Data Engineer seeking roles to design scalable ETL/automation solutions with Python and AWS. I bring a background in process automation that has already generated 3% cost savings and improved data accuracy by 5%. I am focused on cross-functional collaboration to deliver precise insights and optimize workflows in fast-paced environments.
Looking for a job
Douglas Valentin
@douglasvalentin
Data engineer delivering automated ETL pipelines and actionable insights for business impact.
BrazilWhat 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
IS
Current
Data Engineer
Itaú Unibanco S.A.
May 2024 - Present (2 years 1 month)
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.
TS
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%.
DG
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%.
DG
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
Faculdade 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.
FS
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.
Tech stack
Software and tools used professionally
Availability
Looking for a job
Location
BrazilAuthorized to work in
Salary expectations
4k-7k USD
Social media
Job categories
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