> Markdown version of [/jobs/ext/4241736-senior-net-backend-engineer-microservices-performance](https://www.wearedevelopers.com/jobs/ext/4241736-senior-net-backend-engineer-microservices-performance). 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 Backend Engineer - Microservices & Performance - **Company:** VORTECH PCI GROUP - **Location:** Córdoba, Spain - **Contract:** Permanent contract - **Skills:** ASP.NET, .NET Framework, C Sharp (Programming Language), Continuous Integration, Distributed Systems, .NET Core, Backend, Restful APIs, Microservices - **Published:** October 31, 2026 - **Apply:** https://www.buscojobs.com.es/senior-net-backend-engineer-microservices-performance-en-cordoba-ID-377625549 ## About the Role Vortech PCI Group S.L. seeks an experienced backend developer to design, build and maintain scalable services using C#, .NET Core and ASP.NET Core for an international greenfield electronic trading platform. The role focuses on REST APIs, microservices, distributed systems and event-driven integrations, with emphasis on performance, reliability and CI/CD in a multinational team. English is the working language; location includes Spain and other European sites; you will join a technically ## Description Vortech PCI Group S.L. seeks an experienced backend developer to design, build and maintain scalable services using C#, .NET Core and ASP.NET Core for an international greenfield electronic trading platform.The role focuses on REST APIs, microservices, distributed systems and event-driven integrations, with emphasis on performance, reliability and CI/CD in a multinational team. English is the working language; location includes Spain and other European sites; you will join a technically#J-*****-Ljbffr