Architecture
Feb 15, 2026
Building Scalable Event-Driven Systems with Kafka
A deep dive into designing resilient event-driven architectures using Apache Kafka and .NET.
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👋 Welcome to my portfolio
Cristian Barbosa
Senior Full Stack Engineer
Designing scalable backend systems and event-driven architectures
10+
Years Experience
50+
Projects Delivered
100%
Client Satisfaction
.NET
Kafka
Microservices
About Me
I'm a Senior Full Stack Engineer with a passion for building scalable, maintainable systems. With extensive experience in distributed architectures and event-driven systems, I specialize in designing solutions that handle high-throughput scenarios while maintaining clean code principles.
Scalable Systems Design
Building systems that grow seamlessly with business demands
Clean Architecture
Implementing patterns that ensure maintainability and testability
Distributed Systems
Designing fault-tolerant, highly available architectures
Experience
Delivering impactful solutions across enterprise environments
Enterprise Logistics Optimization
Led the development of a comprehensive logistics platform that achieved 25-50% improvement in operational efficiency through intelligent route optimization and real-time tracking systems.
25-50%EfficiencyOptimization
25-50% Efficiency Improvement
Real-Time Kafka Distributed Systems
Architected and implemented event-driven microservices using Apache Kafka, enabling real-time data processing and seamless communication between distributed services.
Real-TimeKafkaEvents
Real-Time Processing
Secure QR Event Platform
Designed and built a secure event management platform featuring encrypted QR code validation, multi-tenant architecture, and real-time attendance tracking.
SecureQRMulti-tenant
Enhanced Security
Architecture & Expertise
Core competencies in modern software architecture
Clean Architecture
Implementing separation of concerns with dependency inversion for maintainable codebases
DDD & CQRS
Domain-Driven Design with Command Query Responsibility Segregation for complex domains
Microservices
Designing loosely coupled, independently deployable service architectures
Event-Driven Systems
Building reactive systems with Apache Kafka and message queues
Secure API Design
Implementing OAuth2, JWT, and secure communication patterns
Performance Optimization
Profiling and optimizing applications for maximum throughput
Tech Stack
Backend
.NET
C#
Node.js
Python
Frontend
Angular
MAUI
Xamarin
Databases
SQL Server
PostgreSQL
Oracle
DevOps
Docker
Kafka
Git
SonarQube
Blog
Thoughts on software architecture and development
Clean Code
Feb 10, 2026
Clean Architecture in .NET: A Practical Guide
How to implement Clean Architecture principles in .NET applications for better maintainability.
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Patterns
Feb 5, 2026
CQRS Pattern: When and How to Use It
Understanding the Command Query Responsibility Segregation pattern and its real-world applications.
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Get In Touch
Let's discuss your next project