Volkan Demir
Development
Nijmegen, Netherlands
Skills
Data Analysis
About
Volkan Demir's skills align with Database Specialists (Information and Communication Technology). Volkan Demir has 9 years of work experience.
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Work Experience
Software Developer
June 2015 - Present
BI Consultant
Domino's Pizza, Turkey (Remote)
August 2022 - Present
- I am providing consultation for reports, data modeling, and complex DAX queries for the new coffee brand of Domino's Turkey. Here, I am also responsible for ETL pipelines. The reports, analyses, and operations I mostly work on, • Sales Reports (Orders, Payments, Campaigns, and Products) • Customer Reports (Cohort Analysis, RFM) • Operational Reports (NPS, Inventory, Audit) • Maintaining Analysis Service • Power BI Governance (RLS, Admin Settings) Tech Stack: Power BI, DAX, SSAS (Tabular), SSIS, T-SQL, PostgreSQL
BI Data Analyst
sport Tishing. In
January 2022 - Present
- Fishbrain, Sweden (Remote) Fishbrain is a mobile app dedicated to sport Tishing. In my role, I am tasked with developing dashboards and reports through a comprehensive data analysis, primarily leveraging tools such as Tableau and BigQuery. I am also responsible for addressing data insight requests from the management department and investigating the root causes of anomalies among app users. The key reports I mostly work by using the app data for analyses, • Subscription Sales Report • Register, Trial, Pro Analysis • Subscription Retention Analysis • Subscription Trial Conversion Report • DAU, WAU, MAU Reports • Engagement Metrics (Likes, Comments, Posts) • Fish Catch Statistics (incl. visualizations on map) Tech Stack: Tableau, Google BigQuery, Amplitude, Metabase, Looker, DBT
Senior BI & DWH Engineer
December 2021 - Present
Sales Reports (Orders, Payments, Campaigns, and Products)
Domino's Pizza, Turkey (Hybrid)
June 2021 - June 2021
- I led the report transformation process, transitioning from IBM Cognos to Power BI, and migrating from Multidimensional to Tabular model. Additionally, I was responsible for reports, data modeling, and complex DAX queries for Domino's Pizza Eurasia (encompassing Turkey, Russia, Georgia, and Azerbaijan) and for Domino's Turkey's new coffee brand. Here, I was also responsible for ETL pipelines. The reports, analyses, and operations I mostly work on, • Sales Reports (Orders, Payments, Campaigns, and Products) • Operational Reports (NPS, Inventory) • Maintaining Analysis Service • Power BI Governance (RLS, Admin Settings) Tech Stack: Power BI, DAX, SSAS (Tabular, Multidimensional), SSIS, T-SQL, Apache NiFi, IBM Cognos
Machine Learning Engineer & BI Specialist
August 2018 - June 2021
- Caretta Software and Consultancy, Turkey (Onsite) I specialized in developing ML models using R and AzureML across diverse domains such as demand forecasting, customer segmentation, sentiment analysis, time series analysis, and customer lifetime value. Given the researchoriented nature of Caretta, I actively contributed to the writing of scientiTic papers for various R&D projects. Additionally, I undertook the responsibility of building and maintaining full-stack BI projects for client companies. SpeciTically, I led Power BI reporting projects, generating insightful reports for: • Unilever: Digital Marketing, Supply Chain and Distribution Operations Reports • L'Oreal: Financial Reports • Hyundai: Vehicle Dealer (Spare Parts, Labor) and Showroom Reports (Customer & Management) • Estée Lauder: Store Visit Reports Tech Stack: R, AzureML, Power BI, SSAS (Tabular), SSIS, T-SQL
Onsite, Part-time
Ford Automotive
December 2013 - December 2013
- During the Tinal two years of my bachelor's degree, I concurrently held a part-time position at Ford. My primary responsibilities included actively contributing to software development and designing applications in C# using MS Visual Studio. Additionally, I gained proTiciency in database management by working with Oracle and utilizing PL/SQL. Tech Stack: ASP.Net Framework, C#, Oracle, PL/SQL, DevExpress
Education
Lublin University of Technology
September 2012 - September 2020
