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Leonardo Chalhoub

Leonardo Chalhoub

Data Engineer

NTT DATA, Inc. | Brazil

Technologies

My Portfolio Highlights

My New Track

Associate Data Scientist in R (previously Data Scientist with R)

My New Course

Introduction to Python

My New Track

Associate Data Scientist in R (previously Data Scientist with R)

Data evangelist, spreading the gospel of data-driven decision-making.

My Work

Take a look at my latest work.

course

Understanding Data Science

course

Introduction to R

course

Introduction to Python

course

Understanding Data Science

My Certifications

These are the industry credentials that I’ve earned.

Other Certificates

ETS Toefl Test Scored 96/120

CFA Institute Investment Foundations Certificate

Microsoft AZ-900: Azure Fundamentals

Microsoft DP-900: Azure Data Fundamentals

Microsoft DP-100: Azure Data Scientist Associate

Microsoft SC-900: Security, Compliance, and Identity Fundamentals

Microsoft AI-900: Azure AI Fundamentals

SCRUMstudy - Accreditation Body for Scrum and Agile Scrum Fundamentals Certified (SFC)

Oracle Oracle Cloud Infrastructure (OCI) Foundations 2021 Associate

Microsoft PL-900: Power Platform Fundamentals

Microsoft DP-203: Azure Data Engineer Associate

Microsoft MB-910: Dynamics 365 Fundamentals (CRM)

Microsoft AZ-104: Azure Administrator Associate

Microsoft MB-920: Dynamics 365 Fundamentals (ERP)

Microsoft AZ-305: Azure Solutions Architect Expert

Microsoft MS-700: Teams Administrator Associate

Google Cloud Platform Cloud Digital Leader

Databricks Academy Accreditation - Databricks Lakehouse Fundamentals

Microsoft AZ-400: DevOps Engineer Expert

Microsoft Microsoft Certified Trainer (MCT) 2022-2023

Microsoft SC-100: Cybersecurity Architect Expert

Databricks Academy Accreditation - Platform Administrator

Microsoft AZ-500: Azure Security Engineer Associate

Microsoft DP-300: Azure Database Administrator Associate

Databricks Databricks Certified Data Engineer Associate

Microsoft SC-200: Security Operations Analyst Associate

Microsoft PL-300: Power BI Data Analyst Associate

ServiceNow Certified System Administrator

Microsoft DP-500: Azure Enterprise Data Analyst Associate

Google Cloud Platform Associate Cloud Engineer

Google Cloud Platform Professional Data Engineer

Microsoft AZ-204: Azure Developer Associate

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

Courses

Introduction to Python
Introduction to R
Understanding Data Science
Intermediate Python

My Work Experience

Where I've interned and worked during my career.

NORDICA | Mar 2023 - May 2023

Data Engineer

Big Data engineering in Azure Databricks for a global pharmaceutical company located in Rio de Janeiro / Brazil using Spark SQL and PySpark in a Lakehouse environment. My daily routine involved heavy use of SQL queries through bronze, silver and gold layers, controlling for data quality in all steps.
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Minsait | Jan 2022 - Feb 2023

Data Engineer / Architect

- Created and implemented an architectural design and ETL pipelines in Microsoft Azure for the ingestion of batch big data from an Oracle Cloud SQL server to a Data Lakehouse using Azure Data Factory, Azure Databricks with a multi-hop architecture (bronze, silver and gold) in Delta format, Azure DevOps and CI/CD for the Release Pipelines, serving tables and views for the teams to use in Power BI for an Energy company from São Paulo, Brazil. - Involved with Data Management and Governance analysis and improvements as tech lead and architect following DAMA-DMBOK2, supervising a small team responsible for ELT pipelines working in a SQL on-premises server with SSIS packages, Data Warehousing and Power BI for an Energy company from Rio de Janeiro, Brazil. - As a data scientist, I ellaborated and maintained predictive models using Python, R and Docker exploring many Machine Leaning like Random Forests and XGBoost for a Logistics multinational from Mexico. - Contributed to presales assessments and technical interviews to support hiring processes from the HR.

FINOR - Data Science for Finance and Digital Economy | Feb 2021 - Dec 2021

Consultand and Data Scientist

I helped two multinational companies with solutions like algorithms on R to resolve complex problems that were being dealt with on Excel; manipulating data in R to generate a powerful Power BI report; data research and web scraping with Python, budgets, Monte Carlo simulations, EDA & Machine Learning, Data Visualization and Executive Reports generated through programming.

Freelance | Jan 2011 - Feb 2021

Consultant & Data Scientist / Analyst

I offered services to great people and companies for 10 year in Ciudad del Este, Paraguay through programming, statistics & Machine Learning, finance and human relationships. Due to coronacrisis, home office started and I was able to serve others independently of their geographical locations.

My Education

Take a look at my formal education

MBA in Data EngineeringUFRJ - Universidade Federal do Rio de Janeiro | 2023
Update (60h) in R & Machine LearningUSP - Universidade de São Paulo | 2021
Master's Degree in Finance & Applied Machine LearningUFRGS - Universidade Federal do Rio Grande do Sul | 2015
Bachelor's Degree in ManagementUNIOESTE - Universidade Estadual do Oeste do Paraná | 2011

About Me

Leonardo Chalhoub

I am a 38 year old brazilian father, a seasoned tech and data professional. I wish to be involved in teams with high level big data engineering and cloud solutions architecture. I am fluent in spanish, english and portuguese.

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