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Resume

This page traces my professional path — from linguistics to AI engineering.

Experience

AI Solutions Consultant → AI Engineer

Promoted
KPMG BrazilMay 2025 – Jun 2026

Designed production GenAI workflows in a highly regulated tax/compliance environment — RAG, multi-agent orchestration, traceability, auditability, and secure AI adoption. Joined as an AI solutions consultant; promoted to AI Engineer.

Built a legal/tax semantic search engine with 94% validated accuracy using agentic orchestration
Delivered 30–80% execution-time reductions across AI and automation initiatives
Trained 1,600+ professionals on responsible AI adoption across KPMG's Tax practice

Co-founder & AI Engineer

Founder
Revisa Master2023 – Present

Academic-services company where I own engineering end-to-end: a production multi-agent review platform (Python, Django, CrewAI, PostgreSQL/pgvector, Celery, Docker) with Langfuse tracing and Sentry monitoring in production.

Cut first-pass expert document analysis from ~6 hours to ~15 minutes
Built the funnels and landing pages behind ~90% monthly revenue growth in one quarter
Automated PDF diagnostic reports across 5 evaluation pillars with citation grounding

Full Stack Developer

Garden São PauloDec 2021 – Mar 2023

Built the company's digital foundation: first institutional website, CRM integrations, and operational automation for commercial and administrative processes.

Developed the company's first institutional website and digital-presence strategy
Automated quotation generation and inventory-control workflows
Customer-service automation supporting 120%+ revenue growth in the period
Education

Faculty of Technology of Praia Grande

Systems Analysis & Development

2023 – 2026

Completed with a final GPA of 8.8/10. Programming logic, data structures, databases, operating systems, and web development.

University of São Paulo

BA in Linguistics, Portuguese & French

2017 – 2022

Graduated top of cohort with a 9.2/10 GPA. Published academic article "The Critique of Reading." Awarded merit scholarship for academic exchange.

International Experience
University Lumière Lyon 2

Academic Exchange

Full academic and cultural immersion in France. Studied linguistics at native-level French proficiency.

Merit Scholarship Recipient
2022
Lyon, France
Skills

AI & Automation

Multi-Agent SystemsRPADigital Transformation

Cloud & Platforms

AzurePower AutomateCopilot Studio

Programming

Python (Django/FastAPI)JavaScript (React, Next, Node)

Data Engineering

SQL / MySQLData ModelingPandas / NumPyVisualization

DevOps

Git / GitHubDockerLinux / UbuntuAPI REST

Soft Skills

CommunicationCritical ThinkingProblem SolvingLeadership
Certifications & Publications
Course
Institution
Year
Network Technician Career Path
Cisco
2025
Generative AI: Fundamentals
University of Michigan
2025
Python Programming with OOP
Alura
2024
UX/UI: Fundamentals
USP
2022
Storytelling and Influencing
Macquarie University
2020
Peer-reviewed publication · 2026

"As arquiteturas distribuídas e integração de agentes inteligentes" — distributed architectures and intelligent-agent integration

Multi-agent systems, LLM integration and the Model Context Protocol. Revista Processando o Saber (eISSN 2179-5150), Vol. 18, n. 01 — the same architecture I operate in production.

Languages
PT
Portuguese
Native
EN
English
Fluent
FR
French
Fluent
ES
Spanish
Intermediate
Volunteering
Sep – Oct 2025

Career Mentor

Instituto Joule

Guided an early-career AI researcher in healthcare technology through KPMG's affiliated program. Conducted 3-session structured mentorship covering career planning, values mapping, and professional branding.

Mar – Dec 2019

Film Club Project Lead

ETEC de Itaquera — Itaquera State Technical School

Led a project empowering high school students to create and manage film clubs. Provided training in film curation, event organization, critical discussion facilitation, and promotional campaigns.

Mar – Dec 2018

Volunteer Portuguese Teacher

FFLCH-USP — School of Philosophy, Languages and Human Sciences, University of São Paulo

Taught Portuguese to students preparing for university entrance exams at USP's community prep course. Developed lesson plans, provided individualized guidance, and created supplementary materials.

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