Some of the companies that are currently recruiting in the area: Amazon (FirecrackerVM is built there, many Rust jobs), Bitdefender (great cybersec defense company), UiPath (the European unicorn), Oracle, HP, Accenture, IONOS, Luxoft, Ericsson, Adobe, IBM Romania, SAP, Endava, Bolt, Dell Technologies, Fitbit, Deloitte, Thales, Cegeka, Huawei etc.
If game development is your thing: Electronics Arts, Ubisoft and many other indie game studios
If banks and telco is your thing: Orange, Vodafone, DIGI, T-Mobile, ING, BCR, BRD, Deutsche Bank, Transylvanian Bank, etc.