Senior Dotnet Developer

Job Title: Senior .Net Developer (10+ Years)

Location: Remote

Employment: Full Time/ W2 (NO C2C)

Job Summary: We are seeking a highly experienced Senior .NET Developer with 10+ years of hands-on experience in designing, developing, and maintaining enterprise-grade applications. The ideal candidate will have deep expertise in the Microsoft .NET ecosystem, including C#, ASP.NET Core, Web APIs, microservices, cloud platforms, and modern DevOps practices. This role requires strong technical leadership, problem-solving skills, and the ability to collaborate with cross-functional teams to deliver scalable, secure, and high-performance solutions.

Key Responsibilities:

• Design, develop, and maintain enterprise-level applications using C#, .NET Core / .NET 6+, and ASP.NET Core, following best practices in object-oriented and SOLID design principles.
• Build and maintain RESTful Web APIs and backend services, ensuring high performance, scalability, and reliability.
• Design and implement microservices architectures, including service communication, resiliency, and fault tolerance patterns.
• Develop and optimize data access layers using Entity Framework Core, Dapper, and ADO.NET.
• Work extensively with relational and NoSQL databases such as SQL Server, PostgreSQL, Oracle, MongoDB, or Cosmos DB, including schema design and performance tuning.
• Implement cloud-native solutions using Azure and/or AWS, leveraging managed services, storage, security, and monitoring capabilities.
• Containerize applications using Docker and deploy them using Kubernetes or cloud-native container services.
• Build and maintain CI/CD pipelines using tools such as Azure DevOps, GitHub Actions, Jenkins, or GitLab CI to automate builds, testing, and deployments.
• Ensure application security by implementing authentication and authorization mechanisms such as OAuth2, OpenID Connect, JWT, and role-based access control.
• Write high-quality, testable, and maintainable code, including unit and integration tests using xUnit, NUnit, MSTest, and Moq.
• Monitor and troubleshoot production issues using logging and monitoring tools such as Application Insights, ELK stack, or Splunk.
• Participate in architecture and design discussions, contributing to technical decisions and long-term platform strategy.
• Conduct code reviews, mentor junior developers, and promote best practices in coding standards, design patterns, and software engineering processes.
• Collaborate with product owners, QA, DevOps, frontend developers, and business stakeholders in Agile/Scrum environments to deliver high-quality solutions.

Required Skills & Qualifications:

• Strong expertise in C#, .NET Core / .NET 6+, ASP.NET Core, and Web API development.
• Solid understanding of object-oriented programming, design patterns, and clean architecture.
• Extensive experience with SQL Server and other relational databases, including query optimization and performance tuning.
• Hands-on experience with microservices, RESTful services, and distributed systems.
• Experience working with cloud platforms (Azure preferred; AWS acceptable) and cloud-native development practices.
• Practical knowledge of Docker, Kubernetes, and container-based deployments.
• Strong experience with CI/CD pipelines, Git-based version control, and DevOps practices.
• In-depth understanding of application security best practices across backend services.
• Experience working in Agile/Scrum environments with strong communication and collaboration skills.