We are looking for the very Top Talent…and we would be delighted if you want to join us!

More in details, UST is a multinational company based in North America, certified as a Top Employer company with over 35.000 employees all over the world and presence in more than 30 countries. We are leaders in digital technology services, providing large-scale technological solutions to major companies.

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.

Working model: 3 days at client´s office, Sol area, next to the underground.

- 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
- +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
- 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
- Bachelor’s or Master’s degree in Computer Science or related field

Nice to have
- Experience with Helm
- Knowledge of OpenAPI specifications
- Experience with SQL (Oracle)

What can we offer?

23 days of Annual Leave plus the 24th and 31st of December as discretionary days

Numerous benefits (Health Care Plan, teleworking compensation, Life and Accident Insurance)

Versátil compensation plan (meals, transport, childcare, English lessons, healthcare…)

Free access to training platforms

Professional stability and career development plans

Choice between 12 or 14 salary payments

Work-life balance measures (flexibility, hybrid work, summer hours…)

Discounts on UST Club platform and gym Access

In UST we are committed to equal opportunities in our selection processes and do not discriminate based on race, gender, disability, age, religion, sexual orientation or nationality. We have a special commitment to Disability & Inclusion.

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📌 It Service Owner (Madrid)
🏢 UST España & Latam
📍 Madrid