Burak Esme

• Technically leading the team, consisted of four application engineers distributed to various locations, who work for the Wirecard’s customer management platform (>20 Applications, >1000 Linux Servers) • Responsible for the infrastructure design, implementation, maintenance and release of new applications (Spring Boot, Apache Tomcat, Oracle WebLogic etc.) and corresponding monitoring tools (ELK stack, AppDynamics, Matomo, Nagios etc.)

-Install, update, tune and diagnose applications in Quality Assurance, Customer Testing and Production environments -Monitor designated applications and infrastructure, take corrective actions to prevent or minimize errors or even system down times -Provide application performance tuning -Work closely with application development teams to tune and troubleshoot applications -Responsible for problem management activities such as issue resolution and root cause analysis

For the biggest mobile operator of Turkey with 40M subscribers: • End-to-End architectural support for n-tier projects, actively participating meetings in close collaboration with other teams • Responsible for setting standards for installation, patch management, fine-tuning and security fixes of the application servers

For the youngest mobile operator of Turkey with 20M subscribers: • Planning, Installation, Configuration and L3 Support for the products: o Oracle WebLogic. (8, 9, 10g, 11g) o Oracle Service Bus. (OSB 10g) o Oracle SOA Suite (11g) o Apache HTTP Server • Administration of WebLogic Application Servers (8.1.4, 10g, 11g), • AVEA Service Bus (OSB, 10g, 11g and Infobus, C based), • BPM platform (WLI 8.1.4) and Oracle SOA Suite (11g) • Making deployments, maintenance and monitoring of platforms

or the biggest betting platform of Turkey with 2M users: • Solving operational problems delivered by customers • Testing Java based web applications on test and pre-prod systems • Developing Java applications for internal customers • Monitoring all web pages on Bilyoner.com • Monitoring automated applications • Responsible for monitoring of performance of applications • Determining problems and informing 3rd parties