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dguisinger/README.md

👋 Hi, I'm Dan Guisinger

AWS Certified Solutions Architect • DevOps Engineer • .NET Specialist
Building scalable, secure, and cost-optimized cloud systems with AWS and C#.

  • 🧩 Creator of:
    • Oproto.FluentDynamoDb — a high-performance .NET DynamoDB framework with source generation, LINQ-style querying, and encrypted fields
    • Oproto.LambdaOpenApi - OpenAPI spec generator for AWS Lambda Annotations projects
  • 🧠 Experienced in serverless architectures, CI/CD automation, and cloud cost optimization
  • 🔐 Certified in AWS Solutions Architect – Professional, DevOps Engineer – Professional, and Security Specialty

💼 Consulting & Open-Source

I provide consulting and implementation services to help teams modernize applications, automate delivery, and reduce AWS costs.

➡️ Learn more at danguisinger.com
➡️ Explore open-source work at github.com/Oproto


🧰 Tech Stack

AWSC# / .NET 8Node.js / TypeScriptAngularTerraform / CDKDynamoDBLambdaStep FunctionsAppSyncEventBridge


📫 Connect

  • 🌐 danguisinger.com

  • 💼 LinkedIn

  • 🧑‍💻 Bluesky

    Your support helps:

  • Fund continued maintenance of the Oproto open source ecosystem

  • Keep libraries AOT-compatible and aligned with new AWS features

  • Improve documentation, samples, and test coverage

  • Sustain long-term open-source availability

❤️ Support my Projects

You can support my projects in one of two ways:

👉 GitHub Sponsors — Recurring support for those who want to help sustain long-term development.

👉 Buy Me a Coffee — A simple, one-time "thanks" for helping you ship faster.

Every bit of support helps keep the projects healthy, actively maintained, and open for the community. Thank you!

Popular repositories Loading

  1. aws-mobile-appsync-sdk-js aws-mobile-appsync-sdk-js Public

    Forked from awslabs/aws-mobile-appsync-sdk-js

    JavaScript library files for Offline, Sync, Sigv4. includes support for React Native

    TypeScript

  2. dguisinger dguisinger Public

  3. Oproto.FluentDynamoDb.Tutorials Oproto.FluentDynamoDb.Tutorials Public

    Tutorials for Oproto.FluentDynamoDb for blog series

  4. lambda-graphql lambda-graphql Public

    Dynamous Kiro Hackathon entry for AppSync GraphQL Schema gneration from C# Lambda Function code.

    C#