Çağla Baylan Vatansever

Sr. Site Reliability Engineer

Türkiye

About

Experienced Senior DevOps Engineer with 9+ years of proven expertise in building and managing infrastructure, automating processes, and ensuring the reliability, scalability, and security of mission-critical applications. Skilled in cross-functional collaboration, delivering on key initiatives, and proficient in cloud migration, CI/CD pipeline development, and infrastructure as code techniques.

Experience

  • Senior Site Reliability Engineer at McKinsey & Company
    Jul 2024 - Present · 2 yrs

  • Senior Site Reliability Engineer at Vertex Agility
    Jul 2024 - Present · 2 yrs

  • Staff DevOps Engineer at Cue Health
    Aug 2022 - May 2024 · 1 yr 10 mos

    - Designed and maintained infrastructure spanning AWS, GCP, and MongoDB Atlas as IaC, using Terraform/Terragrunt. - Developed and maintained CI/CD pipelines in CircleCI for the workloads in Google Kubernetes Engine (GKE), which are deployed through Helm. - Acting as a tech lead, provided guidance to ensure solutions align with best practices while collaborating with other teams to achieve shared objectives. - Developed custom solutions such as a Slack self-service bot using event-triggered GCP Cloud Functions in Python, thereby enhancing departmental productivity by automating tasks like IAM management and database access management. - Collaborated with the security team to apply vulnerability fixes through IaC and managed Okta integrations with tools like Mongo Atlas, GitHub to enhance access security. - Worked in a multinational DevOps team consisting of members from US, Poland, India and Turkiye, with English as the primary language.

  • Senior DevOps Engineer at sahibinden.com
    Oct 2021 - Aug 2022 · 11 mos

    - Led DevOps initiatives within a dynamic team environment at Turkey's largest platform for buying/selling real estate, cars, and various products. - Led efforts to streamline release management processes through developing automated CI/CD pipelines, resulting in increased efficiency and reduced manual errors. - Played a pivotal role in transitioning from monolithic to microservices architectures, ensuring seamless deployment and maintenance of services and utility tools.

  • Site Reliability Engineer at Trendyol Group
    Jan 2021 - Oct 2021 · 10 mos

    - Solely managed and maintained the infrastructure for three development tribes within Turkey's leading e-commerce platform, ensuring high availability and reliability for critical applications which receive millions of requests daily. - Optimized Kubernetes resource utilization and monitored applications performance to proactively identify and resolve issues, minimizing downtime and enhancing user experience. - Troubleshooted daily-reported app/infrastructure issues. Responded promptly to critical incidents, taking immediate action, and conducted Root Cause Analysis (RCA) promptly afterward. - Led migrations between data centers and implemented robust security measures to safeguard against potential threats.