Javascript - Senior Developers - AI Training - Boston, USA

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

Job summary

prolificacademicltd is seeking a talented engineer to contribute JS/TS expertise for AI model training and evaluation. You will review generated code and explanations, run scripts in Node.js or browsers, and provide structured technical feedback. A brief skills assessment precedes paid tasks.

Responsibilities include validating correctness, signaling security concerns, and offering insights on frontend/backend architecture questions. A strong CS background and ES6+ proficiency are required.

Qualifications

• A 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 intermediate to advanced algorithm problems independently in JavaScript.
• Strong grasp of the event loop, closures, prototypal inheritance, promises, and async/await.
• Skill in writing clean, modular, readable code using modern ES6+ conventions.
• Careful code review, including identifying security issues such as cross-site scripting and prototype pollution.

Responsibilities

• Check AI-generated JavaScript and TypeScript for correctness, clarity, and modern coding practices.
• Assess whether explanations for challenging algorithmic solutions are logically sound.
• Run generated scripts in Node.js or browser consoles and verify their output and performance.
• Flag inefficient approaches, outdated syntax, invented library methods, logic flaws, memory leaks, and security risks.
• Give feedback on model responses to frontend and backend architecture questions.

Skills

JavaScript

TypeScript

Event loop

Promises / async/await

Code review

Security awareness

Education

Bachelor's/Master's/PhD in CS or related

Tools

Node.js

Browser DevTools

Webpack/Vite

Job description

Role overview

Contribute professional JavaScript and TypeScript expertise to the training and evaluation of AI models. Work is task based: review generated code and explanations, run scripts to check their behavior, and provide structured technical feedback. Candidates complete a short skills assessment before being invited to take paid tasks.

Responsibilities

• Check AI-generated JavaScript and TypeScript for correctness, clarity, and modern coding practices.
• Assess whether explanations for challenging algorithmic solutions are logically sound.
• Run generated scripts in Node.js or browser consoles and verify their output and performance.
• Flag inefficient approaches, outdated syntax, invented library methods, logic flaws, memory leaks, and security risks.
• Give feedback on model responses to frontend and backend architecture questions.

Requirements

• A 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 intermediate to advanced algorithm problems independently in JavaScript.
• Strong grasp of the event loop, closures, prototypal inheritance, promises, and async/await.
• Skill in writing clean, modular, readable code using modern ES6+ conventions.
• Careful code review, including identifying security issues such as cross-site scripting and 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 JavaScript.

Benefits and work setup

Tasks are paid, with rates reported as reaching up to $50 per hour; actual rates may vary by task. Be prepared to reserve an uninterrupted hour for some assignments, although many are shorter. The work is described as flexible and remote, subject to available tasks.