Marcio Cunha

Technical Articles

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

All categoriesArquiteturaAutomaçãoBackendCarreiraDevOpsEletrônicaEngenhariaFrontendHardwareIANegóciosProdutividadeRedes
HardwareArquitetura•4 min

Building High-Density Storage Servers with HBA Controllers in IT Mode and ZFS

Learn how to engineer massive capacity storage servers using host bus adapters in IT mode and the ZFS file system to ensure absolute data integrity and performance.

ArquiteturaEngenharia•4 min

Aspect-Oriented Programming in Critical Systems: Code Instrumentation Without Coupling

Learn how Aspect-Oriented Programming separates business rules from logs and metrics in critical systems, eliminating code coupling.

DevOpsArquitetura•4 min

Secret and Credential Management in Continuous Deployment Cycles with Vault and External Secrets Operator

Learn how to secure your cloud applications using HashiCorp Vault alongside the External Secrets Operator. Ensure safe continuous deployments without exposing sensitive data in source code.

ArquiteturaBackend•4 min

Multi-Tenant Architectures: Rigid Data Isolation and Dynamic Sharding

Learn how to design scalable multi-tenant systems combining strict corporate data isolation and dynamic sharding to ensure high performance without bottlenecks.

BackendArquitetura•6 min

Building Asynchronous Payment Systems with Exactly-Once Guarantees and Outbox Pattern in Go

Learn how to design resilient payment architectures in Go using the Outbox pattern to ensure financial transactions are never lost or duplicated across unstable networks.

BackendArquitetura•4 min

Resilient Microservices Architecture with Exponential Backoff and Shared Circuit Breakers

Learn how to build highly fault-tolerant distributed systems using smart retry strategies and shared network protection mechanisms.

BackendArquitetura•5 min

Query Optimization and Execution Plans with Partial and Hash Indexes in Relational Databases

Learn how partial and hash-based indexes transform execution plans and accelerate complex queries in relational databases.

ArquiteturaDevOps•2 min

Distributed Observability Architecture: Logs and Metrics in Hybrid Environments

Learn how to build a robust observability architecture to unify logs and infrastructure metrics between on-premises servers and public cloud environments, overcoming operational silos.

BackendArquitetura•5 min

Designing Fault Tolerant Systems with Hierarchical Circuit Breakers and Graceful Degradation

Learn how to build highly resilient architectures by combining cascading flow breakers with graceful degradation strategies to keep systems operational during partial failures.

FrontendArquitetura•5 min

DOM Virtualization and Rendering Optimization for High-Frequency Graphics Using WebGL and Web Workers

Learn how to combine WebGL hardware-accelerated graphics with Web Workers parallel processing to render thousands of data points per second without freezing the UI.