Senior .NET Developer

Job Title: Senior .NET Developer
Employment Type: W2
Experience: 12+ Years
Location: Plano, TX (Onsite/Hybrid)

Job Summary

We are looking for a highly experienced Senior .NET Developer with 12+ years of IT experience to design, develop, and maintain enterprise-level applications using the Microsoft technology stack. The ideal candidate should have strong expertise in .NET Core, ASP.NET, C#, Microservices, Web APIs, SQL Server, cloud technologies, and modern front-end frameworks. The candidate will work closely with architects, business analysts, QA teams, and stakeholders to deliver scalable, secure, and high-performance applications.

Key Responsibilities

• Design, develop, and maintain enterprise applications using C#, ASP.NET Core, .NET Core/.NET 6/7/8, and MVC.
• Develop RESTful Web APIs and Microservices for distributed applications.
• Build responsive user interfaces using Angular, React, JavaScript, HTML5, CSS3, and Bootstrap.
• Develop scalable backend services and business logic following best coding practices.
• Design and optimize SQL Server databases, stored procedures, functions, and complex queries.
• Integrate applications with third-party systems using REST, SOAP APIs, JSON, and XML.
• Implement authentication and authorization using OAuth, JWT, and Identity Framework.
• Write unit and integration tests using xUnit, NUnit, or MSTest.
• Participate in code reviews, architecture discussions, and technical design sessions.
• Deploy and maintain applications using Azure DevOps, Git, Jenkins, and CI/CD pipelines.
• Troubleshoot production issues and optimize application performance.
• Collaborate with cross-functional Agile teams to deliver high-quality software solutions.
• Mentor junior developers and promote coding standards and best practices.

Required Qualifications

• 12+ years of overall IT experience.
• Strong experience with C#, ASP.NET, ASP.NET Core, .NET Core/.NET 6/7/8.
• Expertise in Web API development and Microservices Architecture.
• Hands-on experience with Entity Framework, LINQ, and ADO.NET.
• Strong knowledge of SQL Server, T-SQL, Stored Procedures, and database optimization.
• Experience with Angular or React for front-end development.
• Experience integrating RESTful and SOAP web services.
• Knowledge of Azure or AWS cloud platforms.
• Hands-on experience with Git, Azure DevOps, Jenkins, and CI/CD.
• Experience with Docker and Kubernetes is a plus.
• Strong understanding of Design Patterns, SOLID Principles, and Object-Oriented Programming.
• Experience working in Agile/Scrum environments.
• Excellent analytical, problem-solving, and communication skills.

Preferred Qualifications

• Experience with Azure App Services, Azure Functions, Azure SQL, and Azure Storage.
• Experience with RabbitMQ, Kafka, or other messaging platforms.
• Knowledge of Redis caching and application performance tuning.
• Microsoft Azure Developer Associate certification is a plus.
• Experience in Financial Services, Healthcare, Insurance, or Retail domains is preferred.

Technical Skills

• C#
• ASP.NET
• ASP.NET Core
• .NET Core (.NET 6/7/8)
• MVC
• Web API
• Microservices
• Entity Framework Core
• LINQ
• ADO.NET
• SQL Server
• T-SQL
• Stored Procedures
• REST APIs
• SOAP
• JSON
• XML
• Angular
• React
• JavaScript
• TypeScript
• HTML5
• CSS3
• Bootstrap
• Azure
• AWS
• Docker
• Kubernetes
• Azure DevOps
• Git
• Jenkins
• CI/CD
• xUnit
• NUnit
• MSTest
• OAuth
• JWT
• Redis
• Kafka
• RabbitMQ
• Agile
• Scrum
• JIRA
• Confluence

Soft Skills

• Strong analytical and problem-solving skills.
• Excellent verbal and written communication.
• Ability to work independently and in collaborative Agile teams.
• Strong leadership and mentoring abilities.
• Excellent time management and organizational skills.