Benefits and work setup

Assignments offer flexible, remote work. Some require an uninterrupted hour, though shorter tasks are common. The listing describes task rates of up to $50 per hour; actual rates depend on the assignment.