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Javascript - Senior Developers - AI Training - London, UK

21 hours, 27 minutes ago
United Kingdom
Contract
Senior
AI (Artificial Intelligence)
Software Development
Angular Cypress GraphQL JavaScript Jest Node.js React REST API TypeScript Vue.js
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Prolific

Prolific

Prolific is a platform that enables researchers to quickly find trustworthy research participants. With a pool of over 120,000 active and verified participants, Prolific ensures high-quality responses through continuous monitoring and engagement. The p...

Professional Services
51-250
Founded 1997
$0M raised
View All Jobs 81

Description

  • Review AI-generated JavaScript and TypeScript code for correctness and best practices.
  • Validate step-by-step reasoning for complex algorithmic solutions.
  • Execute model-generated scripts in Node.js or browser consoles to verify behavior and output.
  • Identify inefficient solutions, deprecated syntax, and hallucinated library methods in model responses.
  • Provide structured feedback on frontend and backend architecture reasoning.
  • Assess model performance and annotate issues such as logical flaws, memory leaks, and security vulnerabilities.
  • Complete a 10- to 15-minute assessment test to determine suitability for AI tasks.
  • Perform paid tasks that may require up to one hour of uninterrupted work.

Requirements

  • BS, MS, or PhD in Computer Science, Software Engineering, or a closely related technical field.
  • Professional experience building scalable web applications using JavaScript or TypeScript.
  • Ability to solve LeetCode Medium to Hard-level problems in JavaScript independently.
  • Expert understanding of the Event Loop, closures, prototypical inheritance, and asynchronous patterns such as Promises and async/await.
  • High standard for clean code, including modularity, readability, and adherence to modern ES6+ standards.
  • Ability to spot subtle logical flaws, memory leaks, and security vulnerabilities such as XSS and prototype pollution.
  • Expert mastery of JavaScript (ES6+) and TypeScript.
  • Extensive experience with React, Node.js, Vue, or Angular.
  • Proficiency with Jest, Cypress, Webpack, and Vite.
  • Strong understanding of RESTful APIs, GraphQL, and server-side logic in a Node environment.

Benefits

  • Pay rates of up to $50 per hour for relevant work.
  • Flexible hours.
  • Ability to work from home.
  • Quick onboarding after passing the assessment, with the ability to join in about 15 minutes.
  • Opportunity to influence the development of future AI models using professional expertise.

Interested in this position?

Apply directly on the company website

Apply Now

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