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  • Deutschland
  • 16:32 (UTC +02:00)

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SiamakGoudarzi/README.md

Hi there, I'm Siamak 👋

Profile

Business & Data Analyst with strong experience in requirements engineering, process optimization, and CRM/ERP systems.
Skilled in Python/R analytics, ETL workflows, SQL-based data engineering, and statistical modeling.
Background in academic research, including financial data mining, portfolio optimization, and cloud-based CRM architectures.

Core Skills

Business & CRM

  • Digital Transformation & E‑Government Systems
  • BPMN, Requirements Engineering
  • Process Optimization & Automation
  • Agile (Scrum/Kanban), Project Management
  • CRM/ERP Systems (Salesforce, Dynamics)

Data Analysis & Statistics

(Hands‑on & Academic Projects)

  • Python (Pandas, NumPy, Scikit‑Learn, Matplotlib, Seaborn, Plotly)
  • R (ANOVA, Regression, Hypothesis Testing, DoE)
  • Statistical Reporting (RMarkdown, LaTeX)
  • Google Analytics 4, Search Console

Data Engineering & Databases

(Hands‑on projects)

  • SQL Server (T‑SQL), MySQL
  • ETL with Python (Pandas, PyODBC)
  • Data Warehousing, Star Schema, Snowflake, SCD
  • JSON Processing & Data Migration

Selected Projects

🛒 E‑Commerce Customer Intelligence & Churn Prediction

RFM segmentation (K‑Means), churn prediction (Random Forest), and an interactive Streamlit dashboard.
🔗 Project: E‑Commerce Customer Insights Dashboard

☕ Specialty Café CRM Database (SQL)

Full CRM database with loyalty program, RBAC, inventory triggers.
🔗 Project: SpecialtyCafe‑CRM‑Database

📊 Statistical Analysis Portfolio (R)

ANOVA, regression, business analytics, power analysis — 8 complete statistical projects.
🔗 Project: Statistical Analysis Portfolio (R)

🏬 Retail Data Engineering (End‑to‑End)

ETL pipelines, SCD, RFM analysis, SQL Server DWH.
🔗 Project: Retail Data Engineering End‑to‑End

🔄 SQL JSON Migration Tool

Parsing nested JSON into normalized relational tables.
🔗 Project: SQL JSON Migration Tool

🚚 FMCG Distribution – ERP Selection Framework

A 7‑Layer Methodology for Enterprise Software Evaluation (Originally developed 13 years ago), based on field research across 80 distribution companies and real operational insights.
🔗 Project: FMCG Distribution – ERP Selection Framework

Research & Academic Publications

📘 Hybrid Portfolio Optimization (GA + TOPSIS)

Multi-objective optimization using Genetic Algorithms and hybrid clustering (SOM + K‑means).
🔗 Project: Hybrid Portfolio Optimization (GA)

📈 Stock Clustering in Tehran Stock Exchange (TSE)

Financial data mining using SOM + K‑means; 7 optimal clusters identified.
🔗 Project: Portfolio Optimization (TSE)

☁️ CRM as a Service (CRMaaS)

Cloud-based CRM architecture for the insurance industry.
🔗 Project: CRMaaS Cloud Insurance

Education

M.Sc. in IT (E‑Commerce) — recognized in Germany

Contact

📧 siamak.goudarzi@gmx.de
🔗 https://github.com/SiamakGoudarzi

Pinned Loading

  1. ecommerce-customer-insights-dashboard ecommerce-customer-insights-dashboard Public

    A comprehensive E-commerce intelligence system for Customer Segmentation (RFM) and Churn Prediction using Machine Learning.

    Jupyter Notebook

  2. Retail-Data-Engineering-EndToEnd Retail-Data-Engineering-EndToEnd Public

    End-to-End Retail BI Solution: Automated ETL pipeline transforming raw transaction data into a Star Schema Data Warehouse using SQL Server, Python, and SCD Type 2 logic.

    Python

  3. E-commerce-Customer-Behavior-Analysis E-commerce-Customer-Behavior-Analysis Public

    E-commerce customer behavior analysis & churn prediction using Python (OOP). Features an end-to-end data pipeline: cleaning, advanced EDA, and a scikit-learn Machine Learning workflow.

    Python

  4. Research-Portfolio Research-Portfolio Public

    Academic Research Portfolio: Hybrid Portfolio Optimization (GA, TOPSIS, SOM) & Cloud-based CRM Systems. Research on Tehran Stock Exchange (TSE) and Insurance FinTech.

  5. Statistical-Analysis-Portfolio-R-Language- Statistical-Analysis-Portfolio-R-Language- Public

    Applied statistical analysis and data modeling in R, focused on Quality Engineering, Design of Experiments (DoE), and process optimization across industrial and business sectors.

  6. SpecialtyCafe-CRM-Database SpecialtyCafe-CRM-Database Public

    Premium CRM & SQL Database implementation for a specialty café, featuring automated inventory, dynamic loyalty programs, and employee KPI tracking.

    TSQL