Blog & Articles

Sharing knowledge about data, architecture, and engineering

Jan 20265 min

JARVIS — Building a Brazilian AI Personal Assistant from Scratch

How I built a complete AI personal assistant from scratch — persistent memory, multi-model support (GPT, Claude, Gemini) and WhatsApp integration. From idea to production.

AI ProductLLMsProduct Development

BI & Analytics

Aug 20254 min

Using Dataflows for Cost Reduction and Governance

How I leverage Microsoft Dataflows to centralize queries, reduce costs on Databricks/Snowflake, and enable governance.

Power BIDataflowsGovernance

Data Engineering

Aug 20253 min

Performance Optimization: From 8 Hours to 6 Minutes

How I reduced a Power BI Dataflow load time from 8 hours to just 6 minutes.

AWS GlueAthenaPerformance

Data Architecture

Jul 20255 min

How a Data Crisis Became an Architecture Journey

A consulting case where data divergence caused trust issues. The solution: a complete Data Lake redesign.

Data LakeMulticloudArchitecture