Senior Java Engineer (German language)

About The Role
In this role, you will lead the modernization of an established platform, moving it from a monolithic architecture toward cloud-native microservices. You will influence key decisions across Java services, containerization, observability, and automated delivery, helping business-critical systems scale reliably. Working with a distributed engineering team, you will collaborate directly with German-speaking stakeholders.
Responsibilities
Redesign a monolithic platform into loosely coupled microservices using Java and Spring Boot, with React and TypeScript where required
Drive containerization of legacy JVM applications with Docker or Podman, including JVM tuning and externalized configuration and state
Collaborate with architects, DevOps engineers, QA specialists, and client stakeholders to plan technical changes and release them safely
Build and maintain CI/CD workflows using ArgoCD and GitOps practices to automate build, testing, and deployment
Implement OpenTelemetry-based observability across logs, metrics, and traces using Grafana, Prometheus, Loki, and Mimir
Develop data flows with PostgreSQL, Redis, and Kafka while managing database changes through Liquibase or Flyway
Deploy Kubernetes services with Helm, including Ingress, TLS, NetworkPolicies, and secure secrets management
Strengthen application and container security with HashiCorp 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 across Java 11, 17, or 21, plus working knowledge of React and TypeScript
Practical experience with the testing pyramid (unit, integration, system, end-to-end) and Java testing frameworks
Hands-on expertise with Docker, Kubernetes, and Helm, 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 certifications 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 (C1+) and German (B2+) for client communication, technical meetings, and documentation
SoftServe is an equal opportunity employer. Qualified applicants will receive consideration regardless of race, color, ancestry, ethnicity, national origin, religion, sex, sexual orientation, gender identity or expression, age, citizenship, disability, health condition, marital or family status, veteran status, or any other characteristic protected by applicable law.

Work arrangement
Yes