Marcio Cunha

Technical Articles

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

All categoriesArquiteturaAutomaçãoBackendCarreiraDevOpsEletrônicaEngenhariaFrontendHardwareIANegóciosProdutividadeRedes
BackendArquitetura•4 min

Standardizing Consumer-Driven Contract Testing with Pact and AsyncAPI Schema Verification

Learn how to ensure the stability of event-driven systems using microservice contract tests and strict schema validation during the integration phase.

BackendArquitetura•4 min

Long-Running Transaction Management with Outbox Pattern and Debezium

Learn how to coordinate distributed transactions and ensure reliable event delivery using the Outbox pattern and Debezium for change data capture in modern systems.

BackendArquitetura•5 min

Eventual Consistency Management and Conflict Resolution with CRDTs

Learn how conflict-free replicated data types ensure seamless data synchronization in distributed systems without network locks, overcoming traditional consistency limits.

IABackend•4 min

Vector Synchronization and HNSW Index Optimization in High-Volatility Vector Databases

Learn how to maintain data consistency and optimize HNSW indexes in vector databases subjected to high rates of insertion, update, and deletion.

BackendArquitetura•4 min

Polyglot Persistence and Distributed Transactions with Choreography Based Saga Pattern

Learn how to coordinate heterogeneous databases in microservices using the choreography-based Saga pattern, ensuring eventual consistency without single points of failure.

BackendArquitetura•4 min

Cloud Cost Financial Modeling for High-Demand and Seasonal Traffic Peaks

Learn how to forecast and control cloud infrastructure expenses during unpredictable traffic surges. Financial strategies to prevent invoice surprises.

EngenhariaBackend•6 min

Semantic Coupling Metrics and Static Analysis in Software Refactoring

Discover how semantic coupling metrics combined with static analysis turn code refactoring into a predictive and automated process.

BackendArquitetura•6 min

Hybrid Rendering Architecture with Server-Sent Events and Partial DOM Updates

Learn how to build dynamic web interfaces using Server-Sent Events and targeted DOM updates, escaping the complexity of heavy frontend frameworks.

BackendArquitetura•5 min

Real-Time Event Processing with Apache Flink and RocksDB State Management

Learn how to build scalable real-time data streaming architectures using Apache Flink for distributed processing and RocksDB for robust, fault-tolerant state management.

IABackend•4 min

Autonomous Agent Orchestration with LangGraph and Contextual Vector Retrieval

Learn how to build resilient architectures for autonomous artificial intelligence systems using directed graph workflows and semantic searches over knowledge bases.