Tarık Dilek
Overview
7
7
years of professional experience
Work history
Senior Data Analyst
Trendyol
Istanbul
2024.11 - Current
- Optimized discount scenarios from a DS model for thousands of products by applying business constraints (efficiency & badge limits) to generate recommended discount lists for pilot tests.
- Built Looker dashboards and brand reports with comprehensive, detailed breakdowns to serve as the daily performance tracking reference for category, planning and site management teams.
- Developed a statistical content scoring framework (Z-scores based on smoothed CTR/CR) to evaluate homepage widgets and guide layout optimization.
Business Analytics Associate
Property Finder
Istanbul
2023.05 - 2023.12
- Coordinated bi-weekly check-ins with product managers to review OKR progress and outcomes, providing actionable insights that influenced the direction of B2C product initiatives.
- Created a consumer dashboard that visualized key metrics, facilitating easier access to data for Product Management; the tool then utilized by 10+ PMs and leaders.
- Presented findings periodically to leaders of the organisation with a compelling storyline using Tableau.
Data Analyst
Hepsiburada
Istanbul
2021.02 - 2023.05
- Implemented advanced data querying techniques using BigQuery, which enabled rapid analysis and reporting on large datasets.
- Developed advanced dashboards with Apache Superset & Looker Studio, allowing cross-departmental teams to access KPIs; increased data-driven decision-making across departments.
- Engaged with product owners to interpret market trends and product usage analytics, resulting in the refinement of user interfaces.
Junior Data Scientist
ING
Istanbul
2019.08 - 2021.02
- Coordinated efforts between business units and IT teams to translate business requirements into relevant solutions, ensuring alignment on the project launches within the established timeline.
- Automated the generation of regular reports using Python and SQL, resulting in time savings, allowing to explore deeper insights.
- Enhanced data storytelling capabilities by implementing Python libraries like matplotlib, seaborn, folium, wordcloud & bokeh; improved stakeholder engagement through intuitive charts.
RPA Developer (Part Time)
ING
Istanbul
2019.02 - 2019.05
- Developed a series of automated workflows that integrated with existing platforms using Automation Anywhere and Python, automating repetitive tasks and enabling the business teams to focus on high-value projects.
Education
Master of Science - Data Science
Ozyegin University
Istanbul, TurkeyBachelor of Science - Civil Engineering
Bogazici University
Istanbul2019-07
Skills
Data Visualization
- Tableau
- Looker Studio
- Looker
- Apache Superset
Tools and Frameworks
- Agentic Coding (Claude Code, Cursor)
- SQL
- Python
- Big Query
- Hadoop
- Snowflake
- Apache Hive
- Google Analytics
- Microsoft Azure ML Studio
- Automation Anywhere
LANGUAGES
Turkish
Native language
English
Master or proficient
C2
Awards
Data & Analytics Challenge'19
Secured 3rd place overall by researching and implementing suitable ML algorithms in two online projects; demonstrated outstanding abilities to achieve 1st place in the accompanying case study evaluation.
Timeline
Senior Data Analyst
Trendyol
2024.11 - Current
Business Analytics Associate
Property Finder
2023.05 - 2023.12
Data Analyst
Hepsiburada
2021.02 - 2023.05
Junior Data Scientist
ING
2019.08 - 2021.02
RPA Developer (Part Time)
ING
2019.02 - 2019.05
Master of Science - Data Science
Ozyegin University
Bachelor of Science - Civil Engineering
Bogazici University