Senior JavaScript & HTML/CSS Developer - AI Training
New
P
Prolific Academic LtdAI Training
RemoteContractSenior
SalaryUp to $50 per hour
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Job Details
- Required Skills
- GraphQLNode.jsHTMLCSSJavascriptJestTypeScriptReactRESTful APIs
Requirements
- BS, MS, or PhD in Computer Science, Software Engineering, or a closely related technical field.
- Professional experience building scalable web applications using JavaScript/TypeScript.
- Expert understanding of the Event Loop, closures, asynchronous patterns, and modern ES6+ standards.
- Ability to solve LeetCode Medium to Hard-level problems in JavaScript independently.
- Real-world experience as a Senior Frontend Developer or UI Engineer specializing in HTML/CSS.
- Expert mastery of HTML5 and CSS3/4, including Flexbox, CSS Grid, and accessibility standards (WCAG).
- Proficiency in frontend frameworks such as React, Node.js, Vue, Angular, or Tailwind CSS.
- Familiarity with testing and build tools like Jest, Cypress, Webpack, Vite, and Lighthouse.
- Strong understanding of RESTful APIs, GraphQL, and design tools such as Figma.
- Ability to complete paid tasks requiring one hour of uninterrupted work.
Responsibilities
- Review AI-generated JavaScript/TypeScript and HTML/CSS for functional correctness and adherence to best practices.
- Audit step-by-step explanations provided by AI for technical and logical soundness.
- Execute and render model-generated scripts and markup in relevant environments (Node.js, Browser) to verify output.
- Annotate model performance to highlight inefficiencies, hallucinated methods, or inaccessible markup.
- Provide structured feedback on model reasoning regarding architecture, design, and implementation.
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