Marcio Cunha

Technical Articles

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

All categoriesArquiteturaAutomaçãoBackendCarreiraDevOpsEletrônicaEngenhariaFrontendHardwareIANegóciosProdutividadeRedes
BackendArquitetura•4 min

Optimization of Analytical Queries in Large Scale Columnar Databases

Learn how columnar databases store and process terabytes of data to deliver instant answers for business analytics. Master practical strategies for partitioning, sorting, and projections.

BackendArquitetura•4 min

Economic Viability Analysis in Adopting Serverless Structures versus Dedicated Servers

Discover how to calculate the real cost between serverless architectures and dedicated servers to avoid financial cloud surprises. Evaluate scale trade-offs, hidden infrastructure costs, and budgetary predictability.

DevOpsArquitetura•4 min

Security Policy Enforcement in Kubernetes with Custom Admission Controllers

Learn how to prevent critical vulnerabilities in Kubernetes clusters using custom admission controllers. Ensure compliance, block insecure images, and automate security governance across your infrastructure.

ArquiteturaDevOps•4 min

Designing Region-Failure-Resilient Service Topologies in Public Clouds

Learn how to design software architectures capable of surviving the total outage of a public cloud region. Discover practical strategies to keep your systems operational with data replication and intelligent routing.

FrontendArquitetura•3 min

Web Application Architecture with Resilient Hydration and Context Isolation in Web Components

Learn how to build resilient web applications combining Web Components and server-side rendering. Explore strategies to prevent state loss during hydration and ensure context isolation.

BackendArquitetura•6 min

Implementing Shared Memory Message Queues for High Frequency Microservices

Learn how to build message queues using shared memory to accelerate communication between high-frequency microservices. Drastically reduce network latency and eliminate bottlenecks in critical systems.

DevOpsArquitetura•4 min

CI/CD Pipelines with GitHub Actions, Docker and Zero-Downtime

Learn how to build an efficient continuous delivery pipeline using GitHub Actions, layered Docker packaging, and seamless zero-downtime update strategies.

DevOpsArquitetura•4 min

Secrets and Token Management in Self-Hosted Environments: Argon2id, Rotation, and Best Practices

Learn how to safeguard your self-hosted infrastructure against credential leaks by combining secure hashing algorithms like Argon2id, rigorous key rotation routines, and strict personal access token control.

BackendArquitetura•4 min

PostgreSQL Indexing and Partitioning Strategies for High Scale

Learn how to structure large-scale relational databases in PostgreSQL using efficient partitioning strategies and smart indexes to maintain performance under heavy concurrency.

BackendArquitetura•4 min

Event-Driven Architecture: Choosing Between Kafka, RabbitMQ, and Redis Streams

Discover how to select the right asynchronous messaging technology for enterprise systems. We analyze the practical trade-offs between Apache Kafka, RabbitMQ, and Redis Streams at scale.