Laurentino Rangel
@laurentinorangel
Data engineer and BI developer specializing in Power BI, SQL, and ETL automation.
What I'm looking for
I am a performance-driven data engineer and BI developer with a proven record architecting Data Warehouses, automating ETL pipelines, and delivering impactful visualizations. I focus on reducing operational overhead and enabling data-driven decision making across organizations.
At JaguaFrangos / Grupo BTZ I led the end-to-end design of the company's first SQL Server Data Warehouse using Talend, migrated 50+ manual reports into automated, auditable pipelines, and created curated SQL views that cut IT reporting requests by 80%.
I build scalable backend services and dynamic frontends, having worked with C#, Java (Spring Boot), Angular and React, and I champion innovation — for example, developing a real-time 3D mobile stock visualization in Power BI to replace manual warehouse audits.
Experience
Work history, roles, and key accomplishments
Data Analyst
JaguaFrangos / Grupo BTZ
Aug 2022 - Aug 2025 (3 years)
Led design and implementation of the company's first SQL Server Data Warehouse with Talend ETL, migrating 50+ manual reports to automated pipelines and reducing IT reporting requests by 80%. Built a real-time 3D Power BI stock visualization and isolated analytical workloads to improve system stability with zero impact on production.
Full Stack Developer
X-Brain
Apr 2022 - Aug 2022 (4 months)
Developed backend microservices using Java and Spring Boot and implemented ReactJS frontends for Claro, integrating RabbitMQ for asynchronous messaging and delivering features in Agile sprints.
Contributed to a global reinsurance platform for Swiss Re by implementing business logic in C# and SQL stored procedures, developing complex Angular UIs, and performing performance tuning to ensure high availability and data integrity.
Provided global technical support for high-profile clients (including Nike and Rio 2016), achieved top quality ratings, and consistently exceeded SLAs through proactive monitoring and efficient incident resolution.
Education
Degrees, certifications, and relevant coursework
Instituto Federal do Paraná
Bachelor's Degree, Software Analysis & Development
2015 - 2017
Completed a Bachelor's degree focused on software analysis and development with practical training in programming and systems design.
DATACOMP
Business Management, Business Management
2014 - 2017
Completed Business Management studies covering foundational management and business administration topics.
Cultura Inglesa
English Language Studies, English as Second Language
2005 - 2011
Studied English as a second language through multi-year coursework and language proficiency training.
Availability
Location
Authorized to work in
Job categories
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