Develop and maintain Sitecore ASP.NET MVC web applications (Sitecore 8+). Implement front-end features with HTML5, JavaScript, AngularJS, and JQuery; ensure responsive, accessible cross-browser design. Integrate Solr search, SOAP/REST services, follow Helix conventions, use Microsoft SQL Server, write automated unit/integration tests, participate in code reviews and Agile/Scrum development.