Guilherme Santos
@guilhermesantos
Data Engineer and Data Scientist with experience at large-scale companies, specialized in turning data into competitive advantage.
What I'm looking for
Data Engineer and Data Scientist specialized in turning data into competitive advantage. With over a decade of experience in data and business intelligence, I develop analytical solutions that bridge strategy and execution, driving direct impact on productivity and operational efficiency.
Experience
Work history, roles, and key accomplishments
Management of data mesh environment, ensuring governance, scalability and availability. Advanced data modeling with SQL (BigQuery) and Python to support commercial performance analysis, competitiveness opportunity identification, and strategic commercial planning for the 1P business.
Developed AI agent-powered automated workflows to enhance productivity across business teams.
Developed data products working closely w/commercial teams, translating business needs into technically scalable solutions. Led data engineering initiatives on GCP/BigQuery environment, encompassing dataset development, query optimization, data quality, end-to-end ETL pipelines. Building dashboards in Tableau to eliminate manual effort and ensure continuous availability of up-to-date insights
Senior BI Developer
Assaí
Apr 2021 - Dec 2021 (8 months)
Data & Analytics focal point for Legal and Fraud Prevention, partnering closely with business teams on requirements gathering and process mapping.
Modeled data structures and developed ETL/ELT pipelines (Service Now data, Databricks), built dashboards and reports (Power BI).
Acted closely with IT and business stakeholders in the planning and implementation of Data Products.
Senior Data Analyst
Via Varejo
Jul 2019 - Apr 2021 (1 year 9 months)
Responsible for business intelligence solutions in the Internal Ombudsman area. Data modelling, KPIs analysis and construction of dashboards (Power BI) for fraud prevention, loss prevention and compliance teams. Hands-on data pipelines with Databricks and Apache Spark.
CX Data Analyst
GPA
Nov 2017 - Aug 2019 (1 year 9 months)
Responsible for creating dashboards and support reports for the Marketing and CX departments, as well as providing insights for regional managers of physical store brands (Pão de Açúcar, Extra, Assaí, and CompreBem), e-commerce platforms (PDA Delivery and Delivery Extra), and group directorates. Analysis of indicators and qualitative reports to enable agility in action plans and decision-making.
Social Media Analyst
GPA
Apr 2013 - Sep 2017 (4 years 5 months)
Monitored official brand pages across social media platforms, identifying reputational risks and engagement opportunities. Managed digital crisis situations, handling customer escalations and safeguarding brand integrity.
Tagged and categorized audience interactions to support sentiment analysis, delivering strategic insights for decision-making. Brand performance reports to leadership committees
Customer Success Assistant
GPA
Jan 2013 - May 2013 (4 months)
Customer service for loyalty programs.
Education
Degrees, certifications, and relevant coursework
Universidade Anhembi Morumbi
MBA, Strategic Business Management
2021 - 2022
Completed an MBA in Strategic Business Management from August 2021 to December 2022.
Universidade Cruzeiro do Sul
Associate Degree, Information Technology
2019 - 2021
Earned an Associate Degree in Information Technology from July 2019 to June 2021.
ESALQ (University of São Paulo)
MBA, Data Science, Artificial Intelligence and Analytics
2026 -
Pursuing an MBA in Data Science, Artificial Intelligence, and Analytics starting in April 2026.
Centro Universitario FIEO
Bachelor's Degree, Marketing
2011 - 2014
Completed a Bachelor's Degree in Marketing from January 2011 to December 2014.
Tech stack
Software and tools used professionally
Apache Spark
Tableau
Looker
Data Studio
Microsoft Azure
Google Cloud Platform
Google Cloud Storage
GitHub
NumPy
Pandas
PySpark
Google BigQuery Data Transf...
MySQL
Gmail
Databricks
Python
Datadog
AWS Lambda
Airflow
Compiled
Google BigQuery
Microsoft Power BI
SQL
LangChain
Cursor
GitHub Copilot
N8N
Agentic
LangGraph
Bridge
Claude Code
Jan
Availability
Location
Authorized to work in
Salary expectations
Social media
Job categories
Skills
Interested in hiring Guilherme?
You can contact Guilherme and 90k+ other talented remote workers on Himalayas.
Message GuilhermeFind your dream job
Sign up now and join over 250,000+ remote workers who receive personalized job alerts, curated job matches, and more for free!
