Senior Dotnet Developer

Role : Senior / Lead .NET Developer

Location: Lisle, ILKey ResponsibilitiesDesign, develop, test, deploy, and maintain enterprise applications using C#, ASP.NET, ASP.NET Core, MVC, Web API, and related Microsoft technologies.Modernize legacy .NET applications and services to improve performance, reliability, maintainability, and user experience.Build and consume RESTful APIs and web services to support integrations with internal and external systems.Develop responsive user interfaces using HTML5, CSS, Bootstrap, JavaScript, jQuery, Angular, and React where applicable.Create and optimize SQL queries, stored procedures, triggers, indexes, and database objects across SQL Server and other relational databases.Participate in requirements gathering, analysis, technical design, solution estimation, documentation, testing, and implementation activities.Support Agile delivery practices, including sprint planning, backlog refinement, code reviews, unit testing, and release coordination.Provide production support, troubleshoot application issues, analyze root causes, and implement corrective actions.Collaborate with business users, product owners, QA teams, infrastructure teams, and offshore/onshore development teams.Contribute to CI/CD pipelines, source control practices, build automation, and deployment processes using tools such as Azure DevOps, GitHub, and TFS.