T-Mobile International AG is a German holding company for Deutsche Telekom AGs various mobile communications subsidiaries outside Germany. Based in Bonn, Germany, its subsidiaries operate GSM, UMTS and LTE-based cellular networks in Europe, the United States, Puerto Rico and the U.S. Virgin Islands. The company has financial stakes in mobile operators in both Central and Eastern Europe. The T-Mobile brand is present in 13 European countries – Austria, Croatia (as Hrvatski telekom), Czech Republic, Albania, Germany (as Telekom), Hungary, Macedonia, Montenegro, the Netherlands, Poland, Romania and Slovakia, as well as the United States, Puerto Rico, and the U.S. Virgin Islands. It was present in the United Kingdom up until 2010, when T-Mobile and Orange S.A. merged to form EE. Globally, T-Mobile International subsidiaries have a combined total of approximately 230 million subscribers. T-Mobile International is the worlds fifteenth-largest mobile-phone service provider by subscribers and the fourth-largest multinational after the UKs Vodafone, Indias Airtel, and Spains Telefónica.
Highest paying job titles at T-Mobile include Senior Software Engineer, Technical Product Manager, and Software Engineer