Hello, I'm Hakan Özger

I'm a  

Passionate about transforming data into actionable insights, I help businesses make powerful decisions based on their data. With my expertise in Looker, SQL, and analytics engineering, I assist organizations in unlocking the full potential of their data.

Hakan Özger

About Me

Hello, I'm Hakan Özger, a passionate Business Intelligence and Data Engineering specialist dedicated to helping businesses transform data into powerful insights. With years of experience in Business Intelligence, Data Engineering, and Analytics, I've specialized in designing efficient data workflows, optimizing data infrastructure, and creating self-service analytics solutions that support knowledge-based decision making.

What I Do:

Business Intelligence Solutions

Developing data-driven dashboards and reports using Looker, Tableau, and Google BigQuery.

Data Engineering & Automation

Creating efficient ETL pipelines, automating data workflows, and ensuring seamless data integration.

Cloud Data Transformation

Migrating and optimizing on-premises data for cloud environments.

SQL & Python Development

Extracting, transforming, and analyzing large datasets with optimized SQL queries and Python scripts.

Why Work With Me?

Proven Track Record:

Successfully implemented BI solutions for global businesses

Technical Excellence:

Skilled in data modeling, ETL processes, and performance tuning

Results-Oriented Approach:

Focused on delivering actionable insights to improve business performance

Reliable & Communicative:

Transparent and collaborative approach to ensure project success

My Skills

Data Engineering & ETL

SQL

90%

ETL

85%

Airflow

80%

Data Warehousing

88%

Business Intelligence & Analytics

LookML, Looker Studio

85%

Tableau

87%

Data Modeling

86%

Programming & Development

Python

82%

GitHub

80%

Personal Skills

Analytical Thinking

95%

Problem Solving

96%

Communication

90%

Teamwork

92%

My Experience

Business Intelligence Senior Specialist - Europe

01.2024 – 02.2025 Delivery Hero Tech Hub
  • Creating data workflows and data management with Airflow and Python (PyCharm)
  • Design, development, and maintenance of business intelligence solutions
  • Writing complex SQL queries to process and analyze large volumes of data
  • Data warehouse design, modeling, and data marts creation using Kimball Methods
  • Performance Optimization: Continuously monitoring and optimizing data processes
  • Creating self-service reporting environments using Looker
  • Participation in projects to transform on-premises data to Cloud environments (BigQuery)

BI & Data Engineering Consultant - Europe

03.2022 – 12.2023 Delivery Hero Tech Hub | Contract
  • Developing and maintaining ETL workflows using Airflow and Python to optimize data processing
  • Designing and managing data warehouses in Google BigQuery to provide scalable and efficient data storage
  • Creating informative dashboards and reports using Tableau and Looker
  • Using LookML to create and maintain data models for self-service analytics
  • Working with GitHub for version control and collaborative development
  • Applying Design Thinking principles to improve business intelligence solutions

Business Intelligence Technology Consultant

02.2022 – 12.2023 Kara Consultancy
  • Specializing in designing and implementing Business Intelligence solutions using Tableau, Data Warehouse, and Data Modeling
  • Developing and optimizing ETL pipelines to enhance data integration and automation
  • Providing strategic insights and analytics solutions to support data-driven decision making
  • Collaborating with clients to transform business needs into technical solutions

Data Analysis and Reporting Specialist

01.2021 – 01.2022 Pyramid Consulting
  • Designing and creating business reports using OracleBI, Excel, and PowerPoint
  • Conducting data analysis to support decision making and business strategy
  • Managing large datasets using TOAD for database querying and optimization
  • Performing financial and operational reporting to provide key business insights

Business Intelligence Analyst

04.2019 – 06.2020 BSH
  • Developing and maintaining KPIs to monitor business performance and efficiency
  • Creating informative dashboards and reports using Tableau
  • Providing decision support through data analysis and strategic insights
  • Managing team workspace resources and optimizing project workflows
  • Using JIRA for project management and collaboration

My Education

Computer Education & Educational Technology

Boğaziçi University – Faculty of Education 2012 – 2020

Computer Programming

Uludağ University 2009 – 2011

Database Programming

Ovaakça Şarık Tara Technical High School 2005 – 2009

My Portfolio

Here you can explore my work in data engineering and Tableau. I specialize in creating scalable data pipelines, ETL workflows, and data visualization solutions that transform raw data into meaningful insights.

Contact Me

Location

Nevşehir, Turkey

Email

hakan.ozger1@gmail.com

Phone

+90 536 341 84 09