Görkem Çenger

During my internship, I gained hands-on experience with Agile methodologies, supported by comprehensive training. This opportunity allowed me to effectively collaborate in cross-functional teams and contribute to the development of innovative solutions.

I am currently part of the User Team, one of the most high-traffic teams at Trendyol, a leading application in Turkey's e-commerce landscape, where I play a key role in managing the user data, addresses, and messaging (SMS, email, push) operations for over 1 million active users daily.

• Successfully transitioned an external-facing application from primitive API key authentication to service-to-service authentication, significantly enhancing its security. This initiative required effective coordination with multiple teams to ensure a seamless transition.
• Established performance monitoring dashboards and restart alarms for pods in the production environment using Prometheus, enabling quick identification and resolution of issues. Additionally, by configuring logs at the Kubernetes level, I ensured prompt alerts for any potential problems.
• Developed a unique ID generation mechanism for the active-active system. Following this, I took on the responsibility of planning and managing XDCR setups for Couchbase-dependent applications and establishing master-replica relationships for PostgreSQL-based applications.
• Implemented graceful shutdown processes at both the application and Kubernetes levels, effectively eliminating short-term errors that previously occurred during restarts and deployments, significantly improving the overall user experience.