Work Experience
July 2023 - Present
Managing Azure infrastructure, automation, and integration with on-prem payment systems and external platforms like European VOP. Led SEPA Instant Payments observability, setting up monitoring, alerting, and statistics. Oversaw release coordination, vendor management, and cross-team collaboration.Ensured high availability, performance, and security for a system serving millions of daily users, leveraging automation, AKS management, 24/7 support, custom metrics exporters, and automated callout mechanisms for seamless transaction processing.
March 2021 - Present
Designed and implemented a Disaster Recovery ELK environment with data replication, leading the migration to OCI and reducing costs by 60%. Automated infrastructure provisioning with Terraform, Chef, and Ansible. Developed and maintained global ELK services, enhancing monitoring, alerting (Slack, email), and security (OAuth2, SSO). Led containerization efforts, optimized performance, built a custom monitoring UI, developed Python telemetry application and provided 24/7 on-call support for Oracle Cloud infrastructure.
Octomber 2019 - March 2021
Started as a backend developer building billing systems for Vodafone using Java EE, then transitioned to full-stack development with React.js and Spring Boot. Collaborated on UI/UX design, breaking down product requirements into user stories. Fostered a team-oriented culture, organizing team-building activities and creating an onboarding platform that improved new hire integration, earning recognition as the most inspiring team member.
April 2019 - Octomber 2021
Managed software and system administration on RHEL 8 Linux servers for Greece’s energy distributor. Gained hands-on experience in servermaintenance, log analysis, and automation, supporting daily IT operations.