.NET on AWS Blog
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Securing GraphQL APIs with AWS AppSync Lambda Authorizers in .NET
In our previous post Building a GraphQL API with AWS AppSync Using Direct Lambda Resolvers in .NET, we demonstrated how to build a serverless GraphQL API using AWS AppSync with Direct Lambda Resolvers. By eliminating Velocity Template Language (VTL) and JavaScript mapping templates, we simplified resolver development and enabled .NET developers to implement all backend […]
Modernize VB.NET applications to .NET 10 with AWS Transform
AWS Transform is an agentic service that accelerates modernization, including .NET applications. With it, you can transform various types of .NET Framework projects to modern versions of .NET including .NET 10. Until recently that support was limited to projects written in C#, the most-used .NET language. AWS Transform can now transform projects written in Visual […]
Supercharge Your IDE: Custom .NET MCP Servers for Amazon Q Developer
The rise of Generative AI (GenAI) and the new ecosystem around it have fundamentally changed how developers write, debug, and ship software. What once required hours of context-switching between documentation, Stack Overflow, and IDE windows, can now be accomplished in minutes with AI-assisted development. Tools like Amazon Q Developer bring intelligent code suggestions, automated test […]
The New AWS Transform .NET Developer Experience
At re:Invent 2025, AWS Transform unveiled an enhanced .NET developer experience in Visual Studio that is customizable, transparent, iterative, and collaborative. Our customers have asked for more insight into transformation activity and the ability to steer transformations. Developers can now benefit from editable transformation plans, estimated transformation time, real-time progress updates, next steps recommendations, and […]
Securing .NET Microservices with Entra ID on AWS
Introduction In modern distributed systems, microservices need to communicate securely with each other while maintaining strict security boundaries. Implementing secure app-to-app communication at scale requires a standardized approach for both authentication and authorization. OAuth 2.0 provides this standardization, letting services verify each other’s identity and control access to protected resources. Consider a typical e-commerce scenario […]
Building a .NET Log Analysis System using Amazon Bedrock
Introduction Log analysis helps you maintain reliable applications by identifying issues, troubleshooting problems, and gaining operational insights. Traditional log analysis struggles with unstructured data and requires hours of manual work to extract meaningful patterns. Generative AI transforms this process by automatically identifying anomalies, understanding context, and surfacing specific recommendations without complex configuration. In this post, […]
Modernize ASP.NET MVC Razor UI with AWS Transform
AWS Transform is an agentic service that accelerates modernization, including .NET applications. With it, you can transform .NET Framework Windows applications to cross-platform .NET and reduce operating costs up to 40% by running on Linux. For ASP.NET web applications, AWS Transform can port the UI layer to ASP.NET Core. In this post, I’ll explain how […]
Implementing Scalable DynamoDB Counter Operations in .NET Applications
Introduction Web applications use counter operations to deliver interactive user experiences. Whether tracking social media engagement metrics or managing e-commerce inventory levels, these operations must be both reliable and scalable. This post walks you through two architectural patterns that deliver predictable performance. To illustrate these patterns, let us consider a social media application post-liking feature. […]
VTEX accelerates application scale-up by 88% with Amazon EKS
Alberto Frocht and João Borges contributed to this article. Introduction VTEX, a global e-commerce company serving over 3,400 customers across 38 countries, has undergone a transformative journey since its inception in 2000. Evolving from a B2B textile software to a cloud-native, microservices-based e-commerce platform, VTEX has prioritized efficiency, resilience, and innovation. As part of the […]
Optimizing AWS development costs for .NET applications with LocalStack
Development and testing of AWS integrated applications incur AWS costs and need reliable internet connectivity. LocalStack helps reduce AWS costs by running emulated AWS services locally, while also eliminating connectivity issues. In this blog post, we will demonstrate how to reduce AWS costs for a sample .NET application in Development and Test cycles by setting […]









