Senior .NET Developer

About the jobMatrix Eastern Europe, the offshore division of Matrix IT, one of the leading global R&D services companies with more than 10,000 professionals, is looking for a Backend Developer to join the team of our client and partner – Qualtero. We are looking for a Senior C# Engineer to join the team of Qualtero, a leading provider of training management systems for the defense and aviation industries. Their systems help NASA, various armed forces, Boeing, and leading airlines, ensure that their commercial pilots, flight attendant, astronauts, fighter pilots, and army units stay operational and develop essential new knowledge within tight timelines and budgetary constraints. The perfect candidate would be a super talented full-stack Engineer with a very strong technical background, but most of all – with a passion for building clean and engaging user experience, who gets excited by bringing polished UX products to customers, so they LOVE it. Responsibilities:Design and develop robust back-end solutions within our distributed architectureWrite and maintain high-quality code with thorough test coverageParticipate in code reviews to uphold our high coding standardsProduce system designs independentlyStay updated with the latest C# and .NET developments Requirements:At least 5 years of experience with C# and .NET 8Proven experience designing and implementing distributed systems and microservicesSolid understanding of design patterns, DDD, and CQRSStrong background in API design and REST architectural principlesExperience with PostgreSQL and database optimizationFocus on security and performance optimizationProficiency in cloud services (AWS/Azure/GCP)Experience with message-driven architecturesProficiency in writing unit and integration testsUnderstanding of security best practices in distributed systems What we can offer:Additional 20 days of paid leaveRemote work and flexible working hoursProfessional and career development benefitsTop-quality work environmentOnline coursesOnline sports activitiesTeam buildings and Christmas parties