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Karel Rodriguez Duran

Karel Rodriguez Duran

Data Engineer

- | Belgium

Technologies

My Portfolio Highlights

My New Course

Introduction to Python

My New Track

Data Scientist

My New Course

Introduction to Python

Data painter, using visualization to bring insights to life.

My Work

Take a look at my latest work.

DataLab

Predicting Credit Card Approvals

course

Introduction to SQL

course

Introduction to Python

DataLab

Predicting Credit Card Approvals

DataCamp Course Completion

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

Courses

Introduction to Python
Introduction to SQL
Introduction to Power BI
Intermediate SQL

My Work Experience

Where I've interned and worked during my career.

University of Camagüey, Cuba | Sep 2019 - May 2022

Assistant Professor

- Teaching Data structures and algorithms in Python and Java. - Teaching Computer Organization and Architecture. - Teaching Simulation.
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University of Camagüey, Cuba | Jan 2019 - May 2022

Data engineer

- Conducted Python-based data manipulation, calculation, hypothesis testing, and visualization with Django and specific libraries to identify operational inefficiencies in academic year communities within public universities. - Developed ETL models with Pentaho and PostgreSQL to automate data extraction from university software, reducing 80 man-hours of effort and identifying college dropouts. - Employed regression analysis on student data from university entrance exams to assess the impact of results on performance in subjects like Algebra and Mathematics. - Expertly crafted advanced SQL queries for efficient extraction of large volume datasets from diverse sources to populate a DataMart on student data for public universities.

University of Camagüey, Cuba | Apr 2017 - May 2022

Full-stack web developer

- Created an engaging website for the Center for Educational Studies at the University of Camagüey, utilizing WordPress and jQuery. - Developed a PHP-based management system with Symfony for university communities, resulting in a significant 14% reduction in first-year dropouts in the Computer Sciences program at the University of Camagüey within just one year. - Designed and implemented a comprehensive balanced scorecard for public universities, incorporating PHP, Symfony, jQuery, Pentaho, and PostgreSQL.

Company Oil and Gas - Union CubaPetróleo(CUPET), Cuba. | Sep 2008 - Dec 2012

Database Analyst

- Developed databases for fuel distribution, maintenance, accounting, and financial systems using Visual Basic .NET, SQL, and MS SQL Server. - Designed and executed intricate SQL queries to integrate data from diverse sources into the company pipeline. - Created efficient ETL processes to extract and transform large volumes of data from multiple relational databases, generating valuable insights for the company. - Devised backup strategies to ensure continuous availability of company data sources and safeguard information integrity.

My Education

Take a look at my formal education

Master of Science in Applied Computer Sciences in Applied Computer SciencesUniversity of Camagüey, Cuba | 2019
Bachelor of Science in Computer Sciences in Computer SciencesCentral University of Las Villas, Cuba | 2008

About Me

Karel Rodriguez Duran

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