Apostolos Karagkiozakis

Data Analyst Intern

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Thessaloniki, Greece

Experience

Jul 2025 - Oct 2025
4 months

Data Analyst Intern

Lancom Ltd

  • Used Docker Desktop to run and manage containers.
  • Applied Apache Airflow for automation and orchestration of ETL workflows.
  • Built ETL pipelines using Python and SQL.
  • Worked with MySQL databases, MySQL Server, and Google BigQuery for data storage and querying.
  • Created interactive dashboards in Looker Studio for data visualization and reporting.
  • Designed and implemented an end-to-end data project, leveraging MariaDB, Python pipelines, BigQuery, and Looker Studio to track and analyze historical and current business performance.
Jul 2024 - Apr 2025
10 months

Accounting Assistant

Figura Aesthetics

  • Reviewed and recorded past employee payments for tax audit purposes and collected and organized banking data.
  • Entered invoices using company software, ensuring accuracy and compliance with accounting procedures.
  • Systematically stored information to provide timely and reliable reports.

Summary

I am a recent Economics graduate from the University of Macedonia. During my studies, I developed a strong interest in data analytics and gained hands-on experience using tools such as SQL, Python, and Excel for reporting and data analysis. In addition, I completed my internship as a Data Analyst, where I worked on extracting, transforming, and visualizing data to support business insights and decision-making. I am detail-oriented, passionate about working with data, and eager to contribute to a professional analytics team in a dynamic corporate environment.

Skills

  • Sql (Mysql, Mariadb, Google Bigquery)
  • Python (Pandas, Etl Pipelines)
  • Apache Airflow (Workflow Orchestration & Automation)
  • Docker Desktop (Containerization)
  • Looker Studio (Data Visualization & Dashboards)
  • Excel (Data Analysis & Reporting)
  • Etl Design & Implementation
  • Database Management & Querying
  • Data Transformation & Cleaning
  • Analytical Thinking
  • Problem Solving
  • Attention To Detail

Languages

English
Advanced
Greek
Intermediate

Education

Oct 2021 - Jul 2025

University of Macedonia

Bachelor in Economics · Economics · Thessaloniki, Greece

Certifications & licenses

Data Science with Python

National and Kapodistrian University of Athens

Microsoft 365+ for Finance

Vena Academy

Data Analysis

Udemy

Corporate Finance and Law

University of Pireaus

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