Estevão C.
Data Analyst

Skills

Airflow

Spark

Apache Hadoop

Google Bigquery

Microsoft Sql Server

Python

Postgresql

Cassandra

Microsoft Azure

Amazon Aws

Google Cloud

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Bio

Senior BI Analyst with over seven years of experience specializing in data analysis, employing tools such as Power BI, in conjunction with advanced programming skills in SQL, Python, and R to conduct descriptive, predictive, and diagnostic analyses. Demonstrates a robust understanding of business strategies, with expertise in constructing Data Warehouses (DW) and Data Marts (DM), implementing robotic process automation (RPA), and developing ETL pipelines and processes.

Data Analyst
3/1/2022 - Present

Developed proficiency in data collection, analysis, and interpretation using tools such as Python, R, and SQL. Expertise in automating reports through scripting and advanced use of Excel and Google Sheets. Identified trends and opportunities by leveraging data visualization tools, including Tableau, Power BI, and Matplotlib. Created and enhanced graphical reports to deliver actionable insights for strategic decision-making. Focused on delivering high-quality data-driven solutions to support various business functions.
Data Analyst
4/1/2021 - 2/1/2022

Developed proficiency in designing and implementing Business Intelligence (BI) solutions, encompassing the full project lifecycle from initial conception to the construction of Data Warehouses and the development of comprehensive reports and dashboards. Gained extensive technical expertise in data modeling, ETL processes, and data visualization. Utilized various BI tools and frameworks to deliver high-quality, data-driven insights. Demonstrated skills in advanced SQL, database management, and the use of BI platforms such as Tableau, Power BI, and QlikView. Engaged in collaborative environments, ensuring robust data governance and quality control.
BI Analyst
1/1/2017 - 2/1/2021

Led the development of Business Intelligence (BI) solutions from initial conception through completion, focusing on the construction of Data Warehouses and the creation of insightful reports and dashboards. Leveraged SQL Server Management Studio (SSMS) and SQL Server Integration Services (SSIS) to design and implement efficient data extraction, transformation, and loading (ETL) processes. Utilized Tableau and Power BI to develop interactive, user-friendly dashboards and reports, ensuring data accuracy and visual appeal. Applied advanced knowledge in data modeling and OLAP technologies to optimize the performance of BI systems. Consistently employed best practices in data governance and quality assurance to maintain the integrity and security of the data. Implemented version control and collaborative development through tools such as Git, fostering a seamless and productive team environment.