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saadabdullah-15/README.md

👋 Hi, I'm Saad

Master’s student in Data Science at the University of Potsdam, Germany with a strong interest in Data Engineering, Analytics Engineering, and BI / Analytics.

I build projects around SQL, Python, data warehousing, ETL/ELT, and analytics-ready datasets, with a focus on creating reliable data workflows for reporting, analysis, and downstream use.

About Me

  • Focused on Data Engineering as my primary career direction
  • Building hands-on projects in data pipelines, data modeling, and analytics engineering
  • Interested in cloud-based data architectures, workflow automation, and data quality
  • Continuously strengthening practical skills in SQL, Python, and modern data workflows

🚀 Featured Projects

SQL Data Warehouse & Analytics

Production-style SQL Server data warehouse project built using the Medallion Architecture (Bronze → Silver → Gold).
Covers data ingestion, transformation, modeling, and quality checks to support analytics and reporting workflows.

E-commerce Order Review Workflow Modeling & Decision Engine

Portfolio project simulating a fintech-style e-commerce / BNPL order review workflow using business rules, validation logic, risk scoring, reason codes, and decision routing.
Models how incoming orders are evaluated and assigned final outcomes such as APPROVE, REVIEW, REJECT, or INVALID.

🧰 Tech Stack

Languages
SQL, Python, Bash

Data & Analytics
SQL Server, Data Warehousing, ETL/ELT, Data Modeling, Power BI

Engineering & Tools
Git, Docker, Jupyter, Flask

Cloud & Modern Data Stack
AWS, Azure, dbt, Airflow, Spark

Current Focus

  • Building stronger data engineering foundations through practical projects
  • Expanding experience in cloud-based data workflows
  • Developing portfolio work in data pipelines, analytics engineering, and BI

Connect

💬 Open to data-focused opportunities, collaborations, and project work in Data Engineering, Analytics Engineering, and BI / Analytics.

Pinned Loading

  1. sql-data-warehouse-analytics sql-data-warehouse-analytics Public

    A modern SQL Server medallion data warehouse built for hands-on practice, featuring bundled datasets, reusable ETL pipelines, curated gold-layer views, and built-in data quality checks for learning…

    TSQL

  2. ecommerce-order-review-decision-engine ecommerce-order-review-decision-engine Public

    Portfolio project simulating a fintech-style e-commerce / BNPL order review workflow using business rules, risk scoring, reason codes, and decision routing.

    Python

  3. fraud-risk-workflow-portfolio fraud-risk-workflow-portfolio Public

    Python portfolio project for fintech risk operations: interpretable fraud screening workflow with rule-based decisions, risk scoring, and business-focused evaluation.

    Python

  4. air-quality-monitoring-etl air-quality-monitoring-etl Public

    Air Quality Monitoring ETL pipeline to extract and analyze PM2.5 sensor data from the OpenAQ API using Python and Google Colab, with CSV export and interactive visualizations.

    Jupyter Notebook

  5. mental-health-eda-prediction mental-health-eda-prediction Public

    This project explores a dataset related to mental health, focusing on performing exploratory data analysis (EDA) and building predictive models. The goal is to uncover insights into mental health f…

    Jupyter Notebook