No experience
Beginner (< 6 months)
Intermediate (6 mos - 1 year)
Advanced (1 - 2 years)
Experienced (2+ years)
Infrastructure-as-a-Service (IaaS), VMs on demand, Amazon EC2, Azure VMs, etc.
Object/blob/key-value storage (S3, redis, memcached, Dynamo DB)
Amazon VPC, virtual networking
Serverless computing (AWS Lambda, Azure functions, Google Cloud Functions, IBM OpenWhisk, others)
Load balancing (Amazon ELB, haproxy)
Platform-as-a-Service (Amazon Elastic Beanstalk, Heroku, Google App Engine)
OS Containers (Docker, RKT, LXC)
Container Orchestration Frameworks (Kubernetes, Docker Swarm, Apache Mesos/Marathon, Docker Machine, Amazon ECS)
Relational Database Services (Amazon RDS, Oracle Cloud, Azure SQL, Google Cloud SQL, others)
Virtual Machines (KVM, XEN, Virtualbox, HyperV, VMWare, ESX)