UX/UI Designer | $75/hr | Remote

Senior Product Designers, UX/UI & AI-Assisted Development Experts. We are seeking experienced product designers, UX/UI designers, design system specialists, AI-assisted developers, rapid prototypers, and AI-native product builders to create realistic evaluation tasks for advanced AI systems. This opportunity spans two tracks: AI-assisted development / Vibecoding and Product Design / UX/UI. Professionals with deep expertise in either track, or experience across both, are encouraged to apply. What You’ll Do • Create realistic product design and rapid-prototyping scenarios • Develop tasks involving AI-assisted coding, natural-language-to-code workflows, UX/UI design, design systems, user research, and usability testing • Build reference prototypes, code artifacts, design specifications, component systems, and usability evaluations • Design scenarios involving cross-functional collaboration between product, engineering, design, and research teams • Evaluate whether outputs demonstrate genuine senior-level product judgment • Create scoring rubrics that distinguish strong professional work from generic templates or tutorial-level solutions • Apply iterative prototyping, human-centered design, heuristic evaluation, and AI-assisted development methodologies Who Can Apply Relevant product design backgrounds include: Product Designers, Senior Product Designers, Staff Product Designers, Principal Product Designers, Lead Product Designers, UX Designers, UI Designers, UX/UI Designers, Interaction Designers, Experience Designers, Digital Product Designers, Visual Designers, Interface Designers, Web Designers, Mobile Product Designers, and Application Designers. Design leadership backgrounds may include: Design Leads, Design Managers, Product Design Managers, Heads of Design, Design Directors, UX Directors, Creative Directors, Experience Design Directors, Design Principals, and Design Consultants. Design systems backgrounds may include: Design Systems Designers, Design Systems Leads, Design Systems Engineers, UI Systems Designers, Component Library Designers, Design Technologists, UX Engineers, Design Engineers, Frontend Design Engineers, and Design Infrastructure Specialists. Research and usability backgrounds may include: UX Researchers, User Researchers, Product Researchers, Usability Researchers, Human Factors Specialists, Human-Computer Interaction Professionals, HCI Researchers, UX Strategists, Service Designers, Information Architects, and Customer Experience Designers. Relevant Product Design Experience • End-to-end product design • UX and UI design • User flows and information architecture • Wireframes and interactive prototypes • Mobile and web application design • Design systems and component libraries • Design tokens and reusable UI patterns • Responsive and adaptive interface design • Accessibility and inclusive design • User research and customer discovery • Usability testing • Heuristic evaluation • Product critique and design review • Product