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Gustavo SalesGS
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Gustavo Sales

@gustavosales1

Senior Data Engineer at CI&T who migrated a lakehouse to Databricks with zero downtime and cut compute costs by ~23%.

Brazil
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At CI&T, I operate and evolve a financial reconciliation flow across transactions, settlement, card schemes and banks, using Scala and Databricks. I also built an AI agent system to standardize and accelerate the team's delivery.

For a global B2B commerce platform, I helped architect a medallion lakehouse and migrate the environment from Azure Data Factory to Databricks with zero downtime. I adopted Unity Catalog and reduced compute costs by ~23% through workload-matched spot-instance job clusters and performance maintenance.

At Accenture (HBSA), I contributed to gold tables and a central KPI dashboard for a fleet monitoring program, and developed self-service BI solutions with advanced SQL. I also automated ETL flows for reports; the fleet program was followed by a ~30% reduction in fuel costs.

I created Orcastrator, an open-source Claude Code framework designed to help engineers work like a small data team. It uses a staged workflow with approval gates, specialized agents and data engineering skills.

Experience

Work history, roles, and key accomplishments

Grupo Algar logoGA

Data Analyst

Grupo Algar

Feb 2021 - May 2021 (3 months)

Developed Oracle PL/SQL queries to support critical KPIs and executive scorecards. Translated business requirements into technical data solutions.

Education

Degrees, certifications, and relevant coursework

Universidade Federal de Uberlândia logoUU

Universidade Federal de Uberlândia

Bachelor, Information Management

Bachelor of Information Management from Universidade Federal de Uberlândia.

INFNET logoIN

INFNET

Post-graduation, Big Data

Post-graduation in Big Data from INFNET.

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