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EngDann/README.md

👋 Hello, I'm Danilo de Melo

Fullstack Engineer (Backend & Mobile) | AI Researcher

Designing and shipping high throughput systems, scalable mobile apps, and AI integrated products.


👨🏻‍💻 About Me

I am a Software Engineer experienced in working across the entire delivery cycle, from system design and API architecture to CI/CD and observability. I enjoy taking ownership of complex problems, building fault tolerant systems, and fluidly moving between backend services and mobile applications.

  • 🏢 Work: Software Engineer at Bcodex, migrating legacy payment gateways to high performance Node.js (Express and NestJS) architectures using Hexagonal Architecture to handle large transaction volumes.
  • 🧠 Research: AI Research Assistant at CEDIS (University of Brasília), exploring LLM orchestration, RAG pipelines, and prompt engineering for enterprise contexts.
  • 🎓 Education: Pursuing a B.S. in Software Engineering at the University of Brasília (UnB).
  • 🤝 Community: Volunteer Career Mentor, helping early career developers with technical skills and market preparation.

🛠️ Tech Stack & Tools

⚙️ Backend & Databases

Node.js Fastify NestJS TypeScript Java Spring Boot PostgreSQL MongoDB Redis RabbitMQ

📱 Frontend & Mobile

React Native Expo Flutter Dart React Next.js

☁️ DevOps, Testing & Infra

Docker GitHub Actions AWS S3 Vitest Git

🏗️ Architecture & Concepts

Hexagonal Architecture Clean Architecture DDD TDD Microservices REST APIs OpenTelemetry

🤖 Applied AI

LLM Orchestration RAG Pipelines OpenAI API Prompt Engineering Fine tuning Generative AI


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  1. Rocket.Chat.ReactNative Rocket.Chat.ReactNative Public

    Forked from RocketChat/Rocket.Chat.ReactNative

    Rocket.Chat mobile clients

    TypeScript

  2. mdsreq-fga-unb/REQ-2026.1-T02-TLF mdsreq-fga-unb/REQ-2026.1-T02-TLF Public

    Repositório de projeto da disciplina de REQ-T2, 2026.1

    5