Senior Backend .NET Developer

Website Solutions USA Inc.; Southfield (MI); Remote; USD 120,000 - 160,000; Full time

Job summary

Website Solutions USA Inc. is seeking a Senior Backend .NET Developer to design and build scalable RESTful services in a remote-friendly role.

You will implement SOLID and Clean Architecture, work with EF Core, LINQ, SQL Server/Azure SQL, and deliver secure, observable back-end systems. The ideal candidate has 6–8+ years of experience with C#, .NET 8/9/10, ASP.NET Core, REST APIs, and enterprise integrations.

Qualifications

• 6–8+ years of software development experience.
• Strong hands-on experience with C# and modern .NET.
• Experience with .NET 8/9/10, ASP.NET Core, Web API, Entity Framework Core, LINQ, and SQL Server/Azure SQL.
• Strong experience designing REST APIs and enterprise integrations.
• Knowledge of asynchronous programming, messaging, and distributed systems.
• Experience with Azure and CI/CD.
• Strong understanding of database design, query optimization, SOLID principles, and design patterns.
• Experience with automated testing and Git-based development.

Responsibilities

• Develop backend services and REST APIs using C# and .NET.
• Build business and domain logic using SOLID and Clean Architecture principles.
• Work with Entity Framework Core, LINQ, SQL Server, and Azure SQL.
• Design integrations with enterprise and third-party systems.
• Implement asynchronous processing, background services, and messaging.
• Work with Azure Service Bus and other messaging technologies.
• Implement API security using OAuth 2.0, JWT, Entra ID, and RBAC.
• Implement caching, logging, monitoring, and error-handling solutions.
• Develop unit and integration tests.
• Troubleshoot production issues and optimize application performance.
• Participate in code reviews and technical design discussions.
• Support CI/CD pipelines and cloud deployments.

Skills

C#

.NET

ASP.NET Core

REST API design

Entity Framework Core

SQL Server/Azure SQL

Azure

Distributed systems

Git & CI/CD

Unit testing

Tools

Redis

Docker

Kubernetes

Azure API Management

Application Insights

Azure DevOps

Job description

Job Description

Job Title: Senior Backend .NET Developer
Job Location: Remote
Job Type: Full Time

Job Description:

• Develop backend services and REST APIs using C# and .NET.
• Build business and domain logic using SOLID and Clean Architecture principles.
• Work with Entity Framework Core, LINQ, SQL Server, and Azure SQL.
• Design integrations with enterprise and third-party systems.
• Implement asynchronous processing, background services, and messaging.
• Work with Azure Service Bus and other messaging technologies.
• Implement API security using OAuth 2.0, JWT, Entra ID, and RBAC.
• Implement caching, logging, monitoring, and error-handling solutions.
• Develop unit and integration tests.
• Troubleshoot production issues and optimize application performance.
• Participate in code reviews and technical design discussions.
• Support CI/CD pipelines and cloud deployments.

Requirement:

• 6–8+ years of software development experience.
• Strong hands-on experience with C# and modern .NET.
• Experience with .NET 8/9/10, ASP.NET Core, Web API, Entity Framework Core, LINQ, and SQL Server/Azure SQL.
• Strong experience designing REST APIs and enterprise integrations.
• Knowledge of asynchronous programming, messaging, and distributed systems.
• Experience with Azure and CI/CD.
• Strong understanding of database design, query optimization, SOLID principles, and design patterns.
• Experience with automated testing and Git-based development.

Preferred:

• Experience with microservices and event-driven architecture.
• Experience with Redis, Docker, and Kubernetes.
• Experience with Azure API Management and Application Insights.
• Experience migrating legacy .NET Framework applications to modern .NET.