System Administration:
Software Management and Packaging (Debian, Arch),
CI/CD and Configuration Management (GitLab CI, Ansible, Argocd),
Containers and Orchestration (LXD, Docker, Kubernetes),
Cloud Computing (AWS EC2, S3, EKS, Route53, CloudFront, Lambda),
Networking (VPC, VPN, DNS, Load Balancing, Firewalls),
Scripting (Bash, Python, Node.js),
Logging and monitoring (ELK Stack, Grafana, Prometheus, VictoriaMetrics)
Software Development:
Software Development (Python, Node.js),
Version Control (Git),
Message Brokers (RabbitMQ),
Databases (MongoDB, Redis)