Gizem Y.

Senior Software Engineer at n11.com

Netherlands

About

A software engineer with experience in Telecom and eCommerce domains. Developed backend systems with soap and rest web services, server-side web projects, and used Spring (Boot), EJB and OSGi frameworks. In May 2017, I got the “Oracle 1z0-808 Java 8 Programmer I” certificate. I have experience with micro service technology on-premises and GCP.

Experience

  • Senior Software Engineer at n11
    May 2022 - Present · 4 yrs 3 mos

    n11.com, a prominent eCommerce platform with over 24 million active members and 25 million+ listed products, is undergoing a significant transformation from a monolithic architecture to microservices. I am playing an integral role in this transition, employing Event Storming and Domain-Driven Design within an Onion Architecture. During this process, I have also gained valuable experience with the Change Data Capture stack, facilitating efficient data migration.

  • Software Engineer at Wmobtech Yazılım ve Danışmanlık
    Oct 2017 - May 2022 · 4 yrs 8 mos

    For a large technology retail store, I participated in their mobile backend application project. Successfully completed integration in-house CRM capabilities into mobile backend.

  • Senior Software Engineer at n11.com
    Dec 2016 - Oct 2017 · 11 mos

    13 million members registered and 10 million+ products are listed on n11.com eCommerce Platform. I worked on different parts of whole system. Enhanced mission-critical ‘product search system’ on Solr. Worked with spring batch to find and delete stale images on CDN and replaced image urls to more seo-friendly ones to increase search engine traffic. Took part in developing Rest APIs on backend of n11.com platform. Used Java with Spring & Hibernate Frameworks on Weblogic Application Server and Oracle Database.

  • Senior Software Engineer at Argela Technologies
    Mar 2011 - Oct 2016 · 5 yrs 8 mos

    For a research project, worked on evaluating and tailoring architectures of open source SDN solutions written in Java on Apache Karaf(OSGi framework): Open Daylight and ONOS. Implemented JAX-WS web services to integrate SSO, DRM, Subscription and Content Management System(CMS) modules of Turkey’s largest IPTV platform (Tivibu). Project is based on full Java EE technology stack such as EJB 3.0, JPA, JAX-WS and JAX-RS web services and JMS on Glassfish Application Server. Apart from integration, worked on multichannel and multi-platform subscription module where developed frontend side with Apache Wicket and Struts.

  • Software Design Engineer at Netas
    Sep 2009 - Mar 2011 · 1 yr 7 mos

    Nortel is a legacy telco giant where I delved into “Media Application Server” and other SIP protocol based products. Fixed and maintained most parts that were written in Java and other languages. Experienced software development lifecycles in high level of bureaucracy.