According to Forbes, Global mobility is on the rise, and many employees want a passport filled with foreign-nation stamps to bolster personal growth and career development. Increasingly, they’re seeking expatriate, commuter, rotational or other alternative assignments to build their resumes. International assignments are a great career development tool and, at the same time, help organizations address talent shortages & close skill gaps.
In other words, if you haven`t yet thought about working internationally or relocating, this is something you may want to consider.
Detailed information about working in particular countries within European Union: http://targetjobs.co.uk/careers-advice/working-abroad