Senior.NET Developer - Apps Modernization ProjectJob Location: Remote – Pacific Time (PST)Duration: ContractFor US Citizens OnlyJob SummaryWe are seeking a skilled.NET Developer to join our team and play a key role in modernizing a core system. This project involves migrating a legacy system from a stored procedure-driven architecture to a modern, testable C#/.NET Core solution using Entity Framework Core. A crucial constraint is that the existing SQL Server database schema must remain unchanged.Responsibilities:• Analyze existing stored procedures and understand their complex business logic and data access patterns.• Design and implement equivalent functionality in C# using.NET Core and Entity Framework Core.• Utilize the Database-First approach with EF Core to generate models from the existing database.• Write clean, maintainable, and well-tested code following SOLID principles.• Implement the repository pattern to abstract data access.• Create unit and integration tests to ensure code quality and correctness.• Collaborate with other developers and stakeholders to deliver high-quality software.• (Optional) Contribute to the deployment and configuration of the application in an Azure environment.Required Skills and Experience:• Strong proficiency in C#.• Experience with.NET Core (or.NET 6+).• Solid understanding of Entity Framework Core (EF Core), particularly the Database-First approach.• Experience working with SQL Server databases.• Proven ability to write LINQ to Entities queries.• Experience working with Azure Functions/Durable Functions• Experience with unit testing frameworks (xUnit, NUnit, or MSTest) and mocking frameworks (Moq, NSubstitute, or FakeItEasy).• Understanding of SOLID design principles.• Familiarity with dependency injection.• Experience with Git or other version control systems.Desired Skills (Bonus Points):• Experience with Azure Resources (Azure SQL Database, Azure App Service, etc.) in DevOps Pipelines and API/SDKs• Understanding of Domain-Driven Design (DDD) concepts.• Experience with performance profiling and optimization of data access code.• Experience migrating legacy systems to modern architectures.