Need to have experience with Server administration routines Infrastructure As Code ( IaC ) experience ( Ansible Kubernetes ) Containerization technologies ( Docker ) Google Cloud Platform ( GCP ) VerneMQ ( MQTT Cluster ) Databases administration ( Cassandra ) Node.js microservices and javascript ecosystem Monitoring servers and related tools Maintaining backup routines Strong Scripting skills Nice to have experience Coturn ( STUN/TURN ) server setup and maintenance WebRTC systems setup and maintenance As a person you are self propelled getting-things-done oriented systematic analytical but yet pragmatic and you are not afraid of challenging targets and KPIs .