May 19, 2026
Javascript - Senior Developers - AI Training - Raleigh, US
Senior • On-site
Raleigh, NC
JavaScript Specialist- AI Training
About Prolific
Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world.
Over 35,000 AI developers, researchers, and organizations use Prolific to gather data from paid study participants with a wide variety of experiences, knowledge, and skills.
The role
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.
Researchers looking for your skills tend to pay up to $50 per hour. You must be prepared to complete paid tasks that require one hour of uninterrupted work, though many are shorter.
What you'll bring
- 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.
What you'll be doing in the role
- 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.
Key Technologies
- 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.
Why Prolific is a great platform to join as a Participant
Joining our Expert Network will give you the chance to influence the AI models of the future using professional expertise. Once you pass our assessment, you can join Prolific in just 15 minutes, and start enjoying competitive pay rates, flexible hours, and the ability to work from home.
We've built a unique platform that connects researchers and companies with a global pool of participants, enabling the collection of high-quality, ethically sourced human behavioural data and feedback. This data is the cornerstone of developing more accurate, nuanced, and aligned AI systems.
We believe that the next leap in AI capabilities won't come solely from scaling existing models, but from integrating diverse human perspectives and behaviours into AI development. By providing this crucial human data infrastructure, Prolific is positioning itself at the forefront of the next wave of AI innovation – one that reflects the breadth and the best of humanity.
Links & Privacy
Privacy Statement
By submitting your application, you agree that Prolific may collect your personal data for recruiting and global organisation planning. Prolific's Candidate Privacy Notice explains what personal information Prolific may process, where Prolific may process your personal information, its purposes for processing your personal information, and the rights you can exercise over Prolific's use of your personal information.
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Flexible, remote work with task-based compensation. 🗂️ Requirements: BS, MS, or PhD in Computer Science, Software Engineering, or related field, Professional experience building scalable web applications with JavaScript/TypeScript, Ability to solve LeetCode Medium to Hard problems in JavaScript, Expert knowledge of Event Loop, closures, prototypical inheritance, Promises, async/await, Experience reviewing code for logical flaws, memory leaks, and security vulnerabilities, Proficiency with ES6+ standards and clean code principles, Experience executing and testing code in Node.js or browser environments 📃 Skills: JavaScript, TypeScript, React, Node.js, Vue, Angular, Jest, Cypress, Webpack, Vite, REST, GraphQL, ES6, Promises, async/await 🏢 Description: JavaScript Specialist- AI Training About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world. Over 35,000 AI developers, researchers, and organizations use Prolific to gather data from paid study participants with a wide variety of experiences, knowledge, and skills. The role 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. Researchers looking for your skills tend to pay up to $50 per hour. You must be prepared to complete paid tasks that require one hour of uninterrupted work, though many are shorter. What you'll bring 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. What you'll be doing in the role 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. Key Technologies 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. Why Prolific is a great platform to join as a Participant Joining our Expert Network will give you the chance to influence the AI models of the future using professional expertise. Once you pass our assessment, you can join Prolific in just 15 minutes, and start enjoying competitive pay rates, flexible hours, and the ability to work from home. We've built a unique platform that connects researchers and companies with a global pool of participants, enabling the collection of high-quality, ethically sourced human behavioural data and feedback. This data is the cornerstone of developing more accurate, nuanced, and aligned AI systems. We believe that the next leap in AI capabilities won't come solely from scaling existing models, but from integrating diverse human perspectives and behaviours into AI development. By providing this crucial human data infrastructure, Prolific is positioning itself at the forefront of the next wave of AI innovation – one that reflects the breadth and the best of humanity. Links & Privacy Website Youtube Privacy Statement By submitting your application, you agree that Prolific may collect your personal data for recruiting and global organisation planning. Prolific's Candidate Privacy Notice explains what personal information Prolific may process, where Prolific may process your personal information, its purposes for processing your personal information, and the rights you can exercise over Prolific's use of your personal information.
Technology

Prolific
Javascript - Senior Developers - AI Training - Sacramento, US
Senior
On-site
Sacramento, CA
🏢 Summary: Opportunity for experienced JavaScript specialists to join an expert network and get paid to train and evaluate advanced AI models through code review, testing, and technical feedback. The role involves assessing AI-generated JavaScript/TypeScript solutions, validating logic, and executing code in real environments. It offers flexible, paid tasks requiring strong engineering expertise in modern web development. 🗂️ Requirements: BS/MS/PhD in Computer Science, Software Engineering, or related field, Professional experience building scalable web applications with JavaScript/TypeScript, Ability to solve LeetCode Medium/Hard problems in JavaScript, Expert knowledge of Event Loop, closures, prototypical inheritance, asynchronous patterns, Strong understanding of clean code principles and ES6+ standards, Ability to detect logical flaws, memory leaks, and security vulnerabilities in code 📃 Skills: JavaScript, TypeScript, ES6, React, Node.js, Vue, Angular, Jest, Cypress, Webpack, Vite, REST, GraphQL, Node, XSS 🏢 Description: JavaScript Specialist- AI Training About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world. Over 35,000 AI developers, researchers, and organizations use Prolific to gather data from paid study participants with a wide variety of experiences, knowledge, and skills. The role 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. Researchers looking for your skills tend to pay up to $50 per hour. You must be prepared to complete paid tasks that require one hour of uninterrupted work, though many are shorter. What you'll bring 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. What you'll be doing in the role 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. Key Technologies 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. Why Prolific is a great platform to join as a Participant Joining our Expert Network will give you the chance to influence the AI models of the future using professional expertise. Once you pass our assessment, you can join Prolific in just 15 minutes, and start enjoying competitive pay rates, flexible hours, and the ability to work from home. We've built a unique platform that connects researchers and companies with a global pool of participants, enabling the collection of high-quality, ethically sourced human behavioural data and feedback. This data is the cornerstone of developing more accurate, nuanced, and aligned AI systems. We believe that the next leap in AI capabilities won't come solely from scaling existing models, but from integrating diverse human perspectives and behaviours into AI development. By providing this crucial human data infrastructure, Prolific is positioning itself at the forefront of the next wave of AI innovation – one that reflects the breadth and the best of humanity. Links & Privacy Website Youtube Privacy Statement By submitting your application, you agree that Prolific may collect your personal data for recruiting and global organisation planning. Prolific's Candidate Privacy Notice explains what personal information Prolific may process, where Prolific may process your personal information, its purposes for processing your personal information, and the rights you can exercise over Prolific's use of your personal information.
Technology

Prolific
Javascript - Senior Developers - AI Training - Milwaukee, US
Senior
On-site
Milwaukee, WI
🏢 Summary: Opportunity for experienced JavaScript specialists to join an expert network and get paid to train and evaluate advanced AI models by reviewing, testing, and refining AI-generated code and technical reasoning. The role involves assessing code quality, validating algorithmic logic, and providing structured feedback on frontend and backend solutions. Work is task-based with flexible hours and compensation per completed assignment. 🗂️ Requirements: BS/MS/PhD in Computer Science, Software Engineering, or related field, Professional experience building scalable web applications with JavaScript/TypeScript, Ability to solve LeetCode Medium/Hard problems in JavaScript, Expert knowledge of Event Loop, closures, prototypical inheritance, async patterns, Experience with ES6+ standards and clean code principles, Ability to detect logical flaws, memory leaks, security vulnerabilities, Experience executing and testing code in Node.js or browser environments, Experience with RESTful APIs and GraphQL 📃 Skills: JavaScript, TypeScript, React, Node.js, Vue, Angular, Jest, Cypress, Webpack, Vite, REST, GraphQL, ES6 🏢 Description: JavaScript Specialist- AI Training About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world. Over 35,000 AI developers, researchers, and organizations use Prolific to gather data from paid study participants with a wide variety of experiences, knowledge, and skills. The role 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. Researchers looking for your skills tend to pay up to $50 per hour. You must be prepared to complete paid tasks that require one hour of uninterrupted work, though many are shorter. What you'll bring 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. What you'll be doing in the role 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. Key Technologies 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. Why Prolific is a great platform to join as a Participant Joining our Expert Network will give you the chance to influence the AI models of the future using professional expertise. Once you pass our assessment, you can join Prolific in just 15 minutes, and start enjoying competitive pay rates, flexible hours, and the ability to work from home. We've built a unique platform that connects researchers and companies with a global pool of participants, enabling the collection of high-quality, ethically sourced human behavioural data and feedback. This data is the cornerstone of developing more accurate, nuanced, and aligned AI systems. We believe that the next leap in AI capabilities won't come solely from scaling existing models, but from integrating diverse human perspectives and behaviours into AI development. By providing this crucial human data infrastructure, Prolific is positioning itself at the forefront of the next wave of AI innovation – one that reflects the breadth and the best of humanity. Links & Privacy Website Youtube Privacy Statement By submitting your application, you agree that Prolific may collect your personal data for recruiting and global organisation planning. Prolific's Candidate Privacy Notice explains what personal information Prolific may process, where Prolific may process your personal information, its purposes for processing your personal information, and the rights you can exercise over Prolific's use of your personal information.
Technology

Prolific
Javascript - Senior Developers - AI Training - Fresno, US
Senior
On-site
Fresno, CA
🏢 Summary: Paid remote opportunity for experienced JavaScript specialists to train and evaluate AI models by reviewing, testing, and validating AI-generated code and technical reasoning. The role involves assessing code quality, execution, and architectural logic in real-world JavaScript/TypeScript environments. Participants complete technical tasks and provide structured feedback to improve AI performance. 🗂️ Requirements: BS, MS, or PhD in Computer Science, Software Engineering, or related field, Professional experience building scalable web applications with JavaScript/TypeScript, Ability to solve LeetCode Medium to Hard problems in JavaScript, Expert knowledge of Event Loop, closures, prototypical inheritance, async patterns, Experience reviewing code for logical flaws, memory leaks, security vulnerabilities, Ability to execute and test code in Node.js or browser environments, Strong understanding of RESTful APIs, GraphQL, server-side Node.js 📃 Skills: JavaScript, TypeScript, React, Node.js, Vue, Angular, Jest, Cypress, Webpack, Vite, GraphQL, REST, ES6, HTML, CSS 🏢 Description: JavaScript Specialist- AI Training About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world. Over 35,000 AI developers, researchers, and organizations use Prolific to gather data from paid study participants with a wide variety of experiences, knowledge, and skills. The role 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. Researchers looking for your skills tend to pay up to $50 per hour. You must be prepared to complete paid tasks that require one hour of uninterrupted work, though many are shorter. What you'll bring 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. What you'll be doing in the role 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. Key Technologies 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. Why Prolific is a great platform to join as a Participant Joining our Expert Network will give you the chance to influence the AI models of the future using professional expertise. Once you pass our assessment, you can join Prolific in just 15 minutes, and start enjoying competitive pay rates, flexible hours, and the ability to work from home. We've built a unique platform that connects researchers and companies with a global pool of participants, enabling the collection of high-quality, ethically sourced human behavioural data and feedback. This data is the cornerstone of developing more accurate, nuanced, and aligned AI systems. We believe that the next leap in AI capabilities won't come solely from scaling existing models, but from integrating diverse human perspectives and behaviours into AI development. By providing this crucial human data infrastructure, Prolific is positioning itself at the forefront of the next wave of AI innovation – one that reflects the breadth and the best of humanity. Links & Privacy Website Youtube Privacy Statement By submitting your application, you agree that Prolific may collect your personal data for recruiting and global organisation planning. Prolific's Candidate Privacy Notice explains what personal information Prolific may process, where Prolific may process your personal information, its purposes for processing your personal information, and the rights you can exercise over Prolific's use of your personal information.