Summary
Overview
Work History
Education
Skills
Interests
Timeline
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Gamze Köse

Gamze Köse

Data Analyst
Istanbul,34

Summary

A dedicated and solution-oriented professional with a passion for tackling challenges through innovative thinking. Committed to continuous self-learning and personal growth.

Overview

4
4
years of professional experience
8
8
years of post-secondary education
1
1
Language

Work History

Business Technology Partner

Bayer Turkey
Istanbul, Istanbul
06.2024 - Current
  • Acting as a technical BI expert, actively contributing to the enhancement and optimization of database systems.
  • Streamlining and automating manual data workflows through the development of interactive BI dashboards;
  • Integrating diverse data sets—including sales, customer activation, and financial data—from both global and local databases into a unified BI platform, delivering a holistic view that empowers teams with actionable insights for strategic decision-making.

Tools: Snowflake - SQL Server - Tableau Desktop

BI Associate

Bilyoner
09.2023 - 06.2024
  • Working as Qlik Sense Developer to create user-friendly dashboards tailored to dynamic business requirements.
  • Administering Qlik Sense Server to optimize system performance and resource utilization, enhancing report and dashboard efficiency through advanced query optimization.
  • Leveraging advanced SQL queries to perform in-depth data analysis from an Oracle-based data warehouse, supporting data-driven decision-making.

Tools: Oracle-base DWH - Qlik Sense - Jira

CRM Analyst

Flormar
07.2022 - 09.2023
  • Collaborating on the development of targeted marketing campaigns, leveraging insights gained from comprehensive customer data analyses to enhance campaign effectiveness.
  • Designed and implemented a new customer loyalty program driven by monthly RFM segmentation, enhancing customer retention and engagement.
  • Developed an integrated data visualization framework using Power BI, enabling sales and marketing teams to access and interpret key data insights with greater ease and clarity.

Tools: SQL Server and Power BI


Business Analytics Specialist

Sodexo BRS
01.2022 - 07.2022
  • Collaborating cross-functionally with various departments to empower data-driven decision-making by delivering actionable insights derived from in-depth data analyses.
  • Serving as the organization’s data ambassador, fostering a data-centric culture and promoting the strategic use of analytics across all business units.
  • Monitoring and analyzing key business metrics—including growth, retention, and profitability—through recurring reports and dynamic BI dashboards, supporting strategic planning and performance tracking.

Tools: Qlik Sense and MS Excel

Management Trainee

Novartis
05.2021 - 01.2022

Education

Certificate - Python Programming

Python Specialization Certifcate
Istanbul, Turkey
05.2023 - 06.2023

Bachelor of Arts - Business Administration

Bogazici University
Istanbul, Turkey
09.2015 - 02.2021

Certificate - Film Studies

Bogazici University
Istanbul
09.2018 - 02.2021

Student Assistant - Computer Science

Bogazici University
Istanbul, Turkey
11.2020 - 02.2021

Skills

  • Database management and SQL proficiency

Experience with Qlik Sense, Tableau, and Power BI

  • Analytical data interpretation

Data analyses with Python and R

Proficiency in MS Office

Interests

World cinema

Marathon runner

Timeline

Business Technology Partner

Bayer Turkey
06.2024 - Current

BI Associate

Bilyoner
09.2023 - 06.2024

Certificate - Python Programming

Python Specialization Certifcate
05.2023 - 06.2023

CRM Analyst

Flormar
07.2022 - 09.2023

Business Analytics Specialist

Sodexo BRS
01.2022 - 07.2022

Management Trainee

Novartis
05.2021 - 01.2022

Student Assistant - Computer Science

Bogazici University
11.2020 - 02.2021

Certificate - Film Studies

Bogazici University
09.2018 - 02.2021

Bachelor of Arts - Business Administration

Bogazici University
09.2015 - 02.2021
Gamze KöseData Analyst