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Leonardo Colacio Nicolau

@leonardocolacionicol

Data Engineer at Genux Consult, automating ERP workflows and building document extraction models reused across automation workflows.

Brazil

Message

At Genux Consult Tecnologia da Informação LTDA, I build document classification and extraction models in Microsoft AI Builder for reuse across automation workflows. I also automate invoice and sales-order issuance in a legacy ERP without an API, using RPA in Power Automate Desktop.

At Tragial Indústria e Comércio de Peças LTDA, I modeled supplier lead times and automated purchase suggestions, cutting purchase-order creation and validation from up to three days to a few hours. I also administered the Microsoft SQL Server behind TOTVS Protheus and delivered Power BI dashboards used daily by the purchasing team.

Experience

Work history, roles, and key accomplishments

Current

Automation & Integration Developer

Current

Genux Consult Tecnologia da Informação LTDA

May 2025 - Present (1 year 5 months)

Builds document classification and extraction models in Microsoft AI Builder and automates invoice and sales-order issuance in a legacy ERP through RPA. Gathers requirements and models databases for a construction approval system.

Microsoft AI Builder Power Automate Desktop Robotic Process Automation Database Modeling Requirements Gathering

BI & Database Developer

Tragial Indústria e Comércio de Peças LTDA

Aug 2024 - May 2025 (9 months)

Administered Microsoft SQL Server for TOTVS Protheus ERP and wrote T-SQL queries for reports. Modeled supplier lead times and automated purchase suggestions, reducing purchase-order cycle from three days to a few hours.

Microsoft SQL Server T SQL TOTVS Protheus Power BI Data Modeling Automation

Education

Degrees, certifications, and relevant coursework

Faculdade de Tecnologia de Bauru (FATEC)

Technologist Degree, Database Technology

Activities and societies: Capstone: Database Security, with three SQL injection case studies in OWASP Mutillidae II, source-code review, and mitigation through parameterized queries and least privilege.

Completed a Technologist Degree in Database Technology in July 2026, covering algorithms, data structures, object-oriented programming, relational modeling, and normalization.