Kubernetes, Terraform\Terragrunt, Helm/Helmfile, Yandex Cloud, Buildkit, Gitlab CI, Prometheus + Grafana, VictoriaMetrics, Postgres Zalando Operator, Istio, nginx, Kafka, RabbitMQ Operator, HashiCorp Vault, Keycloak, ElasticSearch/OpenSearch, skopeo, Ansible, Linux.