Technical Articles

Refactoring Legacy Object-Oriented Systems to Hexagonal Architecture with Mutation Testing

Learn how to rescue coupled legacy codebases using hexagonal architecture to isolate business rules, ensuring software robustness through mutation testing.

FinOps Aplicado: Redução de Custos de Nuvem com Spot Instances e Failover

Disaster Recovery Architecture for Distributed NoSQL Databases with Multi-Master Replication

Learn how to engineer resilience in NoSQL systems using multi-master replication. Understand consistency challenges and how to mitigate catastrophic failures.

Offline-First UI State Synchronization with IndexedDB and Deterministic Conflict Resolution

Learn how to build resilient interfaces that work without internet using browser IndexedDB and deterministic mathematical strategies to resolve data conflicts seamlessly.

V8 Engine Memory Consumption Optimization through Garbage Collection Strategies in Node.js

Discover how the V8 engine manages memory in Node.js applications, learn to identify leaks, and understand practical Garbage Collection strategies to keep systems scalable and efficient.

Message Bus Architecture with Apache Pulsar for Tenant Isolation in Multi-Client Environments

Learn how to build a message bus architecture using Apache Pulsar to ensure strict tenant isolation in multi-tenant environments. Understand routing concepts, security, and data retention.

Server Components and Streaming SSR Architecture in React 19: Performance Optimization and Selective Hydration

Discover how React 19 transforms web engineering with Server Components and Streaming SSR, solving classic hydration and Core Web Vitals bottlenecks in large-scale applications.

Distributed Observability Architecture with Adaptive Sampling and SLOs

Learn how to build an efficient distributed observability architecture in high-scale microservices, tackling log costs and network saturation with adaptive sampling and data-driven SLOs.

PostgreSQL at Scale: Optimizing Write and Read Concurrency in Node.js

Learn how to architect Node.js applications and PostgreSQL databases to handle high concurrency smoothly. Master practical strategies for table partitioning, partial indexing, and lock management.

Cloud Storage Cost Optimization: Lifecycle Policies and Automated Tiering

Learn how to reduce cloud storage expenses through automated lifecycle policies and data tiering. Understand how to move data across storage classes to optimize financial efficiency without sacrificing accessibility.