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.NET / C# Developer

INNERLUXES / Engineering · Backend

Remote — Europe Full-time Competitive salary Senior Level 5+ years exp

About the Role

We're looking for a senior .NET/C# Developer to build enterprise-grade backend systems, APIs, and cloud-native services for INNERLUXES clients. You'll work on projects ranging from financial advisory platforms and document management systems to real-time data processing engines. If you love clean architecture, SOLID principles, and the .NET ecosystem, this is your opportunity.

Responsibilities

  • Design and develop scalable web APIs and microservices using ASP.NET Core
  • Architect cloud-native solutions on Azure (App Service, Functions, Service Bus, Cosmos DB)
  • Implement clean architecture patterns (CQRS, Mediator, Repository) for maintainable codebases
  • Build and optimize SQL Server database schemas, stored procedures, and Entity Framework Core models
  • Integrate with third-party APIs, Azure Active Directory, and enterprise identity systems
  • Write comprehensive unit and integration tests with xUnit and Moq
  • Set up CI/CD pipelines with Azure DevOps or GitHub Actions for automated deployments
  • Mentor junior developers and participate in architecture decision records

Requirements

  • 5+ years of professional experience with C# and the .NET ecosystem
  • Strong proficiency with ASP.NET Core, Web API, and Entity Framework Core
  • Hands-on experience with Azure cloud services (App Service, Functions, SQL Database, Service Bus)
  • Solid understanding of design patterns, SOLID principles, and clean architecture
  • Experience with SQL Server, T-SQL, and database performance optimization
  • Familiarity with Docker, Kubernetes, and container orchestration
  • Experience with message brokers (RabbitMQ, Azure Service Bus) and event-driven architectures
  • Strong communication skills and experience collaborating in distributed teams

Nice to Have

  • Experience with Blazor or SignalR for real-time web applications
  • Knowledge of gRPC and Protocol Buffers for service communication
  • Azure certifications (AZ-204, AZ-400)
  • Experience with multi-tenant SaaS architecture
  • Background in financial services, healthcare, or government systems

What We Offer

  • Competitive salary with equity options
  • 100% remote work within Europe timezone
  • Comprehensive health, dental, and vision insurance
  • $3,000/year learning & certification budget
  • Unlimited PTO and flexible working hours
  • Work on enterprise-scale systems with real-world impact