william motta waltrick
@williammottawaltrick
I build reliable Databricks Lakehouse pipelines, governed analytics datasets, and business-ready BI solutions.
BrazilWhat I'm looking for
At CI&T, I support global Azure and Databricks environments, monitoring and improving Delta Lake workloads, PySpark pipelines, governance, and operational reliability for business-critical data solutions.
Previously at A3Data and Staf Sistemas, I built ETL/ELT processes, Lakehouse layers, SQL datasets, and Power BI and Qlik dashboards. I bring hands-on experience modernizing data platforms across Azure and AWS, from ingestion and orchestration to data quality, access control, and reporting.
Experience
Work history, roles, and key accomplishments
Support and enhance cloud-based data and analytics solutions, ensuring data availability, reliability, and operational stability across business-critical environments. Monitor and troubleshoot Databricks workloads, including notebooks, jobs, data pipelines, and analytical datasets built on Delta Lake.
Data Analyst Senior
A3Data
Nov 2023 - Jun 2025 (1 year 7 months)
Supported and maintained cloud-based data platforms, ensuring data availability, consistency, and reliability for business and analytical consumption. Developed, monitored, and troubleshot data pipelines within Data Lake and Data Lakehouse architectures following Bronze, Silver, and Gold layer standards.
Data analysis to identify strategic insights. Analysis of tax credits and recovery of improperly paid taxes.
Tax Planning & Control Intern
Votorantim Cimentos
Jan 2019 - Oct 2019 (9 months)
Data analysis to identify strategic insights. Development of ETL processes to normalize data.
Education
Degrees, certifications, and relevant coursework
Centro Universitário Integrado
Postgraduate Degree, Data Science and Big Data
2024 - 2025
Postgraduate degree in Data Science and Big Data, focusing on advanced data analytics and big data technologies.
Universidade Positivo
Bachelor's Degree, Business Administration
2017 - 2021
Bachelor's degree in Business Administration, providing a strong foundation in business principles and management.
Tech stack
Software and tools used professionally
Availability
Location
BrazilAuthorized to work in
Salary expectations
Job categories
Skills
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