LONDON--(BUSINESS WIRE)--Luxoft Holding, Inc (NYSE:LXFT), a leading provider of software development services and innovative IT solutions to a global client base, today announced results for the full financial year and for the three months ended March 31, 2015. Highlights – Financial Year Ended March 31, 2015 US GAAP revenue amounted to $520.5 million, an increase of 30.7% year over year or an increase of 37.3% on a constant currency basis Adjusted earnings before interest, taxes, depreciation