Technical Skill: Java , C# , Golang , JUnit , Unit testing , MongoDB , TDD , Cassandra , Design Patterns , NoSQL , AngularJS , Distributed Systems , RabbitMQ , Docker , DevOps , xUnit , Protobuf , CQRS , DDD , Apache Kafka , AWS , ReactJS , Kubernetes , Microservices , Flutter , API Gateway , NATS , Service Mesh , CI/CD , Event Sourcing