> Markdown version of [/jobs/ext/3004498-senior-backend-developer-modernize-legacy-to-net-hybrid](https://www.wearedevelopers.com/jobs/ext/3004498-senior-backend-developer-modernize-legacy-to-net-hybrid). 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 Backend Developer: Modernize Legacy To .Net (Hybrid) - **Company:** Raona - **Location:** Madrid, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** .NET Framework, C Sharp (Programming Language), Backend, Visual Basic Language - **Published:** September 19, 2026 - **Apply:** https://www.buscojobs.com.es/senior-backend-developer-modernize-legacy-to-net-hybrid-en-madrid-ID-370435114 ## About the Role NET y coordinar con equipos para garantizar transiciones estables y de alta calidad.Se valorará experiencia sólida en Visual Basic y procesos de transformación, con enfoque en entornos Microsoft y soluciones de transformación digital. ## Description Raona busca un Backend Developer Senior para liderar la evolución y modernización de aplicaciones legacy.El rol implica migrar funcionalidades a C#/.NET y coordinar con equipos para garantizar transiciones estables y de alta calidad.Se valorará experiencia sólida en Visual Basic y procesos de transformación, con enfoque en entornos Microsoft y soluciones de transformación digital.Ofrecemos contrato indefinido y modalidad híbrida, con sede en Barcelona y opción de teletrabajo.#J-*****-Ljbffr ## Related Videos - [This Is Not Your Father's .NET](https://www.wearedevelopers.com/videos/967-this-is-not-your-father-s-net) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Python Data Visualization @ Deepnote (w/ PyViz overview)](https://www.wearedevelopers.com/videos/113-python-data-visualization-deepnote-w-pyviz-overview) - [Back(end) to the Future: Embracing the continuous Evolution of Infrastructure and Code](https://www.wearedevelopers.com/videos/440-back-end-to-the-future-embracing-the-continuous-evolution-of-infrastructure-and-code) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [Discover .NET MAUI](https://www.wearedevelopers.com/videos/700-discover-net-maui) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development) - [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)