Senior .NET Backend Engineer – Microservices & Performance

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-1880…