If you are an engineer interested in joining a young and dynamic team working on a pretty exciting new app you might want to check Fever (www.feverup.com). This is probably one of the most US-like European startups I’ve heard in a long time.
Design Engineer: http://jobs.feverup.com/page/design-engineer/en.html
All 9 current vacancies: http://jobs.feverup.com/contents/positions.html
Check the LinkedIn profile of their very young yet experienced founder: http://www.linkedin.com/in/pepgomez