Leandro Rafael Krüger Gessner
@leandro_gessner
Data Engineer
Personal Information
Badges
Certifications
Work Experience
Mid-level Data Engineer
Zup Innovation• June 2024 - February 2025• São Paulo, Brazil
Responsible for setting up storage infrastructure in AWS S3 using Terraform, developing Python and PySpark scripts, and developing Apache Airflow's DAG for data processing.
Mid-level Data Engineer
Qbem• March 2023 - May 2024
Development and maintenance of ETL and ELT pipelines using Azure, Trino, Python, DuckDB, and other technologies.
Senior Data Engineer
Lab of Codes• October 2023 - February 2024
Development and maintenance of ETL and ELT data pipelines, data environment configuration with Docker, and development of APIs.
Mid-level Data Engineer
Franq Open Banking• January 2023 - August 2023
Creation and maintenance of data pipelines in Apache NiFi and maintenance of Data Warehouse in GCP's BigQuery.
Junior Data Engineer
Hyperlocal• August 2022 - October 2022
Maintaining Python scripts for data extraction, configuring database migration tasks, and maintaining Glue scripts and Lambda functions.
Junior Python Engineer
UpFlux Process Mining• April 2022 - June 2022• Jaraguá do Sul, Santa Catarina, Brazil
Creation and maintenance of python scripts for data transformation and loading.
Integration Developer
UpFlux Process Mining• December 2020 - April 2022• Jaraguá do Sul, Santa Catarina, Brazil
Development and maintenance of ETL pipelines and SQL queries.
Junior Java Engineer
MEGi9 Soluções• April 2020 - November 2020• Jaraguá do Sul, Santa Catarina
Legacy code maintenance and refactoring.
Junior Software Engineer
Consistem• October 2019 - March 2020• Jaraguá do Sul e Região, Brasil
Legacy code maintenance and refactoring.
Education
Estácio
Data Science, BS• January 2020 - December 2023
