VoIP expert for SaaS Startup

Must have experience:
-Designing, building, testing, and maintaining backend systems.
-Strong knowledge of the Java and Kotlin programming languages.
-Experience developing microservices using Docker and Kubernetes.
-Experience with databases including MySQL, No SQL, Cassandra, and Redis.
-Working with remote teams (in the U.S. and abroad).
-A college degree in computer science or related field.
-Great interpersonal skills, problem-solving abilities, and speaks fluent English.
-A positive attitude and a great team player!

Nice to have experience:
-Agile process management using Scrum and Jira Cloud.
-Knowledge of the Golang programming language.
-Experience with application security best practices.
-Understanding of high availability systems.