Sina Firoozian

Available to hire

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate

Language

Persian
Fluent
English
Fluent
Portuguese
Beginner

Work Experience

Freelancer at Freelancer (Independent Contractor)
January 1, 2020 - Present
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
February 1, 2018 - December 31, 2019
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
July 1, 2016 - December 31, 2017
Overseeing construction projects, coordinating resources, schedules, and safety to ensure project deliverables.
Supervisor at Farouj Village Head Office — Construction Projects
May 1, 2013 - March 31, 2016
Supervision of multiple construction projects, ensuring quality and timely completion.
Teaching Assistant at University
February 1, 2012 - July 31, 2012
Assisted students with exercises and basic coding tasks in Steel Structure and Python courses.
Freelancer | Data Science, Machine Learning and Computer Vision Projects
January 1, 2020 - Present
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.

Education

Master of Science in Sustainable Built Environment at University of Minho, Azurem Campus, Guimaraes, Portugal
January 11, 2030 - January 1, 2025
Bachelor of Science in Civil Engineering at Azad University of Bojnourd, Iran
January 11, 2030 - January 1, 2013
Master of Science in Sustainable Built Environment at University of Minho, Azurém Campus
January 11, 2030 - January 1, 2025
Bachelor of Science in Civil Engineering at Azad University of Bojnourd, Iran
January 11, 2030 - January 1, 2013

Qualifications

Python A-Z: Python for Data Science with Real Exercises (Udemy)
January 11, 2030 - January 13, 2026
Python for Data Science and Machine Learning Bootcamp (Udemy)
January 11, 2030 - January 13, 2026
Data Science A-Z: Hands-On Exercises (Udemy)
January 11, 2030 - January 13, 2026
Python A-Z: Python for Data Science with Real Exercises
January 11, 2030 - January 13, 2026
Python for Data Science and Machine Learning Bootcamp
January 11, 2030 - January 13, 2026
Data Science A-Z: Hands-On Exercises
January 11, 2030 - January 13, 2026

Industry Experience

Software & Internet, Professional Services, Media & Entertainment, Education, Other, Manufacturing