İzmir, Türkiye

Ömer Engin Öz

Software Consultant

Experienced in implementing various payment infrastructures and technical leadership.

Projects Contact

AboutSummary

Ömer Engin Öz is a software consultant experienced in implementing various payment infrastructures and technical leadership. With over 10 years of industry experience, he has achieved a 30% efficiency increase in payment systems. He is an expert in development with Perl, Java, and PHP.

Selected workProjects

2026 – Present

yenihr.com

A recruitment platform developed with modern web technologies, focusing on user experience and efficiency with artificial intelligence.

www.yenihr.com →
2019 – Present

Estée Lauder E-Commerce Payment Gateways

Oversaw payment systems for Estée Lauder Companies sub-brands (Clinique, Aveda, etc.), ensuring secure and seamless transactions on global e-commerce platforms.

Jan 2007 – Jan 2010

Health System Reporting (Birim IT)

Reports for 60+ hospitals with Oracle Forms, Reports, PL/SQL; Ministry of Health integration via SOAP.

CareerExperience

  1. Software Consultant — Estée Lauder Companies

    Jan 2019 – Present

    Leading the development and maintenance of account, payment, and payment completion functions as well as the feature team development.

    • Developed and maintained account, payment, and payment completion functions with Perl, achieving a 30% reduction in transaction times.
    • Increased user engagement by 25% by developing SPP, MPP, and landing pages with Drupal.
    • Successfully completed integrations with QPay, KNET, and Klarna, accelerating the payment process by 20%.
    • Played a key role in establishing and developing the Features team in Turkey, increasing team efficiency by 40%.

  2. Software Consultant — DABNET BİLİŞİM TEK

    Jan 2018 – Jan 2019

    Contributing to the development of the Needion project using various technologies.

    • Contributed to the development of the Needion project using ServiceStack (.Net), NodeJs + Socket.IO, Angular, Ionic, Redis, and MongoDB, reducing project delivery time by 15%.

  3. Technical Lead — Sinerji Hukuk Yazılımları

    Jan 2011 – Jan 2018

    Technical leadership in the design, development, and maintenance of the sinerjimevzuat.com.tr web application.

    • Technologies: JavaEE, Primefaces JSF, Hibernate, Hazel Cast, JBoss Seam Framework, CDI, Jasper Reports.
    • Percona MySQL database setup with master-to-master clustering.
    • HAProxy for high availability and load balancing.

  4. Developer — Birim Information Technologies

    Jan 2007 – Jan 2010
    • Health system reports for over 60 hospitals using Oracle Forms and Reports.
    • Oracle 10g and PL/SQL for database management and report creation.
    • SOAP called from database packages in Ministry of Health integration projects.

  5. Freelancer

    • PHP and MySQL based websites; hosting and domain services.
    • Developed a content management system for a local business.

ToolboxSkills

Programming Languages

  • JavaScript
  • Java
  • Python
  • Perl
  • PHP
  • PL/SQL
  • Node.js

Payments

  • Ingenico
  • Worldline
  • Altapay
  • Checkout.com
  • Adyen
  • QPay
  • KNET
  • Klarna

Frameworks

  • Angular
  • Drupal
  • ServiceStack
  • Socket.IO
  • Ionic
  • Primefaces JSF
  • Hibernate
  • Hazel Cast
  • JBoss Seam
  • CDI
  • Apache Deltaspike
  • JavaFX
  • Spring

Database

  • MongoDB
  • Percona MySQL
  • Oracle 10g
  • Redis

Software

  • Jasper Reports
  • Oracle Forms & Reports

Tools / Platform

  • HAProxy

Other

  • Problem Solving
  • Project Management
  • Team Leadership
  • Adaptability
  • Analytical Thinking
  • Team Collaboration

BackgroundEducation

CredentialsCertifications

Get in touchContact

İzmir, Türkiye

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