Rainer Ledesma

Developed scalable and responsive web applications using .NET Core 6, ASP.NET MVC, Angular 13, Kendo UI, Razor, and TypeScript, ensuring optimal performance and cross-platform compatibility. Engineered interactive user interfaces using React, Angular, and Blazor; boosted user engagement by 40% through intuitive navigation and responsive design, resulting in a 25% increase in session durations.

Led development of scalable web applications using .NET Core, ASP.NET MVC, Angular, and Azure, focusing on performance and cross-platform compatibility. Built interactive UI with React/Angular/Blazor; improved user engagement and session duration. Used Entity Framework + Azure Cosmos DB to optimize data access for >1M records; deployed Blazor apps with Azure App Service and Functions, reducing server costs by 25% and supporting 50k+ users. Implemented OAuth2 in Azure AD for secure authentication of 100k+ accounts. Implemented IaC with Terraform to provision Azure resources, cutting provisioning time by 40% and supporting 200+ instances. Managed AKS, VMs, and Load Balancers with 99.9% uptime and 500k daily requests. Collaborated with PM/UX/UI using Agile and Azure DevOps; improved release cycles by 30% and sprint completion rate to 95%. Tuned performance with Azure Monitor and Application Insights; improved responsiveness by 35% for 75k+ active users.

Developed scalable and responsive web applications using .NET Core 6, ASP.NET MVC, Angular 13, Kendo UI, Razor, and TypeScript, ensuring optimal performance and cross-platform compatibility. Engineered interactive user interfaces using React, Angular, and Blazor; boosted user engagement by 40% through intuitive navigation and responsive design, resulting in a 25% increase in session durations. Leveraged Entity Framework and Azure Cosmos DB to design and implement efficient data access layers and NoSQL databases, increasing data retrieval speed by 30% and supporting over 1 million records. Configured Blazor applications with Azure App Service and Functions, resulting in a 25% reduction in server costs and enhancing scalability for over 50,000 users. Enhanced security by implementing OAuth 2.0 authentication and authorization protocols in Azure Active Directory, ensuring secure authentication for 100,000+ user accounts. Implemented infrastructure as code (IaC) using Terraform to automate