Are you looking for the next challenge in your career? Would you like to be part of an exciting, highly qualified team of professionals in an international environment?We are currently looking for qualifiedC# Senior Software Engineer.Join an international division and work alongside some of the most talented engineers and technicians from all over the world.Your BenefitsCompetitive SalaryLong-term secure contractInternational Project with top technologiesPossibility of working remotely with a flexible scheduleIntegration in a highly qualified team of professionalsTravel abroad with your projectSpecialized training and continuous professional developmentSocial benefits and flexible compensation planResponsabilities:Adaptation and extension of C# implementations.Adaptation and expansion of Oracle APEX implementations.Development of workflows, UI, backend, and integration interfaces.Optimization, safeguarding, and continuous improvement of flashing processes.Specification creation, design documents, and UML-based program structuring.Continuous testing, performance tuning, and monitoring.Support for system integrations and cross-interface requirements.Optional: Test strategies, test case creation, and V&V execution for tool development.Required Skills / Must-Haves:Strong experience in C# / .NET development.SQL / Oracle (PL/SQL) and database design expertise.Oracle APEX development experience (important for the client).Visual Studio, Git, and DevOps practices.Experience in software tool development for industrial/automotive environments.Knowledge or experience with diagnostic and flashing tools: CP-Tool, iDEX, SFD, FAZIT, Car-Port, TE-Orchestrator.Experience with system integrations and interface development.Highly Valued / Optional Skills:Automotive / industrial environment experience.Performance tuning and optimization of tools.Experience with monitoring tools and server support.Knowledge of testing strategies, test case execution, and V&V.Experience gathering requirements across multiple interfaces.Sound knowledge of UML-based program structuring.We positively value all work or study experience abroad.All positions require a high level of English (at least B2) - please send your detailed CV in English.