My name is Carlo Lepelaars and I’m doing all sorts of things.

Artificial Intelligence, Machine Learning, Data Science, Drums and Investing.

Freelance Machine Learning Engineer: carlo.ai

Data Science Competitions: Kaggle

University Student: Data Science

Game Playing AI: Serpentine AI

Freelance Drummer: C-Music

Freelance Machine Learning Engineer

Doing freelance work in Machine Learning and Data Science.

Currently working on:
– Computer vision projects for AI consultancy company VBTI
– Technical writing for Weight & Biases.
– Applying Machine Learning to financial trading and investing.

Keywords: Artificial Intelligence, Machine Learning, Data Science, Computer Vision, Natural Language Processing, Predictive Modeling, Time-Series Forecasting. 

Kaggle Competitor

You can find me on Kaggle competing in Data Science competitions and sharing ideas related to data science. 









I work as a freelance drummer under the name of C-Music. My experience includes several (Cover)bands and projects with performances on large Dutch festivals like Zwarte Cross, Paaspop and Festyland, among others.

C-Music Videos


Years of Experience


Shows Played


Projects Done


signals, numerai, introduction, nmr

Numerai Signals Blog post

I just released a new blog post on getting started with Numerai Signals using stocknewsapi.com and a sentiment analysis model (FinBERT). Blog post link here Accompanying code link here This[…]

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Transformer, Attention is all you need

Transformer Deep Dive blog post

“If you want to learn something well, explain it.” – Richard Feynman Over the Christmas break I wrote a deep dive about the fundamental building block of so many awesome[…]

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GradCAM, Artificial Intelligence, AI, XAI, Elephant, Keras, Tensorflow

Discussing Explainable AI with Jönköping University professor Beril Sirmacek

The past weeks I have had the honor to talk about Explainable AI (XAI) with Beril Sirmacek for a course she teaches at Jönköping University in Sweden. We talk about[…]

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