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I'm a data-driven BI engineer with expertise in data modelling, visualization, and analytics automation across finance, marketing, and operations. I excel in SQL, Power BI, Python, Excel, and Azure, designing ETL pipelines and self-service dashboards that deliver actionable insights. I thrive on data storytelling and cross-functional collaboration, supporting agile analytics sprints and data-driven decision-making. I partner with stakeholders to translate complex data into clear KPIs and insights, turning raw data into accessible reports that support strategic decisions and revenue growth.…I'm a data-driven BI engineer with expertise in data modelling, visualization, and analytics automation across finance, marketing, and operations. I excel in SQL, Power BI, Python, Excel, and Azure, designing ETL pipelines and self-service dashboards that deliver actionable insights. I thrive on data storytelling and cross-functional collaboration, supporting agile analytics sprints and data-driven decision-making. I partner with stakeholders to translate complex data into clear KPIs and insights, turning raw data into accessible reports that support strategic decisions and revenue growth.

BAHAR DIONMEZ

Data Analyst, Data Visualizer, Data Scientist, +1

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I'm a data-driven BI engineer with expertise in data modelling, visualization, and analytics automation across finance, marketing, and operations. I excel in SQL, Power BI, Python, Excel, and Azure, designing ETL pipelines and self-service dashboards that deliver actionable insights. I thrive on data storytelling and cross-functional collaboration, supporting agile analytics sprints and data-driven decision-making. I partner with stakeholders to translate complex data into clear KPIs and insights, turning raw data into accessible reports that support strategic decisions and revenue growth.…I'm a data-driven BI engineer with expertise in data modelling, visualization, and analytics automation across finance, marketing, and operations. I excel in SQL, Power BI, Python, Excel, and Azure, designing ETL pipelines and self-service dashboards that deliver actionable insights. I thrive on data storytelling and cross-functional collaboration, supporting agile analytics sprints and data-driven decision-making. I partner with stakeholders to translate complex data into clear KPIs and insights, turning raw data into accessible reports that support strategic decisions and revenue growth.

Available to hire

I’m a data-driven BI engineer with expertise in data modelling, visualization, and analytics automation across finance, marketing, and operations. I excel in SQL, Power BI, Python, Excel, and Azure, designing ETL pipelines and self-service dashboards that deliver actionable insights. I thrive on data storytelling and cross-functional collaboration, supporting agile analytics sprints and data-driven decision-making.

I partner with stakeholders to translate complex data into clear KPIs and insights, turning raw data into accessible reports that support strategic decisions and revenue growth.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Turkish

Fluent

German

Advanced

Work Experience

Data Analytics Working Student - Sales Steering at ALLIANZ

March 1, 2025 - November 4, 2025

Designed and governed an ETL pipeline transforming Salesforce and financial datasets for real-time impact tracking, improving data accuracy and control. Developed Power BI and MicroStrategy dashboards for KPI monitoring across product and marketing initiatives, ensuring alignment with business and revenue objectives. Partnered with senior stakeholders to define and track KPIs, enabling data-driven strategic decisions.

Data Analytics Working Student at BMW

February 1, 2025 - February 1, 2025

Automated data ingestion and ETL pipelines across SQL/NoSQL databases using Python, PySpark, and Azure Systems, ensuring integrity and traceability. Designed and implemented data pipelines in Azure Synapse to support cross-functional reporting and continuous control monitoring. Delivered interactive dashboards using Azure Data Explorer (KQL) to track operational KPIs and production performance. Built interactive dashboards and Plotly visualizations to analyze production and performance metrics, communicating insights through visual storytelling and business presentations. Improved process monitoring and data integration, reducing manual checks and enhancing analytics scalability.

Business Intelligence Engineer – Retail Finance at AMAZON

October 1, 2023 - October 1, 2023

Led data control and revenue reporting initiatives across e-commerce finance and marketing campaigns. Built 10+ interactive BI dashboards (QuickSight, Excel) to track financial KPIs, enabling cross-channel performance analysis and automated reporting. Conducted SQL/ETL workshops for 100+ EMEA employees to strengthen data accuracy and governance culture. Partnered with Finance and Product teams to align metrics with revenue recognition and operational controls.

Business Intelligence Engineer Intern at AMAZON

June 1, 2023 - June 1, 2023

Standardized 5 ETL processes using SQL and Redshift, reducing manual financial reporting by 50%. Enabled 200+ team members to analyze data independently, saving 40+ monthly work hours.