.NET Backend Developer

Description

We are looking for a **.NET Backend Developer** to join our team in Madrid in a hybrid work mode. The selected candidate will participate in the development and evolution of enterprise applications based on modern architectures. We seek backend-focused professionals with experience in best development practices and solid software design knowledge. EPAM NEORIS is a digital accelerator that supports some of the world’s leading companies in addressing business challenges and technological transformation, combining global engineering excellence with regional expertise and local proximity. With a presence in 11 Ibero-American countries and over 4,000 professionals across the region, we foster a diverse and inclusive culture centered on collaboration, continuous learning, and innovation. As part of EPAM—a global network with over 60,000 professionals across 55+ countries—we help organizations scale, modernize, and accelerate their digital capabilities through Cloud, Data & Analytics, Artificial Intelligence, Cybersecurity, Intelligent Automation, Strategic Consulting, and Software Engineering. At EPAM NEORIS, we believe growth is also built from people. Therefore, we promote an environment where every professional can develop, contribute new ideas, and participate in impactful regional and global projects. **Responsibilities** * Develop backend services and applications using .NET technologies * Design and implement REST APIs under modern architectures * Apply DDD, Clean Architecture, and SOLID principles in solution development * Participate in the design and implementation of microservices and event-driven architectures * Develop unit tests to ensure software quality * Collaborate with multidisciplinary teams following agile methodologies **Requirements** * Professional experience in C# development * Solid knowledge of .NET Core and ASP.NET Core * Experience with .NET 5 or later; .NET 8 is especially valued * Experience with Entity Framework and/or Dapper * Advanced knowledge of SQL Server * Experience in REST API development * Experience with Git and code repositories * Knowledge of the Repository pattern * Experience in event-driven architecture * Experience in microservice development * Solid knowledge of Domain-Driven Design (DDD) * Solid knowledge of Clean Architecture * Solid knowledge of SOLID principles * Solid knowledge of Onion Architecture * Experience with testing using xUnit and Moq * Experience in unit test development * English level B2+ or C1 **Nice to have** * Experience with Azure DevOps and CI/CD processes * Knowledge of cloud environments on Microsoft Azure * Frontend development experience with React * Participation in agile teams using Scrum or Kanban * Experience in corporate environments and complex architectures **We offer** * • Permanent contract with competitive salary• Flexible work mode and possibility of remote work• Personalized career plan and continuous training• Participation in stable projects with high technical content• Flexible working hours and focus on work-life balance• Social benefits tailored to your needs