Ahmet O.

Experience

• 

  BI Technology Qlik Master Reseller

  Nov 2013 - Oct 2016

  Business Intelligence Consultant

  Provided consultancy across various industries, delivering tailored BI solutions that enhanced data visualization and reporting efficiency. Led the design and implementation of custom dashboards, enabling clients to gain actionable insights. Collaborated with the Qlik development team during the alpha testing of Qlik Sense, offering key feedback that shaped the product’s early features.

• 

  ZUBİZU

  Oct 2016 - Jun 2019

  Senior Business Intelligence and Reporting Specialist

  Led the development of mobile dashboards, increasing data accessibility and adoption by 50% across teams. Implemented Power BI solutions integrated with SSIS, SSRS, and Qlik Sense, streamlining reporting workflows. Designed custom widgets for real-time data visualization, significantly improving decision-making capabilities. Contributed to key BI initiatives, enhancing data-driven decision-making across the organization.

• 

  Modanisa

  Jul 2019 - May 2022

  Spearheaded the reconstruction of the AWS-based ELT infrastructure, reducing ETL processing time by 60%. Automated data workflows with Airflow and optimized query performance using Presto/Trino. Implemented a scalable data lake solution, enhancing data accessibility and governance. Collaborated across teams to support real-time analytics and improve decision-making processes. Led the migration from QlikView to Qlik Sense, improving report generation speed by 40%. Managed a team of two, optimizing marketing and product analytics using BigQuery and Google Analytics. Implemented data-driven decision-making processes across teams, resulting in improved cost-per-acquisition (CPA) and overall business performance. Provided in-house training and mentorship, enhancing the team’s BI solution delivery efficiency by 20%.

  • Data Engineer

    Feb 2022 - May 2022

  • Business Intelligence Assistant Manager

    Feb 2021 - Feb 2022

  • Business Intelligence Team Lead

    Jul 2019 - Feb 2021
• 

  Justlife (previously Justmop)

  May 2022 - now

  Data Engineering Manager

  Redesigned the Google Cloud ELT infrastructure, boosting data processing efficiency by 70%. Automated processes using Kubernetes, Airflow, and dbt, leading to a 60% reduction in manual tasks. Developed real-time alert systems, improving issue resolution and increasing booking rates by 25%. Enhanced data transfer processes with Datastream and Dataflow, optimizing data freshness and supporting real-time analytics.