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David Beltran

Trying to understand the world through data.

I am a Data Scientist and Programmer with 3+ years of experience delivering data-driven solutions. I have a strong foundation in machine learning and process automation, supported by extensive hands-on experience across real-world industry projects.

I hold a Bachelor’s in Economics and a Master’s with a focus on Computer Science. Currently, I’m working as a Data Analyst for a multinational telecom company in Munich, Germany. I’m seeking relocation to the United States; no visa sponsorship required.

Technical Skills

Projects

Predicting Invoice Payment
The following project presents a real-world example of a machine learning model developed for a multinational telecommunications company. The model’s objective is to predict whether an invoice issued to a sister company will be paid or not.
The analysis was done in Python and it includes libraries such as Numpy, Pandas, Matplotlib, Sklearn, etc.

Link to the project

Forecasting Company Revenue
The company aims to predict future revenue in order to plan budgets and allocate resources more efficiently, as well as support strategic decisions. Currently, they rely on a simple linear regression model, but they require a more advanced approach capable of accurately capturing monthly revenue patterns.
This project explores Time Series Analysis techniques to deliver more accurate and reliable revenue forecasts.

Link to the project

Automatic Email Messages
The finance department is responsible for sending a monthly outlook email to its sister organizations around the world. This communication includes a detailed financial report and personalized messages.
This process required an entire day, now, the workflow was fully automated, reducing the task to 10 minutes. The solution integrates MicroStrategy with Microsoft applications to streamline data preparation and distribution, supported by an intelligent Robotic Process Automation system built using Power Automate.

Link to the project

Certificates

Business Intelligence Power BI
Google Data Analytics
Andrew NG Machine Learning

Contact me