Work Experience

DevOps Engineer — WolkAbout

Feb 2023 – Present
  • Installed, deployed, and maintained IoT platform architecture with MQTT, AMQP, WebSockets, RabbitMQ, Redis, MySQL, Cassandra, and Tomcat backend services.
  • Set up platforms for both on-premises development environments and production client deployments.
  • Managed services via systemd, Docker Compose, Docker Swarm, self-hosted K3s, and AWS EKS clusters.
  • Automated deployment pipelines using GitHub Actions, Jenkins, and Bitbucket Pipelines to improve release cadence.
  • Managed AWS infrastructure (EC2, S3, RDS, Aurora, Route53, Cost Management, ECR, EFS, EKS, SES, IAM, CloudWatch).
  • Implemented Grafana with Promtail and Loki for centralized logging and monitoring.
  • Built and containerized Java/Gradle applications using Docker.
  • Operated a multi-node bare-metal Proxmox cluster supporting company-wide infrastructure.

DevOps Engineer / System Administrator — Zesium

Apr 2022 – Feb 2023
  • Deployed and maintained Dockerized applications across multiple Linux servers.
  • Automated development workflows using Jenkins and integrated GitLab pipelines for continuous deployment.
  • Introduced Docker Swarm and Kubernetes for container orchestration.
  • Optimized Nginx configurations and resolved network issues for efficient request handling.
  • Collaborated with development teams to streamline deployments and meet security standards.

Linux System Administrator — Netex Consulting

Sep 2020 – Apr 2022
  • Managed Linux infrastructure, including installation and configuration of servers for B2B clients.
  • Configured and maintained SIP/VOIP systems for 500+ employees.
  • Virtualized environments using Oracle VirtualBox, reducing infrastructure costs.
  • Set up VPN and firewall systems to enable secure remote work.
  • Created technical documentation and internal training materials.

Education

Secondary School of Traffic

2007

Srednja saobraćajna škola, Zemun — Field of Study: Traffic Technician