> Markdown version of [/jobs/ext/4704005-senior-net-developer](https://www.wearedevelopers.com/jobs/ext/4704005-senior-net-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior .NET Developer - **Company:** Raas Infotek LLC - **Location:** Jersey City, NJ, United States - **Experience:** Expert - **Contract:** Contract - **Skills:** ASP.NET, JavaScript (Programming Language), .NET Framework, Agile Methodology, Amazon Web Services, Component-Based Software Engineering, Application Performance Management, HTML5, Microsoft Azure, C Sharp (Programming Language), Cascading Style Sheets (CSS), Cloud Engineering, Code Review, Database Development, Software Debugging, Software Design Patterns, DevOps, Language Integrated Query, Entity Framework, Enterprise Messaging Systems, Microsoft SQL Server, Nunit, Object-Oriented Software Development, Scrum Methodology, Systems Development Life Cycle, RabbitMQ, Mstest, Software Engineering, SQL Stored Procedures, Transact-SQL, Web Application Frameworks, Azure Service Bus, Enterprise Software Applications, .NET Core, ReactJS, Database Optimization, Software Security, Backend, Git, Xunit, AngularJS, Integration Tests, Solid Principles, Apache Kafka, Restful APIs, Software Version Control, Docker, Jenkins, Web Api, Microservices - **Published:** November 13, 2026 - **Apply:** https://www.dice.com/job-detail/5f5aa536-5964-4794-b952-9018d80df898 ## About the Role We are seeking an experienced Senior .NET Developer with 12+ years of hands-on experience in designing, developing, and maintaining enterprise-level applications. The ideal candidate will have strong expertise in Microsoft .NET technologies, C#, ASP.NET Core, Web API, microservices, and SQL Server, along with experience building scalable, secure, and high-performance applications., * 12+ years of professional software development experience. * Strong hands-on experience with C#, .NET Framework, .NET Core, and ASP.NET Core. * Extensive experience developing REST APIs and microservices. * Strong knowledge of Object-Oriented Programming (OOP), SOLID principles, and design patterns. * Experience with SQL Server, T-SQL, stored procedures, and database optimization. * Experience with Entity Framework / Entity Framework Core and LINQ. * Strong understanding of JavaScript, HTML5, CSS3, and modern web development concepts. * Experience with Git, Azure DevOps, Jenkins, or similar source control and CI/CD tools. * Strong debugging, problem-solving, and analytical skills. * Excellent communication and collaboration skills. Preferred Skills * Experience with Microsoft Azure or AWS cloud services. * Knowledge of Angular, React, or other modern frontend frameworks. * Experience with Docker and Kubernetes. * Knowledge of messaging technologies such as Azure Service Bus, RabbitMQ, or Kafka. * Experience with automated testing frameworks such as NUnit, xUnit, or MSTest. * Experience working in large-scale enterprise or financial services environments. * Familiarity with Agile development, DevOps practices, and cloud-native architecture. ## Description * Design, develop, enhance, and maintain enterprise applications using C#, .NET Core, and ASP.NET Core. * Build and integrate RESTful APIs and microservices. * Develop scalable backend services and application components using object-oriented programming and design principles. * Work with SQL Server, Entity Framework, LINQ, and stored procedures for database development and optimization. * Implement authentication, authorization, and application security best practices. * Collaborate with architects, business analysts, QA engineers, and cross-functional development teams. * Participate in code reviews, technical design discussions, and troubleshooting. * Optimize application performance, scalability, and reliability. * Develop and maintain automated unit and integration tests. * Support CI/CD pipelines, deployments, and production issue resolution. * Follow Agile/Scrum methodologies and established SDLC practices.