Develop and maintain .NET web applications from design through testing. Implement MVC (C# 4.5) and WebAPI, build front-ends with JavaScript/jQuery/HTML5/CSS3/Bootstrap, use SQL Server, and create RESTful APIs following best practices.

Administer and optimize MS SQL Server instances including backups, recovery, replication, high-availability (Always On, clustering, log shipping), performance tuning, capacity planning, migrations, ETL/data-warehouse support, linked servers, and large dataset handling. Monitor health, implement DR, support cloud deployments, follow ITSM, and design database objects per application requirements.