Knowledge Base

Insights & Case Studies

Deep dives into our architectural approaches, data engineering strategies, and industry perspectives.

Data Architecture

Building Semantic Layers That Eliminate 'The Numbers Don't Match' Problem

How to design a unified metric layer that ensures every dashboard, report, and ad-hoc query across the organization produces identical results for the same business question.

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Adailton Montinegro
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Power BI

Power BI Premium Cost Optimization: A Technical Audit Framework

How to reduce Fabric capacity spend by 30-50% through systematic workspace governance, refresh scheduling, and capacity right-sizing without sacrificing performance.

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Adailton Montinegro
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Data Engineering

Data Pipeline Patterns That Actually Scale in Production

ELT vs ETL, orchestration anti-patterns, and the operational reality of maintaining pipelines that process millions of records daily without silent failures.

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Adailton Montinegro
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Data Engineering

Analytics at Scale: The PostgreSQL & ClickHouse Dichotomy

Why attempting to perform heavy OLAP analytics on a transactional PostgreSQL database is a critical architectural mistake, and how ClickHouse solves the billion-row problem.

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Adailton Montinegro
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Frontend Engineering

Why We Bet on Native Flutter for Enterprise Dashboards

Ditching the DOM: Breaking down the architectural decision to build our core user interfaces purely in Dart and Flutter instead of using traditional heavy web frameworks.

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Adailton Montinegro
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Power BI

Automating Microsoft Fabric & Power BI Governance

How programmatically orchestrating Python scripts, WorkspaceScan endpoints, and semantic model validations saves thousands of dollars in Microsoft Fabric Capacity throttling.

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Adailton Montinegro
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Software Engineering

Spec-Driven Development: How Documentation Governs Our Entire Codebase

A methodology where specifications are written before code, AI agents track diffs to auto-refactor, and every business rule is traceable through a parametric versioning system.

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Adailton Montinegro
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Data Architecture

The Architecture of Data Office as a Service

A deep technical breakdown of how we designed DOaaS to replace fragmented in-house data teams with a unified, code-first operating model—covering stack decisions, cost structures, and governance tradeoffs.

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Adailton Montinegro
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