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Achievements

Achievement: Pair ExtraordinaireAchievement: QuickdrawAchievement: Pull Sharkx2Achievement: YOLO

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lesterdlb/README.md

👋 Hi, I'm Lester López

I'm a Senior Backend Engineer specialized in .NET.

  • 🎯 Currently focused on: Observability (OpenTelemetry), microservices, and event-driven systems
  • 💬 Ask me about: .NET, Clean Architecture, CQRS, messaging, REST APIs, Kubernetes, RabbitMQ, and system design
  • 🔍 Learning: TypeScript, Angular, and game development fundamentals

🛠️ What I Do

  • Backend Engineering (C# / .NET 8+)
    APIs REST, Clean Architecture, Vertical Slice, CQRS.

  • Distributed Systems
    MassTransit, RabbitMQ, Sagas, Routing Slips, async messaging patterns.

  • Observability & Monitoring
    OpenTelemetry, Grafana Stack, Jaeger, Application Insights, dashboards & traces.

  • DevOps / Cloud-Native
    Docker, Kubernetes, CI/CD, containerized development environments.

  • Security & Identity
    OAuth2, OpenID Connect, JWT, Keycloak, OpenIddict.

  • Frontend (when needed 😄)
    React, Angular, TypeScript, SPAs with Authorization Code + PKCE.

🧰 Tech Stack

Backend & APIs

c# dotnet nodejs efcore

Messaging & Distributed Systems

rabbitmq masstransit

Observability & Monitoring

opentelemetry grafana jaeger

DevOps & Tools

docker kubernetes git rider mermaid

Frontend

react angular typescript

Databases

mssql mysql

Top Langs

📚 Currently Learning

  • Advanced distributed systems patterns
  • Improving front-end architecture with Angular

📫 Find me online

Thanks for stopping by 👋

Pinned Loading

  1. project-task-management project-task-management Public

    C#

  2. todo-list-blazor todo-list-blazor Public

    Simple Todo List

    CSS

  3. minimal-api-todos minimal-api-todos Public

    Minimal Api todos app with React frontend

    TypeScript

  4. wordle-clone wordle-clone Public

    Simple Wordle Clone

    JavaScript

  5. calculator-app calculator-app Public

    Javascript calculator app

    CSS