Luxoft is seeking a Murex MxML Back Office Developer to join our team in Spain. The role focuses on designing, building and maintaining MxML-based interfaces inside a Mx.3 environment, handling back office workflows for settlements, accounting and regulatory reporting. You will design MxML messages, mappings, and transformations, support SWIFT integration (MT messages), work with Business Analysts, and contribute to upgrades, regression testing and production support.