Professional
Linux administrator / SysOps
- Debian-based, Red Hat-based
- Web servers nginx, Apache
- Application servers Tomcat, JBoss, Spring Boot
- Containers Docker, Kubernetes
- Message brokers RabbitMQ
DevOps
- High availability HAProxy, keepalived
- IaC Ansible, Terraform
- Monitoring Nagios, Zabbix, Grafana, ELK
- CI/CD Jenkins, Bamboo, GitHub Actions, Azure DevOps
- Version control Git, SVN
- GitOps Git as the single source of truth for infrastructure and deployments
- SRE Site Reliability Engineering
Cloud
- AWS
- EC2, ECS, S3, RDS, Route 53
- Azure
- Blob Storage, Azure SQL, Virtual Machines, Container Instances, DNS zones, App Service, AKS, Static Web Apps (azure.skwarna.eu)
- GCP
- Cloud Run, Compute Engine, Cloud Storage, Load Balancing
Team leadership
- Team leader
- People management
- Problem solving
- Supervising and reviewing work
- Cross-team collaboration and integration
AI
- Assistants Claude, ChatGPT, Gemini, GitHub Copilot
- Prompt engineering
- AI agents
- VS Code integration
Projects
-
ActivewBieszczady.eu
Tourist portal for the Bieszczady mountains: hiking trails with elevation profiles, attractions, accommodation and restaurant search, events, live weather and an interactive map.
PHP, MySQL, Leaflet / OpenStreetMap, GitHub Actions, Docker, Cloudflare
-
Donephp-virt-manager
Web panel for libvirt/KVM virtual machines.
PHP, Smarty, Bootstrap, libvirt / KVM, noVNC, cloud-init, nginx, Docker, GitHub Actions
-
AbandonedGallery
Photo gallery.
Private
Hiking, camping, biking, kayaking.