Sina Firoozian

Built end-to-end ML/DS/CV pipelines for multiple projects (NYC taxi demand forecasting, Airbnb price prediction, image classification, vehicle detection) and deployment via Streamlit; led end-to-end ELT + ML workflow and implemented retrieval-based LLM explainability.

Freelancer at Freelancer (Independent Contractor)

Data Science, ML and Computer Vision projects including NYC Taxi Demand Forecasting (Apache Spark/Databricks), Airbnb Price Prediction (XGBoost), Image Classification (CNN/MobileNetV2), Vehicle Detection (YOLOv8), OpenCV Distance Tool, and Multi-Image Angle Tool. Focus on end-to-end pipelines, reproducibility, and deployment via Streamlit.

Data Science Engineer at Toos Masir — Iron Ore Mine

Developed a Predictive Maintenance workflow using telemetry data, early-failure labeling, feature engineering with 3h/6h windows, and a Random Forest model to predict machinery failures.

Supervisor at Parsa Gostar — Building Construction

Overseeing construction projects, coordinating resources, schedules, and safety to ensure project deliverables.

Supervisor at Farouj Village Head Office — Construction Projects

Supervision of multiple construction projects, ensuring quality and timely completion.