Job Title: User-interface designer
Responsibilities: Develop storyboards, mock-ups, and prototypes to effectively communicate interaction and design ideas.
Official translation: "Our user-interface team is responsible for shaping the experience that people have with any Google product."
Job Title: User-experience specialist
Responsibilities: Run field, lab, or benchmark studies; participate in rapid-prototyping cycles.
Official translation: "One of many [positions] that work on . . . maintaining and enhancing our customer experience."
Job Title: Human-factors engineer
Responsibilities: Plan, design, and conduct usability evaluations. Work with marketing and product groups to identify user segments and create profiles.
Official translation: "PayPal is looking for a skilled human-factors engineer to lead research efforts across our global interfaces."
Job Title: Senior user-experience designer
Responsibilities: Design user interfaces based on research, human-factors principles, platform-style guides, and industry experience.
Official translation: "Someone who has knowledge in a variety of disciplines and can synthesize them to design products."