Location: Cologne, Germany
Stack: SQL • Python (pandas) • Tableau / Power BI
Domain: Manufacturing & Quality analytics
- LinkedIn: sergey-kasatov
- Tableau Public: sergey.kasatov/vizzes
- Portfolio hub: github.com/sergey-kasatov/portfolio
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Phoenix Retail — KPI Dashboard (Sales, Profit & Discount)
Built a KPI dashboard with profit/discount analysis and clear business takeaways.
Repo: phoenix-retail-kpi-dashboard • Tableau: Retail KPI Dashboard — Main Dashboard -
TravelTide — Customer Segmentation & Retention (Python + SQL + Tableau)
Segmented customers with rule-based logic and ML clustering, then translated insights into retention actions.
Repo: traveltide-segmentation-retention -
Used Car Market — EDA & Data Cleaning (Python/pandas)
End-to-end EDA and a repeatable cleaning workflow to prepare data for modeling.
Repo: used-car-eda-pandas -
Vehicle Silhouette — Supervised + Unsupervised ML (scikit-learn)
Compared classification vs clustering + PCA to explain patterns in the data.
Repo: vehicle-silhouette-ml -
Predictive Maintenance — Maintenance Required Prediction (Python / scikit-learn)
Baseline model + metrics to predict maintenance need from usage/condition signals.
Repo: predictive-maintenance-ml • Dataset: Kaggle – Logistics Vehicle Maintenance History