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# Javascript - Senior Developers - AI Training - Indianapolis, USA

- **Company:** Prolific, Inc
- **Location:** Indianapolis, IN, United States (Remote available)
- **Experience:** Expert
- **Salary:** $104,000.0
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Software Quality, Cyber Security, Computer Programming, Machine Learning, Node.Js, Memory Leaks, Software Engineering, TypeScript, ReactJS, Model Validation, Cypress (Programming Language), Cross-Site Scripting (XSS), Backend, Vue.js, Webpack, AngularJS, Information Technology, Graphql, Front End Software Development, Restful APIs, Es2015
- **Published:** October 29, 2026
- **Apply:** https://www.careerbuilder.com/job-details/javascript-senior-developers-ai-training-indianapolis-usa-indianapolis-in--f29b43d8-9de2-4039-959a-05e3b04954b1

## About the Role

JavaScript, Artificial Intelligence (AI), JavaScript, Artificial Intelligence (AI), Data Collection, Training/Teaching, Testing, Software Engineering, Computer Science, Computer Security, * Education: a BS, MS, or PhD in Computer Science, Software Engineering, or a closely related technical field.

 * Professional Experience: professional experience building scalable web applications using JavaScript/TypeScript.
 * Coding Proficiency: ability to solve LeetCode Medium to Hard-level problems in JavaScript independently.
 * Deep Domain Knowledge: expert understanding of the Event Loop, closures, prototypical inheritance, and asynchronous patterns (Promises, async/await).
 * Code Quality: a high standard for clean code, including modularity, readability, and adherence to modern ES6+ standards.
 * Attention to Detail: ability to spot subtle logical flaws, memory leaks, or security vulnerabilities (e.g., XSS, prototype pollution) in model-generated code., * Core Language: expert mastery of JavaScript (ES6+) and TypeScript.
 * Frameworks: extensive experience with React, Node.js, Vue, or Angular.
 * Testing & Tools: proficiency with Jest, Cypress, Webpack, and Vite.
 * Backend & API: strong understanding of RESTful APIs, GraphQL, and server-side logic in a Node environment.

## Description

We're looking for JavaScript Experts to join our Expert Network to help train and evaluate cutting-edge AI models using real engineering expertise. If you have the necessary experience, we'll send you a quick 10- to 15-minute test to assess your skills and suitability for AI tasks. If successful, you'll be invited to join Prolific as a participant, where you'll get paid to train and evaluate powerful AI models., * Evaluate Code Accuracy: review AI-generated JavaScript and TypeScript code for functional correctness and adherence to best practices.

 * Validate Logic & Reasoning: audit the step-by-step explanations provided by AI for complex algorithmic solutions to ensure they are logically sound.
 * Conduct Execution Testing: execute model-generated scripts in appropriate environments (Node.js or Browser consoles) to verify performance and output.
 * Annotate Model Performance: identify areas where a model provides inefficient solutions, deprecated syntax, or hallucinated library methods.
 * Refine Technical Logic: provide structured feedback on how models reason through frontend or backend architecture discussions.