Luz Oliveira
@luzoliveira
I build ETL pipelines and enterprise data integrations using SQL, Groovy, Java, and Python.
BrazilWhat I'm looking for
At Betha Sistemas, I build and maintain customized ETL extensions for enterprise systems, streamlining data extraction, transformation, validation, migration, and batch workflows.
I use Groovy, SQL, Java, RESTful APIs, XML, and JSON to connect disparate systems, enforce business rules, and investigate data inconsistencies. I've supported the full lifecycle of enterprise extensions, from analysis and implementation through testing, deployment, and troubleshooting.
Alongside my Software Engineering degree, I developed an AI platform for ECA Digital compliance using RAG, the OpenAI API, Node.js, Express, and PostgreSQL/Supabase.
Experience
Work history, roles, and key accomplishments
Engineered and maintained highly customized ETL oriented extensions for enterprise systems, streamlining data extraction, transformation, processing, and validation workflows. Architected data processing solutions utilizing Groovy and advanced SQL, ensuring strict adherence to complex business rules and system specific requirements.
Collaborated in the development and lifecycle maintenance of enterprise system extensions, prioritizing high quality data processing and treatment. Implemented efficient data processing routines and business logic utilizing Groovy, Java, and SQL. Executed comprehensive data validation procedures, successfully identifying and mitigating inconsistencies during the testing and deployment phases.
Assisted in the foundational development and maintenance of customized extensions for large scale
enterprise systems.
Supported data manipulation, cleansing, and validation tasks using Java and Groovy, ensuring high data
integrity.
Participated in the end to end analysis, implementation, and testing stages of software extensions under
senior supervision.
Education
Degrees, certifications, and relevant coursework
Universidade SATC
Bachelor of Science, Software Engineering
2022 -
Pursuing a Bachelor's Degree in Software Engineering, expected to graduate in 2026.
Tech stack
Software and tools used professionally
Availability
Location
BrazilAuthorized to work in
Job categories
Skills
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