08/07/2025 updated

HH
100 % available

java engineer (Kafka,gRPC,prometheus,Graphql)

yokohama, Japan
Japan
yokohama, Japan
Japan

Java (Programming Language)Spring SecurityContinuous IntegrationSpring FrameworkPrometheusSpring MVCSpring BootBackendGitContainerizationKubernetesExpertise in CommunicationsApache KafkaGraphQLRestful ApigRPCSoftware Version ControlDocker
I am a Java developer with extensive experience in back-end system and framework development.

For a long time, I have been using Spring Framework and Spring Boot to build backend applications and internal frameworks. I am very familiar with Spring's core modules, including Spring MVC, Spring Kafka, and Spring Security.

My experience covers a variety of modern communication protocols and technologies, such as RESTful API, gRPC, and GraphQL. Using the Spring framework, I also focus on developing reusable components and generic libraries to simplify the development process.

I have extensive experience with Git version control and am skilled at setting up and managing Git pipelines to achieve continuous integration and deployment.

In addition, I have practical experience in containerization and orchestration, specifically including building and managing test environments using Docker and Kubernetes.

Experience

Professional experience10+ years
Freelancer since2025

Languages

ChineseNative speakerEnglishGoodJapaneseFluent

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