Denilson Pereira de Freitas
Denilson Pereira de Freitas

Senior Data Engineer

Actively looking · Member since 18 Jul 2025
Message
Location
Brazil
Desired salary
from 20 USD/hourly
Work preference
Full Time
Experience level
Not set

About

Professional summary

I am a professional with 10 years of experience in Data Engineering, specializing in cloud data. I have worked across Agribusiness, Retail, and Media sectors, and I am fluent in English with AWS and Snowflake certifications. My expertise lies in developing and optimizing over 200 ETL/ELT pipelines across AWS, GCP, and Azure, with a strong focus on performance and scalability. I have proven results in automating critical processes, reducing execution time by up to 80%, and optimizing ML/DS pipelines by over 50%. I possess advanced experience with Python, SQL, Spark, Kafka, Airflow, Snowflake, BigQuery, and CI/CD practices such as GitHub Actions and Terraform. Additionally, I have strong skills in observability using Datadog, data governance (LGPD), and technical mentoring, which fosters maturity in DataOps and MLOps.

Skills

16 capabilities

Experience

Career history

Data Engineer Cargill

Optimized data pipeline performance for climatology workflows, developed and maintained ETL/ELT pipelines, automated deployment workflows, designed serverless pipelines, implemented observability, enhanced performance of analytical queries, improved reliability of pipelines, led development of hybrid ETLs, supported Data Science teams, mentored interns and team members.

Data Engineer Pl Americanas SA

Developed ETL/ELT pipelines in a multi-cloud environment, modernized forecasting process, reduced execution time of data science pipelines, created and managed Docker images, integrated massive data into Snowflake and Redshift.

Data Engineer Grup RBS

Reduced execution time of legacy analytical reports, developed ETL/ELT pipelines for data ingestion, migrated and optimized queries from Oracle to BigQuery, managed and optimized processing of large data volumes.

Business Intelligence Consultant Granplast Industrial

Civil Engineer Maccaferi do Brasil

Education

Learning history

USP/ESALQ

MBA in Data Science & Analytics

Federal University of Pernambuco

Bachelor in Civil Engineering

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