> Markdown version of [/jobs/ext/1987799-senior-net-it-service-owner-legacy-modernization-apis](https://www.wearedevelopers.com/jobs/ext/1987799-senior-net-it-service-owner-legacy-modernization-apis). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior .Net It Service Owner - Legacy Modernization & Apis - **Company:** UST España - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** .NET Framework, Application Programming Interfaces (APIs), Software Systems, Software Modules - **Published:** August 8, 2026 - **Apply:** https://www.buscojobs.com.es/senior-net-it-service-owner-legacy-modernization-apis-en-madrid-ID-365837200 ## About the Role 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. #J-*****-Ljbffr ## Description UST España & Latam is seeking an IT Service Owner 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.#J-*****-Ljbffr ## Related Videos - [This Is Not Your Father's .NET](https://www.wearedevelopers.com/videos/967-this-is-not-your-father-s-net) - [Next Level Enterprise Architecture: Modular, Flexible, Scalable, Multichannel and AI-Ready?](https://www.wearedevelopers.com/videos/1017-next-level-enterprise-architecture-modular-flexible-scalable-multichannel-and-ai-ready) - [Rethinking Intelligence: AI, Accessibility, and the Future of Inclusive Work - Artur Ortega](https://www.wearedevelopers.com/videos/1377-rethinking-intelligence-ai-accessibility-and-the-future-of-inclusive-work-artur-ortega) - [20 Years of Domain-Driven Design: What I’ve Learned About DDD](https://www.wearedevelopers.com/videos/1571-20-years-of-domain-driven-design-what-i-ve-learned-about-ddd) - [Hacking C# from the inside - how to do anything in NET](https://www.wearedevelopers.com/videos/117-hacking-c-from-the-inside-how-to-do-anything-in-net) - [Building Systems that Last](https://www.wearedevelopers.com/videos/1389-building-systems-that-last) ## Related Articles - [Spanish Business Culture and Etiquette](https://www.wearedevelopers.com/magazine/353-spanish-business-culture-and-etiquette) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)