Sinch AB is looking for a Senior Software Engineer based in Spain to design and build the next generation of the Contacts Platform. The role is primarily remote, with occasional office visits to Madrid. Responsibilities include developing scalable distributed systems, maintaining backend services, and collaborating with cross-functional teams. Idóneo candidates should have experience with Java, distributed systems, and strong database design skills, ideally with MongoDB. A problem-solving mindset and effective communication skills are essential for success in this position.br#J-18808-Ljbffr