Must Have:

* Kubernetes (as developer, not admin)

* JavaEE (incl. EJB, CDI, JMS, JPA, Micro profile)

* Spring Boot (incl. REST, JMS, Actuator, JPA)

* Maven

Nice-to-have:

* Terraform (on AWS),

* AWS RDS+SQS+SNS,

* Angular, Prometheus/Grafana + EFK stack

* AWS Cloudwatch+S3

* OpenID Connect,

* Jenkins (pipelines)

* OpenAPI