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# C# Developer

- **Company:** American IT Systems
- **Location:** Greer, SC, United States
- **Experience:** Expert
- **Salary:** $110,000.0 - $120,000.0
- **Contract:** Permanent contract
- **Skills:** ASP.NET, .NET Framework, Multitier Architecture, Amazon Web Services, Application Performance Management, ASP.NET MVC Framework, Automation of Tests, Unit Testing, Microsoft Azure, C Sharp (Programming Language), Software Quality, Code Review, Continuous Integration, Relational Databases, Database Design, Database Queries, Software Debugging, Software Design Patterns, DevOps, Memory Management, Entity Framework, Github, Microsoft SQL Server, MongoDB, Model View Controller (MVC), Model View ViewModel, NoSQL, Nunit, OAuth, Performance Tuning, Software Architecture, Systems Development Life Cycle, Queueing Systems, RabbitMQ, Redis, Mockito, Mstest, Oop Languages, Software Engineering, SQL Stored Procedures, Web Services, Multithreading, Enterprise Software Applications, .NET Core, ReactJS, Blazor, Grafana, Backend, Git, Xunit, Moq, Event Driven Architecture, Containerization, AngularJS, Solid Principles, Kubernetes, Information Technology, Deployment Automation, Bicep, Apache Kafka, Cosmos DB, Front End Software Development, Asynchronous Programming, Api Gateway, Restful APIs, Terraform, Software Version Control, Azure Resource Manager, Docker, Elk Stack, Jenkins, Web Api, Microservices
- **Published:** August 16, 2026
- **Apply:** https://www.careerjet.com/jobad/use9c41d614abe2713fa345e29fbd2cfbb

## About the Role

* 8+ years of professional software development experience with C#
 * Strong expertise in .NET Framework and .NET Core/.NET 5+
 * Proven experience building and maintaining ASP.NET / ASP.NET Core MVC and Web API applications
 * Solid understanding of OOP principles, SOLID design principles, and common design patterns
 * Strong experience with Entity Framework / EF Core and ORM concepts
 * Proficiency in SQL Server (or similar RDBMS): writing complex queries, stored procedures, and performance tuning
 * Experience with RESTful API design and integration
 * Hands on experience with unit testing frameworks (xUnit, NUnit, MSTest) and mocking libraries (Moq)
 * Strong understanding of multithreading, asynchronous programming (async/await), and memory management
 * Experience with version control systems, primarily Git
 * Solid understanding of software architecture patterns (Microservices, Clean Architecture, MVC, MVVM)
 * Strong debugging, troubleshooting, and performance optimization skills
 * Experience working in Agile/Scrum environments

Preferred Skills

 * Experience with cloud platforms, especially AWS
 * Familiarity with containerization and orchestration (Docker, Kubernetes)
 * Experience with message queues/event driven architecture (RabbitMQ, Kafka)
 * Exposure to CI/CD tools (Azure DevOps, Jenkins, GitHub Actions)
 * Front end experience with Angular, React, or Blazor for full stack collaboration
 * Experience with Infrastructure as Code (Terraform, ARM templates, Bicep)
 * Knowledge of NoSQL databases (Cosmos DB, MongoDB, Redis)
 * Familiarity with microservices architecture and API gateways
 * Experience with monitoring/observability tools (Application Insights, ELK stack, Grafana)
 * Understanding of security best practices (OAuth2, JWT, Identity Server), * Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent practical experience)

## Description

We are seeking a highly experienced C# Developer to design, develop, and maintain robust enterprise grade applications using the .NET ecosystem. The ideal candidate has deep expertise in software architecture, a track record of delivering scalable solutions, and the ability to guide technical decisions and mentor other developers, * Design, develop, test, and deploy scalable applications using C# and the .NET framework/.NET Core

 * Architect solutions and contribute to technical design decisions across projects
 * Build and maintain RESTful APIs, web services, and backend systems
 * Write clean, efficient, and well documented code following SOLID principles and design patterns
 * Optimize application performance, scalability, and reliability
 * Collaborate with cross functional teams (product, QA, DevOps, front end) throughout the SDLC
 * Conduct code reviews and enforce coding standards and best practices
 * Write unit, integration, and automated tests to ensure code quality
 * Troubleshoot, debug, and resolve production issues
 * Manage database design, queries, and optimization (SQL Server or equivalent)
 * Support CI/CD pipelines and deployment automation
 * Evaluate and recommend new tools, frameworks, and technologies


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