Marcio Cunha

Technical Articles

Practical articles, in-depth tutorials, and architectural insights on software engineering, AI, and systems.

All categoriesArquiteturaAutomaçãoBackendCarreiraDevOpsEletrônicaEngenhariaFrontendHardwareIANegóciosProdutividadeRedes
FrontendArquitetura•4 min

Global Reactive State Management in Web Applications without Heavy Frameworks

Learn how to build a high-performance global reactive state architecture using only modern JavaScript, eliminating the bloat of external libraries.

IAArquitetura•4 min

Optimization of Function Calling AI Agents for Hallucination Reduction

Learn how to build robust workflows using function calling in language models to eliminate fabricated responses and ensure reliable data in production.

BackendArquitetura•4 min

Messaging Systems Architecture with Apache Pulsar for Strict Topic Isolation and Multi-Tenancy

Learn how to structure enterprise message queues and streaming channels using Apache Pulsar to ensure rigid team isolation, cost control, and advanced security in shared environments.

BackendArquitetura•4 min

Building Polyglot Persistence Layers with Distributed Transaction Isolation via Saga Pattern

Learn how to structure heterogeneous databases while maintaining business consistency without global locks. This article analyzes the Saga pattern for orchestrating distributed transactions in microservices.

ArquiteturaNegócios•4 min

Aligning Software Architecture with Business Objectives Using Wardley Mapping

Discover how Wardley Mapping connects technical software decisions directly to your company's strategic priorities, eliminating the disconnect between engineering and business.

FrontendArquitetura•4 min

Rendering Performance Optimization in Progressive Web Apps with Lazy Hydration Techniques

Discover how delayed hydration transforms Progressive Web App performance by prioritizing core interface interactivity without overloading the browser.

BackendArquitetura•5 min

Resilient Microservices Architecture with Adaptive Circuit Breaker and Token-Based Rate Limiting

Learn how to build highly resilient distributed systems using adaptive circuit breaker algorithms and token-based rate limiting, ensuring stability under heavy production loads.

BackendArquitetura•5 min

Development of Asynchronous Data Access Layers in Python with Asyncio and SQLAlchemy Core

Learn how to structure high-performance persistence layers in Python using asynchronous programming with Asyncio combined with the flexibility of SQLAlchemy Core.

BackendArquitetura•5 min

Architecture Transition Strategies from Distributed Monoliths to Event-Driven Core Banking

Explore practical challenges, decoupling strategies, and messaging patterns to transform legacy systems into a resilient event-driven architecture within the financial sector.

DevOpsArquitetura•4 min

Multi-Cloud Infrastructure Cost Governance with Automated OPA and Terraform Policies

Learn how to control spending across multiple clouds using Open Policy Agent and Terraform to block expensive resources before provisioning, ensuring financial efficiency and automated compliance.