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  • Umuarama, Paraná, Brazil

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OrnelasD-Rogers/README.md

Hi there, I'm Vinicius Ornelas 👋

Senior Software Engineer | Java & Flutter Specialist | Offline-First Architectures

Bridging the gap between robust backends and resilient mobile applications.

LinkedIn Email


🚀 Professional Summary

I am a Senior Software Engineer with a strong background in Mechatronics Engineering, applying analytical rigor to distributed systems. I specialize in the full lifecycle of data: from high-performance Java backends to offline-first Flutter mobile apps.

  • Backend Mastery: Expert in Java 21, Spring Boot 3, and breaking down monolithic applications using Event-Driven Architecture.
  • Mobile Engineering: Focused on complex synchronization strategies (Delta Sync), local persistence (SQLite/Drift), and state management (Bloc/Provider).
  • Impact: Track record of reducing infrastructure costs (AWS) by ~20% and optimizing query performance for high-volume data.

🛠️ Tech Stack & Tools

Java Spring Boot PostgreSQL Redis
Flutter Dart Bloc SQLite
AWS Docker GitHub Actions


🏆 Featured Project: Workshop REST API

Open Source implementation demonstrating modern enterprise patterns.

A resilient backend architecture designed to support complex client interactions, ensuring zero-downtime deployments and data consistency.

  • Architecture: Modular Monolith using Java 21 Records & Pattern Matching.
  • Performance: Hybrid Data Access (JPA for writes, JDBC + Lateral Joins for reads) eliminating N+1 problems.
  • Reliability: Event-Driven mechanism using Spring Events (@EventListener, @Async) to decouple side-effects.
  • Quality: Testing pyramid with ~200 integration scenarios using Rest Assured.

View Repository


📊 GitHub Stats

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