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gustavo-keiller/README.md

Hi, I'm Gustavo Keiller! 👋

Software Engineer specialized in the Microsoft Ecosystem (.NET).

My focus is engineering robust, scalable solutions using C#, .NET 8, and SQL Server, applying modern design patterns like DDD and Clean Architecture to solve real-world business problems.


🚀 About Me

I am a developer who believes that code quality is non-negotiable. My goal is to design backend and full-stack solutions that are maintainable, testable, and efficient.

  • 🏗️ Architecture First: Strong adherence to Domain-Driven Design (DDD) and Clean Architecture principles.
  • 🧪 Quality Assurance: Committed to Unit Testing (xUnit) and TDD practices.
  • ☁️ Cloud Native: Currently expanding my expertise in Microsoft Azure and Microservices patterns.
  • 🌎 Fluent in English and Portuguese.

📫 Let's connect: LinkedIn


💻 Tech Stack


🌟 Featured Project: IT Task Manager

A modern WPF .NET 8 Enterprise Application that demonstrates how to bring Backend Architecture (Clean Arch/DDD) to the Client Side.

  • Highlights:
    • 🏗️ Clean Architecture & MVVM: Strict separation of concerns.
    • 🔄 Custom Kanban Board: Built from scratch with drag-and-drop logic.
    • In-Memory Mocking: Custom Dependency Injection strategy for instant demo execution.
    • 🧪 Unit Tested: Service layer fully covered with xUnit.

Project Preview

👉 View Code & Documentation


📊 GitHub Stats

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Versão em Português 🇧🇷 abaixo


Olá, eu sou o Gustavo Keiller! 👋

Engenheiro de Software especializado no Ecossistema Microsoft (.NET).

Meu foco é a engenharia de soluções robustas e escaláveis usando C#, .NET 8 e SQL Server, aplicando padrões modernos como DDD e Clean Architecture.


🚀 Sobre Mim

Sou um desenvolvedor que acredita que a qualidade do código é inegociável. Meu objetivo é projetar soluções backend e full-stack que sejam manuteníveis, testáveis e eficientes.

  • 🏗️ Arquitetura: Forte adesão aos princípios de DDD e Clean Architecture.
  • 🧪 Qualidade: Comprometido com Testes Unitários (xUnit) e boas práticas.
  • ☁️ Cloud Native: Atualmente expandindo conhecimentos em Azure e Microserviços.

🌟 Projeto em Destaque: Gerenciador TI

Uma aplicação WPF .NET 8 Enterprise moderna que demonstra como aplicar arquitetura de Backend (Clean Arch/DDD) no Client Side.

  • Destaques:
    • 🏗️ Clean Architecture & MVVM: Estrita separação de responsabilidades.
    • 🔄 Kanban Board Customizado: Lógica de drag-and-drop feita do zero.
    • Mocking In-Memory: Estratégia de Injeção de Dependência para execução instantânea (Demo).

👉 Ver Código e Documentação

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  1. GerenciadorTi-Demo GerenciadorTi-Demo Public

    A demo version of a task management tool that i've created

    C# 1