Senior .NET Developer – Job Description

Job Title: Senior .NET Developer
Experience: 10+ Years
Job Type: W2 Contract Only

Job Summary

We are looking for a highly experienced Senior .NET Developer with 10+ years of experience in designing, developing, and maintaining enterprise-level applications. The ideal candidate will have strong hands-on expertise in C#, .NET Core, ASP.NET Core, Web API, SQL Server, Azure, microservices, and modern front-end technologies.

Responsibilities

• Design, develop, test, and maintain enterprise applications using C# and .NET/.NET Core.
• Develop scalable ASP.NET Core Web APIs and RESTful services.
• Build applications using ASP.NET MVC, Entity Framework, LINQ, and .NET Core.
• Design and optimize SQL Server databases, stored procedures, queries, and data-access layers.
• Design and implement microservices and distributed applications.
• Integrate applications with internal and external REST/SOAP APIs.
• Work with Angular, React, JavaScript, HTML, and CSS for full-stack development.
• Implement authentication and authorization using OAuth 2.0, JWT, and Azure AD.
• Develop unit and integration tests using xUnit, NUnit, or MSTest.
• Perform code reviews and ensure adherence to coding standards, design patterns, and best practices.
• Troubleshoot production issues and perform application performance optimization.
• Develop and maintain CI/CD pipelines using Azure DevOps, Jenkins, or GitHub Actions.
• Deploy and support applications in Microsoft Azure and/or AWS environments.
• Collaborate with architects, QA engineers, business analysts, and cross-functional teams.
• Participate in Agile/Scrum ceremonies and contribute throughout the complete SDLC.
• Mentor junior and mid-level developers and provide technical leadership.

Required Skills

• 10+ years of professional software development experience.
• Strong expertise in C#, .NET, .NET Core, and ASP.NET Core.
• Extensive experience with Web API, REST APIs, MVC, Entity Framework, and LINQ.
• Strong experience with SQL Server and T-SQL.
• Hands-on experience with microservices architecture.
• Strong knowledge of OOP, SOLID principles, design patterns, and clean architecture.
• Experience with Angular or React and JavaScript/TypeScript.
• Experience with Azure and/or AWS cloud services.
• Strong experience with Git and CI/CD.
• Experience with unit testing frameworks such as xUnit, NUnit, or MSTest.
• Strong debugging, performance tuning, and problem-solving skills.
• Excellent communication and technical leadership skills.

Preferred Skills

• Experience with Azure Functions, App Services, AKS, Service Bus, Key Vault, and Azure SQL.
• Experience with Docker and Kubernetes.
• Knowledge of Kafka, RabbitMQ, or other messaging platforms.
• Experience with Redis or distributed caching.
• Knowledge of Terraform and Infrastructure as Code.
• Experience with cloud-native and distributed systems.
• Knowledge of DevOps and DevSecOps practices.