divyanshu tiwari
the work

Projects

A few things I’ve built, explored, and brought to life.

Customer Intelligence Engine

Customer Intelligence Engine

PythonScikit-learnKMeansFastAPIDockerAWS EC2
  • Built a KMeans-based customer segmentation system that classifies customers into High-Value and Budget personas using seven behavioural features.
  • Validated segmentation using the Elbow Method and Silhouette Score to determine meaningful customer clusters.
  • Containerized the application with Docker Compose and deployed it on AWS EC2, exposing the model through a real-time API.
DemandCast

DemandCast

PythonCatBoostFastAPIDockerAWS
  • Built a production-grade bike demand forecasting pipeline using CatBoost to model demand patterns.
  • Used time-based train/test splitting and hyperparameter tuning to validate forecasting performance without temporal leakage.
  • Containerized and deployed the complete system on AWS, serving real-time predictions through a live dashboard.
Inventory Intelligence Engine

Inventory Intelligence Engine

PythonPandasMySQLPlotlyStreamlitRailway
  • Built a SQL-based ABC/Pareto classification engine identifying 93 Class A SKUs responsible for 79.7% of revenue.
  • Used the analysis to turn raw inventory data into actionable product and revenue classifications.
  • Debugged duplicate ingestion and JOIN amplification issues, restoring data accuracy across 9,001 records.
more projects

Other things I've built

A few more things I’ve explored along the way.