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Adam8eifert/README.md

Hi there, I'm Adam Seifert! 👋

Data Analyst | ETL & Automation Engineer | Python & SQL Developer

I specialize in the full data lifecycle: from building robust ETL pipelines and complex SQL analyses to machine learning predictions and automated business workflows. My goal is to turn fragmented data into strategic business assets.

🚀 Top Data Projects

🏗️ project_infinit | ETL & NLP Pipeline

  • Core: Multi-source ETL system for academic research (NRM).
  • Tech: Python, PostgreSQL/SQLite, NLP, PDF Scraping, RSS/API integration.
  • Impact: Automated the aggregation and linguistic analysis of diverse academic sources into a unified database.

📊 project_sql_wage_food | SQL Economic Analysis

  • Core: In-depth study of Czech living standards (Wages vs. Food Prices).
  • Tech: MariaDB, Complex JOINs, CTEs, Window Functions.
  • Impact: Identified key economic correlations and performed extensive data cleaning of government datasets.

🧪 car_insurance_stats | Machine Learning & Prediction

  • Core: Predictive modeling for customer conversion in the insurance sector.
  • Tech: Python, Scikit-learn, Random Forest, Imbalanced Data Handling.
  • Impact: Achieved a 22% increase in Recall, significantly reducing missed business opportunities.

🗳️ elections_scraper | Web Data Extraction

  • Core: Automated harvester for 2017 Parliamentary Election results.
  • Tech: Python, BeautifulSoup4, Requests.
  • Impact: Transformed unstructured web data from volby.cz into clean, analysis-ready CSV datasets.

📈 Analysis & Visualization

  • financial_analysis – Interactive Plotly dashboard for global sales performance and discount impact.
  • project_report (Power BI) – Business Intelligence dashboard focusing on customer demographics and retail channel efficiency.

🤖 Automation & RPA

🛠️ Tech Stack

Category Tools & Technologies
Data Science Python (Pandas, Scikit-learn, Plotly, NumPy)
Databases SQL (MariaDB, PostgreSQL, SQLite)
BI & Tools Power BI, Excel, Docker, Git, DBeaver
Automation n8n, Make.com, AI Agents (OpenAI/Anthropic)

📫 Let's Connect!

I believe that clean data and smart automation are the keys to modern business success.

Pinned Loading

  1. project_infinit project_infinit Public

    Multi-source ETL pipeline for New Religious Movements (NRM) research. Scrapes web/RSS/APIs, processes academic PDFs, and performs NLP analysis. Supports PostgreSQL & SQLite.

    Python 1

  2. project_sql_wage_food project_sql_wage_food Public

    A comprehensive data analysis project investigating the relationship between average wages and basic food prices in the Czech Republic. The study covers multiple industry branches and identifies ke…

    1

  3. car_insurance_stats car_insurance_stats Public

    Machine Learning project predicting car insurance purchases. Solved extreme class imbalance (90:10) using Random Forest, achieving a 74.77% Recall rate and providing actionable risk-based insights.

    Jupyter Notebook 1

  4. elections_scraper elections_scraper Public

    A Python-based web scraping tool designed to extract and process election results from the official Czech Statistical Office website (volby.cz). It automates the collection of data for specific ter…

    Python 1

  5. financial_analysis financial_analysis Public

    Interactive Financial Analysis Dashboard built with Python, Pandas, and Plotly. Analyzes the impact of discounts on profitability across global market segments.

    Jupyter Notebook 1

  6. project_report project_report Public

    A comprehensive Power BI dashboard analyzing sales performance, customer demographics, and distribution channel efficiency (E-shop vs. Brick-and-mortar stores). This project demonstrates data model…

    1