Anton C.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Linux (ubuntu, rhel & etc.), Windows, AWS, GCP, Openstack, AWS infrastructure (EKS, iam, s3, vpc, ecr, rds, tgw & etc.), Puppet, Ansible, Terraform, Terraform Cloud, Docker, Docker Swarm, EKS, Kubernetes, Openshift, Nomad, Helm, Kyverno, Vector.dev, Opensearch-operator, Elasticsearch, Prometheus, Grafana, Fluentbit, Open Telemetry, Jaegertracing, Victoria metrics, Keycloak, Argocd, Fluxcd, Istio, CI-CD, Jenkins, gitlab(+ci), Azure devops, Datahub, Druid, Kafka operator, Jfrog Artifactory, Harbor, Vault, Consul, Traefik, Cloudflare, Postgres (patroni, spilo), SQL, Cloudera (Hadoop, hive) , Mariadb, Mongodb, DB2, ELK, ECK-operator, Ceph, Glusterfs, Longhorn, Haproxy, Nginx, WSO2, IBM (websphere BPM MDM), AMQ, RabbitMQ, Apache Ignite, Bash, Go, Python, Powershell.