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Brayan Leal

Brayan Leal

Freelancer

Universidad Nacional de Colombia

Technologies

My Portfolio Highlights

My New Track

Associate Data Scientist

My New Track

Associate Data Scientist

Data whisperer, decoding the language of numbers with finesse.

My Work

Take a look at my latest work.

track

Associate Data Scientist

course

Supervised Learning with scikit-learn

Python
course

Machine Learning with Tree-Based Models in Python

Python
track

Associate Data Scientist

My Certifications

These are the industry credentials that I’ve earned.

Other Certificates

Coursera Google Data Analytics Specialization

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 Python

My Work Experience

Where I've interned and worked during my career.

Yoummday | Dec 2024 - Present

B2C Tech and Customer Support (Texas Instruments EdTech)

Manage quarterly reporting processes by merging, cleaning, and organizing data from multiple sources to ensure accuracy and consistency across operational reports. Automate and format Excel reports to improve efficiency and enhance visibility of key performance metrics for internal teams. Support back-office operations by maintaining data accuracy, validating ticket information, and ensuring correct categorization and documentation. Collaborate with cross-functional teams to analyze recurring issues, identify patterns, and provide actionable insights that support product and process improvement. Test new software updates and features, document findings, and report detailed feedback to technical leads to support data-driven product enhancements. Recognized as a high-performing contributor and selected for specialized product training based on performance and growth potential.
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My Education

Take a look at my formal education

Bachelor’s Degree in Mechanical engineering Universidad Nacional de Colombia | 2024

About Me

Brayan Leal

Mechanical Engineer from Universidad Nacional de Colombia with strong foundations in design, modelling, and CFD. Certified in data science (Google, DataCamp), skilled in Python, SQL, Power BI. Bilingual in English and Spanish; learning German.

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