Cloud Native Java Developer / Architect (m/f/d) - Spring Boot / Rest / Git / Maven / Gradle - Start in February 2026

For our costumer, we are looking for a Cloud Native Java Developer / Architect (m/f/d) - remote / FFM.

Please note that all Must Have need to be met.

Location: 80% remote, 20% onsite in FFM
Capacity: Full-time
Duration: 3 month + possible extension
Start: February 2026

Tasks include:
- Applying of cloud-native design patterns using Java (Spring Boot, Maven) and Python components.
- Platform Service Integration
- Initial analysis and validation of architectural concepts by translating them into working implementations.
- Coordination with architecture stakeholders by prototyping architectural patterns and evaluating platform
capabilities.
- Writing of maintainable, well-structured, and well-tested code

Must-have experience
- Experience in Cloud-native application development and architecture
- Hands-on experience developing applications in Java using Spring Boot and REST APIs.
- Practical experience working with Git-based workflows (GitLab or GitHub).
- Experience building and managing Java projects using Maven or Gradle.
- Ability to write and execute SQL queries, with practical experience using PostgreSQL or similar relational databases.
- Basic experience integrating or implementing RESTful APIs in real projects.
- Foundational understanding of containerized application development (e.g., Docker)
- Basic familiarity with cloud-native concepts such as modular services, configuration management, and environment
separation.
- Experience using standard development tools such as IntelliJ IDEA and working with issue trackers (e.g., Jira).

Must-have language skills:
- Proficiency in English (B2) in speech and writing.

Preferred experience
- Initial hands-on experience working with Kubernetes (deployments, pods, services) or a strong motivation to deepen
this knowledge.
- First exposure to GitOps practices, such as working with Argo CD or declarative deployment workflows.
- Basic understanding of Helm for templating and application configuration.
- First experience with event-driven systems or messaging platforms such as Kafka.
- Experience developing or maintaining small-scale demonstrator or prototype applications.
- Basic awareness of cloud-native architectural principles (12-factor app, microservices, resilience patterns).
- Familiarity with CI/CD automation using GitLab CI, GitHub Actions, or similar tools.
- Experience contributing to documentation, API descriptions, or onboarding guides.