Marcio Cunha

Technical Articles

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

All categoriesArquiteturaAutomaçãoBackendCarreiraDevOpsEletrônicaEngenhariaFrontendHardwareIANegóciosProdutividadeRedes
FrontendArquitetura•5 min

Resilient Single Page Application Architecture with State Machines and XState

Learn how to build robust web interfaces using finite state machines. XState eliminates complex flow bugs in Single Page Applications through deterministic UI control.

BackendArquitetura•5 min

High Performance GraphQL API Development with Dataloaders and Distributed Rate Limiting

Learn how to build fast and secure GraphQL APIs using Dataloaders to eliminate duplicate database queries and distributed rate limiting strategies.

BackendArquitetura•5 min

Resilient ETL Pipelines with Apache Kafka, Flink and Stateful Processing

Learn how to build resilient data architectures by combining the fault-tolerant storage of Apache Kafka with real-time stateful processing in Apache Flink.

DevOpsArquitetura•4 min

Platform Engineering with Backstage: Building Developer Portals for Microservices Governance

Learn how platform engineering and Backstage help tame microservices complexity, reduce developer friction, and centralize technical governance.

ArquiteturaBackend•4 min

Distributed Vector Database Architectures for Billion Scale Semantic Search

Learn how to architect distributed vector databases for high-performance semantic search handling billions of records. We analyze partitioning strategies, consistency trade-offs, and cluster topologies for large-scale artificial intelligence systems.

BackendArquitetura•5 min

Building High-Performance HTTP Servers in C++20 with io_uring

Learn how to build extremely fast HTTP servers using C++20 and modern Linux io_uring for non-blocking asynchronous I/O processing.

BackendArquitetura•5 min

High-Frequency Financial Transaction Processing with Event Sourcing and CQRS in Elixir

Learn how to build robust, lightning-fast financial systems by combining Elixir, Event Sourcing, and CQRS to guarantee consistency and auditability.

DevOpsArquitetura•5 min

Distributed Observability Architecture with OpenTelemetry, Prometheus and Grafana Mimir

Learn how to build a highly scalable observability pipeline using OpenTelemetry for standardized collection, Prometheus for monitoring, and Grafana Mimir for long-term metrics storage.

NegóciosArquitetura•4 min

Technical Debt Management from a Business Perspective: When and How to Refactor

Discover how to align code refactoring with company financial goals. Understand the real impact of technical debt on cash flow and learn when to invest in structural improvements.

BackendArquitetura•5 min

Distributed Cache Strategies with Redis Cluster and Event-Driven Invalidation

Learn how to keep data consistent in high-scale systems using Redis Cluster and event-driven invalidation. Prevent stale reads without sacrificing performance.