Work under European free movement rights
No visa neededCitizens of European Union countries, Iceland, Norway, Liechtenstein and Switzerland can enter, live and work in Romania without a visa.

Romania visas
Citizens of European Union countries, Iceland, Norway, Liechtenstein and Switzerland can enter, live and work in Romania without a visa.
Under the Van Der Elst visa rule, workers from outside the European single market who are already employed there may work temporarily in another single market country for the same employer, subject to conditions.
Travellers without European free movement rights need a suitable route that permits work. Long stays generally require a long-stay visa or residence permit.
Citizens of European Union countries, Iceland, Norway, Liechtenstein and Switzerland can work in Romania without a visa.
Travellers without European free movement rights need a suitable route that permits work. Long stays generally require a long-stay visa or residence permit. Citizens of European Union countries, Iceland, Norway, Liechtenstein and Switzerland can work in Romania without a visa.
There are 2 options: Work under European free movement rights (no visa at all); Temporary work for the same European employer (a special permit).
Citizens of European Union countries, Iceland, Norway, Liechtenstein and Switzerland can enter, live and work in Romania without a visa.
Do not treat ordinary visa-free visitor entry as permission to work in Romania. Long-stay and residence conditions are set by the issuing country.
Yes. Rules depend on the country that issued your passport. Open the Romania visa page and choose your passport for a plain answer.
Yes. Officials can refuse a visa or entry, even after you apply. Give true answers, bring the documents asked for, and keep proof of your onward trip and money.
On Romania's official immigration or foreign ministry website, or at its embassy. Rules change, so check close to your trip.
Often you cannot switch visa type inside the country. Ask the immigration office before you travel if you might need to.
Reviewed by @snuck