Kauann Oliveira

Evolved the core dimensional model powering BI, regulatory reporting, and reverse ETL. Refactored key dbt models to cut cost and load time, and designed a domain-oriented architecture.

Led migration of ingestions to a new data platform model, cutting processing costs by over 90% (US$ 67K/year). Built data contracts framework and contributed to Data Mesh strategy.

Improved controllership team's monthly accounting close by fixing data product inconsistencies and automating investment fund data processing. Built strategic dataset for low-recovery contracts.

Designed AWS data solutions to reduce latency and optimize real-time data flows. Built ETL pipelines with Pentaho and migrated legacy systems for enterprise clients.

Led definition of data architecture and processing standards. Designed and implemented data lake and data warehouse on AWS with dimensional modeling and governance.

Built near real-time data pipelines and ETL with Pentaho. Implemented relational modeling and monitoring with Zabbix and Grafana.

Managed data lake ingestion with Airflow and processing with Azure Databricks, Spark, and Hive. Built dimensional models and OLAP cubes, and integrated APIs for analytics.

Developed Java microservices and AngularJS front end. Built ETL with Pentaho and performed relational and dimensional modeling.

Supported front-end development and technical documentation.

Developed systems with Java, PHP, JavaScript, and MySQL.

Bachelor of Science in Information Systems from SPEI, Curitiba, Brazil, from 2013 to 2016.

AWS Certified Cloud Practitioner certification.