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Case studies · 2024–2026

Selected work.

Production systems and adoption programs with validated metrics — built for environments where errors are expensive. Three of them, up close.

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01
engineering

Revisa Express

A six-hour expert review, delivered in fifteen minutes — in production, every day.

80% Less Analysis TimePythonDjangoCrewAIPostgres
02
engineering

Document Analysis Automation

50,000 documents read in six hours for an $8B dispute.

50,000 Docs in 6 HoursCopilot StudioPower AutomateAI BuilderPython
03
engineering

KBSE: Knowledge Base Search Engine

Legal answers that cite their sources — 94% validated accuracy.

94% Answer AccuracyPythonCrewAIRAGAzure

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Building GenAI where reliability matters? Let's talk.

leonardo@leonardosa.pro

Madrid, Spain · from August 2026 · English / French / Portuguese / Spanish

© 2026 Leonardo Costa de Sá