Stelios Peithis
Associate Researcher | Machine Learning
Salary / Daily rate
Brussels, Belgium
Freelance
Skills
Languages
About me
Intro
Machine Learning researcher specializing in urban analytics and predictive modeling, currently at National Technical University of Athens. Built crash-risk prediction models analyzing 3.5M+ data points with 80% accuracy, published findings at international symposia. I deliver end-to-end ML solutions—from automated data pipelines to interactive dashboards—helping organizations extract actionable insights from complex datasets.
Work experience
Associate Researcher
National Technical University of Athens
Sep 2024 - Present
2 years 2 months
Athens, Greece
– Built and bench-marked XGBoost and Random Forest classifiers to predict crash risk at 450+ urban intersections, addressed severe class imbalance with SMOTE, achieving 80% accuracy – Engineered a Python data pipeline integrating heterogeneous sources, 3.5M+ GPS telematics data points and government crash records, mapping unsafe driving events across the city of Athens via the OpenStreetMap API (Pandas, GeoPandas, OSMnx, Folium) – Automated data retrieval of traffic data using scheduler and set up a MySQL database – Communicated findings to government agencies and private partners through written reports and interactive Tableau dashboards – First-author publication & presentation at the International Symposium "Navigating the Future of Traffic Management,” Athens, July 2025
Non-Commissioned Officer
Hellenic Air Force (HAF)
Nov 2022 - Nov 2023
1 year 1 month
Student Intern
BNP Paribas Fortis
Jun 2018 - Jul 2018
2 months
Brussels, Belgium
Education
Ionios General High School
High School Diploma
Maastricht University
Computer Science, Computer Science
2025 - 2026
11 months
National Technical University of Athens
Master of Engineering - MEng, Civil Engineering
2016 - 2022
6 years 3 months
Licenses & certifications
BIM Fundamentals for Engineers
Issued: –
BIM Application for Engineers
Issued: –