Leonardo Ferreira
Data Scientist & Full-Stack Developer - Consultant Freelancer
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolLeonardo Ferreira is a Data Scientist and Full-Stack Developer with eight years of experience building data products and ML platforms for finance, e-commerce, healthcare and other industries from São Paulo. A former accountant turned self-taught engineer, he combines strong domain knowledge in financial reporting and forecasting with hands-on skills in Python, JS, Spark, deep learning and production APIs. He is a Kaggle Kernels Grandmaster and four-time competition medalist who has ranked as high as 12th among 180k participants, demonstrating practical expertise in fraud detection, churn, demand forecasting and NLP. As founder and chief data scientist at trich.ai and an active Upwork consultant, he focuses on turning complex datasets into profitable business outcomes via feature engineering, scalable models and interactive visualizations. Notably, his portfolio and 40+ public Kaggle notebooks serve as reproducible, production-ready examples of model engineering and deployment rather than just research experiments.
8 years of coding experience
1 year of employment as a software developer
Deep Learning NanoDegree, Artificial Intelligence, Deep Learning NanoDegree, Artificial Intelligence at UdacityBachelor's degree, Accounting sciences, Bachelor's degree, Accounting sciences at Universidade Cruzeiro do SulData Scientist with Python Track / Data Engineering With Python Track, Data Science / Data Engineering / Data Software Engineering, Data Scientist with Python Track / Data Engineering With Python Track, Data Science / Data Engineering / Data Software Engineering at Datacamp, LLC
English, Spanish, Portuguese, Esperanto
Stackoverflow
743reputation
52kreached
19answers
21questions
Github Skills (101)
flask10
plotly10
jupyter10
finance10
bioinformatics10
modeling10
mantine9
statistics9
julia9
data-visualization9
plotly-dash9
charting9
python9
memory-mapped-file9
no-javascript9
Programming languages (6)
Github contributions (5)
kaburelabs/bbb-twitter-monitor
Mar 2020 - Jun 2020
Social Media Analysis
Contributions:73 commits, 7 pushes in 3 months
pythonnlp-machine-learningplotly-dashtwitter-apisocial-media
romanonatacha/trich-portfolio
Jun 2020 - Jan 2022
Built with Plotly | Dash
Contributions:13 commits, 19 pushes in 1 year 7 months
dashplotly-dashplotlydata-visualizationdashboard
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.