Aziz Durmaz

Technology Executive | Ex-CTO @ Misli | VP IT @ Demirören | Org Scaling | Platform Transformation | Cloud & DevOps Strategy | Team Builder

Istanbul, Istanbul, Türkiye

About

Technology Executive with 18+ years of experience leading engineering and IT organizations in high-scale environments including betting, e-commerce, and enterprise platforms. I specialize in building engineering organizations from the ground up, scaling teams, and leading cloud and platform transformations. As CTO and VP IT, I have led major technology migrations, established private cloud infrastructures, modernized legacy systems, and scaled teams from small core groups into structured multi-team organizations with engineering managers and cross-functional squads. My focus areas include engineering leadership, organizational design, delivery transformation, cloud strategy, and building high-performing technology teams aligned with business outcomes.

Experience

  • Chief Technology Officer at Demir Cargo Demirören Yatırım Holding
    May 2023 - Oct 2025 · 2 yrs 6 mos

    * Leading technology strategy and engineering organization * Driving platform scalability and operational excellence * Managing technology budget and vendor ecosystem * Building structured engineering processes

  • Vice President Information Technology at Demirören Teknoloji
    May 2022 - May 2023 · 1 yr 1 mo

  • Chief Technology Officer at Misli.com
    Mar 2019 - May 2022 · 3 yrs 3 mos

    Key Achievements • Restructured the Technology organization chart, creating new teams from ground zero such as test, dev-ops, backend, reporting. • Managed the integration of live betting and new iddaa system. • Implemented a Private Cloud infrastructure using VxRail. • Led the migration of Misli v4, including hardware, software, and database, resulting in improved performance. • Increased the number of IT staff from 4 to 44 • Managed the IT Budget.

  • Software Development Manager at Modanisa
    Apr 2017 - Jan 2019 · 1 yr 10 mos

    Key Achievements - Restructured the Technology organization chart. - Creating a test team from ground zero. - Creating dev-ops team from ground zero. - Enhancing CI / CD (continuous integration and continuous delivery) processes - Enhancing the Modanisa eCommerce Site performance with the help of APM (Application Performance Monitoring) tools. - Migrating full infrastructure system from on-premise system to AWS cloud system. - Increasing the number of developers and testers in IT from 12 to 42. - IT department became an on-site R & D center and gets approval from TUBITAK (Scientific and Technological Research Council of Turkey) - One of our project (Smart Showcase) is accepted and support by Tubitak. And now it is on development process with the help of Istanbul Technical University.

  • Gittigidiyor.com / eBay Inc. (11 yrs 3 mos)
    • Manager, Database Administration & DWH
      Sep 2015 - Apr 2017 · 1 yr 8 mos

      Key Achievements - Migrating whole database system from SAS Disks to Flash Disks with the help of this reduced slave database count from 12 to 4. - Creating all data cleanse and data backup protocol from ground zero. With the help of this shrank the active data size from 2 TB to 600 GB - Enhanced the segmentation system performance and created 5 new segment dimensions. - Reducing %70 percent of the manual report needs with the help of creating automated QlikView Dashboards.

    • Software Development Supervisor
      Feb 2006 - Sep 2015 · 9 yrs 8 mos

      - Providing technical leadership - Ensuring the quality of software that demands from business needs - Evaluating the performance of co-workers - Hiring - Coaching and Mentoring