IT Service Owner (IT SO) .NET Engineer

We are looking for the very Top Talentand we would be delighted if you were to join our team More in detail UST is a multinational company based in North America certified as a Top Employer company with over 35000 employees worldwide and presence in more than 30 countries. We are leaders in digital technology services delivering large-scale technological solutions to top-tier organizations. What are we looking for We are looking for an IT Service Owner (IT SO) with strong .NET engineering expertise to join our team and take part in the design development and testing of software modules within complex systems. The ideal candidate will combine deep technical knowledge with strong collaboration skills to innovate and deliver high-quality scalable and well-integrated software solutions including participation in legacy modernization initiatives. Location Hybrid Madrid Working model 3 days at clients office Sol area next to the underground. Language Advanced English (B2+ / C1 required) Key Responsibilities - Design develop test and maintain software modules ensuring optimal functionality and system integration - Participate in legacy modernization projects including migration from .NET Framework to modern .NET platforms - Build and maintain web applications and RESTful APIs using ASP.NET Core - Develop and optimize data access layers using Entity Framework / EF Core - Work with SQL databases (SQL Server PostgreSQL) including query optimization and troubleshooting - Collaborate with cross-functional teams to deliver scalable and high-quality solutions - Ensure smooth CI/CD processes contributing to build deployment and release pipelines - Support applications in containerized environments (Docker Kubernetes as a plus) - Troubleshoot and resolve complex production issues performing root cause analysis - Apply software engineering best practices including clean architecture testing and code reviews Key Requirements - +6 years of experience in software engineering roles - Strong proficiency in C# .NET Framework and modern .NET (.NET Core / .NET 8+) - Hands-on experience with ASP.NET Core and REST APIs - Solid experience with SQL databases (SQL Server PostgreSQL or similar) - Experience using Entity Framework / EF Core - Knowledge of CI/CD pipelines and Docker containerization - Strong debugging and production troubleshooting skills - Experience with JavaScript HTML CSS (Razor Pages is a plus) - Good understanding of observability concepts (OpenTelemetry is a plus) - Experience with messaging systems (RabbitMQ Kafka Azure Service Bus) is a plus - Familiarity with identity and authorization systems (Active Directory) is a plus - Bachelors or Masters degree in Computer Science or related field What can we offer - 23 days of Annual Leave plus the 24th and 31st of December - Comprehensive benefits package (Health Care Plan insurances teleworking compensation) - Flexible compensation plan (meals transport childcare training etc.) - Free access to training platforms and continuous learning - Professional stability and long-term career plans - Referral bonus program - Flexible salary payment options (12 or 14 payments per year) - Work-life balance measures (hybrid model flexibility summer schedule) - Access to UST Club discounts and wellness programs If you would like to know more dont hesitate to apply and well get in touch to provide further details. We are waiting for you At UST we are committed to equal opportunities and do not discriminate based on race gender disability age religion sexual orientation or nationality. We actively promote inclusion and encourage applications from candidates with disabilities.