Technical Articles

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

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Coupled code? How to apply SOLID principles in practice

Learn how to refactor tightly coupled monolithic modules by applying dependency inversion and single responsibility principles in everyday code.

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Backend•4 min

Microservices freezing? How to use the Orchestrated Saga

Learn how to solve distributed transaction chaos in microservices using the Orchestrated Saga pattern to ensure consistency and resilience.

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Backend•5 min

Legacy system frozen? How to migrate to microservices safely

Learn how to apply the Strangler Fig pattern to safely decompose mission-critical legacy systems by replacing modules gradually without shutting down.

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BackendArquitetura•4 min

How to learn system design with the system-design-primer

Discover how the donnemartin/system-design-primer repository became the global reference guide for designing scalable systems and passing technical interviews.

IAArquitetura•2 min

Gemini Decisions API: What changes in decision automation?

We analyze Google's new Gemini Decisions API against OpenAI and Jev solutions for AI-driven business decision automation.

IAArquitetura•2 min

How to orchestrate complex AI subagents with LangGraph

Learn how to architect robust multi-agent systems using LangGraph, focusing on shared state management and efficient function calling routing.

IAArquitetura•3 min

Stop RAG Hallucinations: How to Use the MCP Protocol

Tired of imprecise AI agent answers? Learn how the Model Context Protocol (MCP) standardizes data access to effectively eliminate hallucinations in RAG.

IAArquitetura•5 min

How to connect local AI to personal documents with RAG

Learn the practical architecture to connect local language models to your personal documents privately, using embeddings, vector indexing, and hallucination mitigation.

IAArquitetura•2 min

Hallucinations in RAG? How to use Self-RAG to validate answers

Tired of overly creative LLM responses? Self-RAG introduces a critical self-evaluation loop that filters out irrelevant data before delivering the final answer.

ArquiteturaEngenharia•3 min

Confidential Computing: How to protect data in the cloud

Learn how Confidential Computing shields your data during processing, ensuring total privacy in the cloud without compromising performance.

IAArquitetura•3 min

Why data lineage in AI agents is critical for banks

Discover how data lineage prevents AI hallucinations and ensures regulatory compliance in autonomous agents within banking systems.

BackendArquitetura•3 min

How to Use Webhooks for Real-Time System Integration

Learn the fundamentals of event-driven architecture via HTTP callbacks, the asynchronous producer-consumer flow, and basic security strategies using HMAC signatures.

BackendArquitetura•5 min

Duplicate charges again? How to implement idempotency in architecture

Learn how to design resilient distributed systems for asynchronous messaging with RabbitMQ and Kafka, preventing duplicate charges and resolving concurrency conflicts.