Javascript - Senior Developers - AI Training - Jacksonville, USA

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

Benefits offered by this job

Remote participation

Job summary

prolificacademicltd is seeking an experienced JavaScript/TypeScript expert to contribute to the training and evaluation of AI models. You will review generated code and explanations, run tests in Node.js or browser tools, and provide structured feedback on frontend and backend design.

Successful candidates may be invited to participate in paid tasks as expert participants after a short skills assessment, with remote, flexible task-based work and rates up to $50 per hour.

Qualifications

• Bachelor's/Master's/PhD in CS or related technical field.
• Professional experience building scalable web apps with JavaScript/TypeScript.
• Ability to solve medium- to hard-level programming problems independently in JavaScript.
• Strong knowledge of the event loop, closures, prototypal inheritance, Promises, and async/await.
• High standards for clean, readable ES6+ code and attention to subtle defects.
• Familiarity with frameworks such as React, Node.js, Vue, or Angular; knowledge of Jest, Cypress, Webpack, or Vite; REST and GraphQL.

Responsibilities

• Assess generated JavaScript and TypeScript for correctness, readability, modularity, and current language practices.
• Check algorithmic solutions and their explanations for sound reasoning and appropriate efficiency.
• Run scripts in Node.js or browser tools to confirm outputs and investigate behavior.
• Flag issues such as outdated syntax, nonexistent APIs, logical errors, memory leaks, or security weaknesses.
• Give structured feedback on model responses involving frontend or backend design.

Skills

JavaScript

TypeScript

Event loop

Closures

Promis es/async

Education

Bachelor's degree in CS/SE

Tools

Jest

Cypress

Webpack

Vite

REST APIs

GraphQL

Node.js

Job description

Role overview

Contribute professional JavaScript and TypeScript expertise to the training and evaluation of AI models. Work involves reviewing generated code and technical explanations, checking behavior through execution, and providing structured feedback on the quality of model responses. Candidates who pass a short skills assessment may be invited to take paid tasks as an expert participant.

Responsibilities

• Assess generated JavaScript and TypeScript for correctness, readability, modularity, and current language practices.
• Check algorithmic solutions and their explanations for sound reasoning and appropriate efficiency.
• Run scripts in Node.js or browser tools to confirm outputs and investigate behavior.
• Flag issues such as outdated syntax, nonexistent APIs, logical errors, memory leaks, or security weaknesses.
• Give structured feedback on model responses involving frontend or 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 programming problems independently in JavaScript.
• Strong knowledge of the event loop, closures, prototypal inheritance, Promises, and async/await.
• High standards for clean, readable ES6+ code and careful attention to subtle defects.
• Familiarity with frameworks such as React, Node.js, Vue, or Angular, plus testing and build tools such as Jest, Cypress, Webpack, or Vite; knowledge of REST, GraphQL, and Node server-side development is relevant.

Benefits and work setup

The work is task-based and flexible, with remote participation described. Tasks may require an uninterrupted hour, though many are shorter. The source says researchers may pay up to $50 per hour; actual task availability and rates can vary. A 10-15 minute skills assessment is part of the selection process.