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MCaetanoPJ/README.md

Senior Software Engineer | Financial Systems | Government Platforms | High-Availability APIs


👋 About Me

Senior Software Engineer with 10+ years of experience designing and delivering mission-critical financial systems, government platforms, and high-availability enterprise APIs.

I specialize in scalable backend architecture, distributed systems, and financial software, working across digital banking, government institutions, and enterprise environments.

My focus goes beyond coding — I design reliable systems, scalable architectures, high-performance APIs, and enterprise solutions aligned with business and public sector needs.

  • 🇧🇷 Brazil
  • 🌍 Professional English
  • 📘 Postgraduate in Software Engineering (USP)
  • 🚀 Founder of Hi Tech Desenvolvimento

🧠 Core Technologies

🔧 Backend & Architecture

C# .NET ASP.NET REST API CQRS DDD Distributed Systems Microservices


🗄️ Data & Messaging

SQL Server PostgreSQL Oracle RabbitMQ Hangfire Performance


🎨 Frontend

React JavaScript HTML CSS


⚙️ Infrastructure & DevOps

GitLab Azure DevOps CI/CD Windows Server IIS JMeter Docker Cloud


🏛️ Government Systems

Experience delivering large-scale government platforms used by millions of citizens, combining technical leadership, distributed architecture, and mission-critical system delivery.

🏥 Pernambuco Health Department

  • Led backend development team
  • Health platform for exam scheduling and citizen notifications
  • System prepared for 9 million users
  • GOV.BR integration
  • RabbitMQ and Hangfire architecture
  • Multi-database environment
  • CI/CD and infrastructure management
  • Delivered ahead of schedule

Focus: Large-scale distributed government platform


🎓 SEDUC Goiás

  • State-wide enrollment system
  • Mission-critical public platform
  • High-availability environment
  • Performance optimization

Focus: Reliability and scalability


🏠 AGEHAB Goiás

  • Technical leadership in Casa Custo Zero
  • Team coordination
  • Government platform delivery

Focus: Leadership and execution


🏦 Digital Banking

BMG Bank

  • Payroll loan financial systems
  • Enterprise backend development
  • Banking APIs
  • Financial transaction processing
  • Secure integrations

Focus: Financial enterprise APIs


🚛 Financial SaaS

Rede Frota

  • Financial SaaS development
  • CNAB 400 integration
  • RabbitMQ and Hangfire
  • Serasa integration
  • High-performance APIs

Focus: Scalable financial SaaS


🏢 Hi Tech Desenvolvimento

Founder of a software factory focused on enterprise and financial solutions.

Core Solutions

  • Financial Systems
  • AI Agents
  • Voter Management Platforms
  • Government Solutions
  • Enterprise APIs

🤝 Professional Approach

  • Scalable architecture
  • High reliability systems
  • Business-oriented engineering
  • Technical leadership
  • Delivery focus
  • Ownership and accountability

📬 Contact

LinkedIn: https://www.linkedin.com/in/marcos-caetano/

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