JavaScript Developer

Apply advanced JavaScript expertise to help train and evaluate next-generation AI systems through high-quality, real-world technical input. You will build sophisticated frontend solutions while helping shape how AI models learn, reason, and perform. Prior AI experience is not required.

• Design, develop, and optimize robust frontend solutions using advanced JavaScript techniques.
• Translate business requirements into intuitive digital interfaces in collaboration with cross-functional teams.
• Lead frontend architectural decisions and mentor junior developers while upholding code-quality standards.
• Implement modern frontend frameworks and libraries to create scalable, maintainable applications.
• Conduct code reviews, offer constructive feedback, and advocate for clean, efficient code.
• Diagnose complex issues and resolve performance bottlenecks proactively.
• Introduce relevant technologies and approaches that improve development workflows.

• Extensive experience building sophisticated web applications with JavaScript.
• Expertise with modern frontend frameworks such as React, Vue, or Angular, plus state-management tools.
• Ability to write clean, maintainable, well-documented code.
• Strong written and verbal communication skills and a collaborative working style.
• Demonstrated experience guiding frontend architecture and development initiatives.
• Strong knowledge of responsive design and web-performance optimization.
• Experience working effectively on remote, distributed teams.

• Experience mentoring or coaching developers.
• Experience building accessible, internationalized web interfaces.
• Familiarity with automated testing, CI/CD pipelines, and version-control systems.

Remote, independent-contractor engagement.

$30 to $90 per hour.