Arturo Casillas Díaz

Data Analyst | Data Scientist | casillas.arturo@proton.me

About me

I'm a data-enthusiastic person with a passion for turning complex data into accessible datasets, I leverage my expertise in Python to drive meaningful business decisions. When I'm not working, you can find me exploring the latest advancements in data engineering and machine learning.

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Education

Engineer in Cybernetics and Computer Systems
Universidad La Salle

AGO 2017 - NOV 2021
ID number: 13341862

Data Engineer Associate
Datacamp

Completed AUGUST 2023
Associate Certificate

Data Analyst Associate
Datacamp

Completed MARCH 2023
Associate Certificate

Data Analysis
Google

Completed FEBRUARY 2024
Professional Certificate

Data Analyst with Python Track
Datacamp

Completed DEC 2021
Statement of Accomplishment

Data Science for Business
Datacamp

Completed JUN 2021
Statement of Accomplishment

SQL Expert
HackerRank

Completed 2024
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Experience

Data Science Analyst
DiDi

Utilized data science techniques such as identifying patterns, correlations, and predictions to drive business decisions. Developed and maintained data tables and dashboards using the company's proprietary tools, providing actionable insights to the team and stakeholders. Empowered the business with data-driven decision-making using Python, enhancing performance and business optimization.

JAN 2024 - Present

Business Analyst
Stori

Created ETL pipelines for the growth team to monitor and analyze new experiments and initiatives using DBT and Airflow. Developed and maintained data tables and dashboards, providing actionable insights to the team and stakeholders using AWS Quicksight and Redshift. Empowered the business with data-driven decision-making, enhancing experimental performance and business growth strategies.

SEP 2022 - JUL 2023

Business Intelligence Ecommerce
Walmart

Designed a sales forecast for future events using Python. Customized and maintained data tables and ETL pipelines using LookerML to meet specific business requirements. Streamlined data processing, enabling sales teams to react swiftly to market dynamics.

APR 2022 - SEP 2022

Business Intelligence Analyst
Intel

Responsible for automating reports, making visualizations suitable for interpretation and making predictions using python libraries with machine learning. Using tools like Microsoft Power BI and Excel. Using Python with libraries like Pandas, numpy and fbprophet.

JUN 2021 - APR 2021

Data Science Intern
Nielsen

Responsible for automating processes and efficiently extracting data for later use in queries. Develop programs for the cleaning and manipulation of data.

AUG 2020 - MAY 2021

Bot Developer / Web Developer (Part time)
Dr Envio

Responsable in a development and maintain of a bot that automatically fill forms in a web page using data from a get request and sending the resulting file to a database. Responsible in development and maintain the web page fixing bugs, adding new functions and deploying changes in AWS.

MAR 2021 - DEC 2021

Retail Services Intern
NIELSEN

Responsible for automating processes and presentations using tools like excel, power query and powerpoint.

FEB 2020 - SEP 2020