Wolfram|Alpha is looking for a passionate User Experience Designer to help creat great user experiences for web and mobile projects.

Responsibilities include: Translate user needs and business requirements into clear specificiations; create user stories, flow, wireframes, and interactive prototypes; develop and maintian detailed product specifications and design patterns; analyze user data to better inform priorities and design; plan and execute UX testing of prototypes and monitor user feedback; and research the latest technologies, best practices, and online trends and provide recommendations for the team.

Must have: Passion for simple and intuitive design; be a team player with excellent communication and presentation skills; have experience in designing interaction for web and mobile apps; have expert knowledge of interface design standards and best practices; have experience with user-experience research methods and usability testing; experience using OmniGraffle, Axure, or other prototyping tools; have attention to detail and a critical eye for visual design; be flexible and have good organizational skills; experience and/or knowledge of HTML, CSS, and JavaScript.

Requirements: At least three years of professional experience in designing interactions, a degree in interaction design, computer science, cognitive science, human computer interaction, psychology, or similar training, and have an available portfolio or samples of work.