Skip to content
View dan-oliveiraa's full-sized avatar
3 followers · 3 following

Block or report dan-oliveiraa

Block user

Prevent this user from interacting with your repositories and sending you notifications. Learn more about blocking users.

You must be logged in to block users.

Maximum 250 characters. Please don't include any personal information such as legal names or email addresses. Markdown supported. This note will be visible to only you.
Report abuse

Contact GitHub support about this user’s behavior. Learn more about reporting abuse.

Report abuse
dan-oliveiraa/README.md

Hi, I'm Daniel! 👋

I'm a Software Engineer from Brazil 🇧🇷
Focused on Flutter, Kotlin, Payments & High-Reliability Mobile Systems

👨‍💻 About

  • 📱 Mobile Engineer specialized in Flutter & Kotlin
  • 💳 Working with payments, NFC/Mifare, QR Code and Digital Wallets
  • 🧠 Strong focus on Clean Architecture, Hexagonal (Ports & Adapters) and MVVM
  • 🚀 Experience building offline-first systems used by millions of users
  • 🤝 I enjoy teamwork, mentoring, and solving complex real-world problems

🛠 Programming Languages & Tools

Clean Architecture Hexagonal Architecture MVVM DDD TDD BLoC GoRouter

💳 Payments & Transport Systems

  • Debit & Credit cards
  • Pix & QR Code
  • Apple Pay & Google Pay
  • NFC / Mifare (public transport validation)
  • Acquirer integrations (Cielo, ADIQ, Dock, Sigo)

🧪 Testing & Quality

  • Unit, Widget and Integration Tests
  • Mocktail
  • Automated UI tests (Appium + Robot Framework)
  • CI/CD with Azure DevOps

📚 Currently studying

French System Design AI Assisted Development Kotlin Compose

🌐 Languages

  • 🇧🇷 Portuguese — Native
  • 🇺🇸 English — Full Professional
  • 🇫🇷 French — Limited Working

🔗 Social

Popular repositories Loading

  1. getx-study getx-study Public

    This repository is a learning project focused on applying Clean Architecture in Flutter using GetX

    Dart

  2. clean_architecture_study clean_architecture_study Public

    A comprehensive Flutter study following Clean Architecture principles with modularization, designed for scalability, testability, and long-term maintainability.

    Dart

  3. flutter_lab flutter_lab Public

    A collection of hands-on experiments exploring Flutter and Dart.

    Dart

  4. llm_labs llm_labs Public

    A Retrieval-Augmented Generation (RAG) system for Flutter runtime troubleshooting and performance diagnostics.

    Python

  5. dan-oliveiraa dan-oliveiraa Public

  6. shorten-list-test shorten-list-test Public

    Dart