Senior Web Developer with 9+ years of experience architecting, designing, anddeploying web solutions using C# ASP.Net, HTML/CSS/JavaScript, and React. Deepexpertise in content management systems (CMS) including Sitecore, with proven trackrecord delivering responsive websites on time and on budget. Strong full-stackcapabilities with MVC patterns, JSON APIs, and modern frontend build tools. FluentEnglish, Brazil-based, ready for contractor engagement.