Technical Articles

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

All categories Arquitetura Automação Backend Carreira DevOps Eletrônica Engenharia Frontend Hardware IA Negócios Produtividade Redes

DevOps•2 min

How to reduce cloud infrastructure costs with spot instances

Learn how to eliminate cloud resource waste by shifting fault-tolerant workloads to spot instances without sacrificing performance.

DevOps•5 min

How to audit and block Kubernetes failures with Kyverno

Learn how to create manifest validation and mutation policies directly inside your Kubernetes cluster using Kyverno for automated security.

BackendArquitetura•3 min

How to protect APIs against brute force using Redis and Lua

Learn how to implement an atomic and distributed rate limiter in your APIs using Lua scripts in Redis to effectively block brute force attacks.

FrontendArquitetura•6 min

How to build modular micro-frontends with Vite and Module Federation

Learn how to decouple modern web applications using Module Federation and Vite, ensuring efficient dependency sharing across teams.

Backend•4 min

Slow database? How to speed up queries with partial indexes

Learn how partial indexes in PostgreSQL reduce storage footprint and speed up heavy queries on large datasets without wasting resources.

CarreiraEngenharia•4 min

How to structure a Y-shaped career path for engineers

Learn how to implement a Y-shaped career path in software engineering, enabling smooth transitions between technical depth and management without losing practical relevance.

AutomaçãoRedes•4 min

How to Integrate Modbus TCP Sensors with Grafana Using Node-RED

Learn step by step how to read industrial PLC data using Modbus TCP, publish via MQTT with Node-RED, and display real-time dashboards in Grafana.

HardwareRedes•3 min

How to build a quiet home NAS with ZFS and ECC memory

Learn how to design and build a low-noise, energy-efficient home NAS server using the ZFS file system, error-correcting memory, and enterprise-grade hardware.

AutomaçãoProdutividade•4 min

How to capture notes and tasks via CLI with Bash and Python

Learn how to build a zero-mouse workflow using Bash and Python scripts integrated with Markdown files to capture notes and tasks straight from your terminal.

EletrônicaHardware•5 min

How to design high-speed clock circuits without jitter in PCB

Learn essential PCB layout techniques, signal termination, and differential impedance control to eliminate jitter in fast clock designs.