Frontend Engineer

x.ai

full-time

Posted on: 10/9/2025

Location Type: Remote

Location: Remote • California • 🇺🇸 United States

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💰 $45 - $100 per hour

Mid-LevelSenior

AngularGoGraphQLJavaJavaScriptJestPythonReactRustTypeScriptVue.js

About the role

AI model training initiatives by curating code examples, offering precise solutions, and meticulous corrections in Python, JavaScript (including ReactJS), C/C++, Java, Rust and Go.
Evaluate and refine AI-generated code, ensuring it adheres to industry standards for efficiency, scalability, and reliability.
Collaborate with cross-functional teams to enhance AI-driven coding solutions, ensuring they meet enterprise-level quality and performance benchmarks.

5+ years of professional front-end development experience building responsive, user-facing web applications.
Proficient in JavaScript (ES6+) and TypeScript.
Strong experience with modern frameworks: React, Vue, Angular.
Solid understanding of component lifecycle, hooks and state management.
Expertise in CSS, Tailwind, responsive design, UI interactions and animations.
Experience with performance optimization: lazy loading, caching strategies, asset optimization.
Experience with accessibility standards (WCAG, ARIA roles, keyboard navigation).
Familiarity with SEO best practices for web applications.
Strong debugging skills using browser DevTools and performance monitoring tools.
Experience with testing frameworks (Jest, Vitest, Playwright).
Understanding of APIs and client-server communication (REST, GraphQL).

Benefits

Tip: use these terms in your resume and cover letter to boost ATS matches.

PythonJavaScriptC/C++JavaRustGoTypeScriptReactVueAngular

collaborationproblem-solvingattention to detail