Senior Java Engineer (German Language)

Location: Remote within Bulgaria, Poland, or Romania

Company

hirify.global operates in engineering and technology, with this role focused on software development.

What you will do

• Modernize a monolithic platform into loosely coupled cloud-native microservices using Java and Spring Boot, with React and TypeScript where required.
• Containerize legacy JVM applications with Docker or Podman, including JVM tuning, externalized configuration, and externalized state.
• Build and maintain CI/CD workflows with ArgoCD and GitOps practices for automated build, testing, and deployment.
• Implement OpenTelemetry observability across logs, metrics, and traces using Grafana, Prometheus, Loki, and Mimir.
• Develop data flows with PostgreSQL, Redis, and Kafka, and manage database changes through Liquibase or Flyway.
• Deploy and secure Kubernetes services with Helm, Ingress, TLS, NetworkPolicies, Vault or External Secrets Operator, SonarQube, and Trivy.

Requirements

• Proven experience modernizing monolithic applications into microservices-based, cloud-native solutions.
• Advanced Java and Spring Boot expertise, ideally with Java 11, 17, or 21, plus working knowledge of React and TypeScript.
• Practical experience with the testing pyramid, including unit, integration, system, and end-to-end testing, as well as Java testing frameworks.
• Hands-on Docker, Kubernetes, and Helm experience, including Kubernetes networking and secrets management.
• Practical knowledge of CI/CD, ArgoCD, GitOps, Linux, and Bash, with experience in Azure DevOps or Harness.
• Solid experience with PostgreSQL, Redis, Kafka, and schema registries such as Apicurio or Avro.
• Applied knowledge of OpenTelemetry-based observability and restricted build environments using artifact proxies or curated registries.
• Experience with transmission system operators or similar energy infrastructure companies.
• Cloud Native certification such as CKA or CKAD.
• Hands-on experience with Harness, ArgoCD, or Keycloak/OIDC.
• Comfortable working with agile delivery practices and collaboration tools such as Scrum, SAFe, Jira, and Confluence.
• Fluent English at C1+ and German at B2+ for client communication, technical meetings, and documentation.

Culture & Benefits

• Remote work arrangement within Bulgaria, Poland, or Romania.
• Collaboration with a distributed engineering team, architects, DevOps engineers, QA specialists, and client stakeholders.
• Direct collaboration with German-speaking stakeholders.
• Work on business-critical systems and their modernization toward cloud-native architecture.