Douglas Valentin
@douglasvalentin
Data engineer delivering automated ETL pipelines and actionable insights for business impact.
ZimbabweWhat I'm looking for
I am a results-driven data engineer who designs and implements ETL processes, automation, and IT governance across banking, telecom, and marketing sectors.
I have led projects that increased operational efficiency by 15% and automated core financial ETL processes to reduce manual effort by 10%. I engineered over 30 SnapLogic pipelines, automated delivery for 50+ LATAM teams, and delivered dashboards that generated cost savings and improved data accuracy.
I apply clean-code principles, version control, Agile and SRE practices to build maintainable solutions and partner with stakeholders to align data work with business goals. I bring hands-on expertise with Python, AWS, Power BI, and automation platforms to turn data into actionable insights.
Experience
Work history, roles, and key accomplishments
Data Engineer
Itaú Unibanco S.A.
May 2024 - Present (1 year 3 months)
Led data transformation projects that increased operational efficiency by 15% in key business units and developed data automation feeding daily routines across multiple business processes.
Data Engineer
Telefônica Brasil S.A.
Mar 2023 - May 2024 (1 year 2 months)
Automated core financial and accounting ETL processes with Python, reducing manual effort by 10%, and designed real-time financial dashboards that delivered 3% cost savings and improved data accuracy by 5%.
Data Engineer
Dentsu Group
Jan 2022 - Apr 2023 (1 year 3 months)
Engineered over 30 ETL pipelines via SnapLogic to integrate APIs, JSON, and SQL sources, and automated data delivery for 50+ LATAM teams, improving accessibility by 20% and reducing errors by 10%.
Governance Analyst
Dentsu Group
Jun 2019 - Jan 2022 (2 years 7 months)
Optimized IT asset procurement workflows, reducing processing time by 10% and associated costs by 5%, and partnered with finance to improve budget accuracy and compliance by 3%.
Education
Degrees, certifications, and relevant coursework
FPFaculdade de Informática e Administração Paulista
Systems Analysis and Development
Completed the Systems Analysis and Development program at Faculdade de Informática e Administração Paulista, graduating in 2023.
Faculdade Paulista de Pesquisa e Ensino Superior
Bachelor of Business Administration, Business Administration
Earned a Bachelor of Business Administration from Faculdade Paulista de Pesquisa e Ensino Superior, completed in 2018.
Availability
Location
ZimbabweAuthorized to work in
BrazilSalary expectations
Job categories
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