Job description:
For a public-sector customer, we are currently looking for a Java developer (m / w / d) with experience in the migration of JEEE server applications to Kubernet.
IMPORTANT: For this position the readiness for a SÜ2 (sabotage protection) is necessary. In addition, the customer demands a free integration of approx. 10% of the order sum (about 80 hours).
For this position we can offer a max. net hourly rate of 82,00 €for remote.
Duration: 03.11.2025
- 30.04.2026
Capacity: 80%
- 100% (798 hours)
Location: 100% remote.
* * Tasks: * *
1. Migration of a JEEE server application (two coupled server monolites based on JEE 8) to Kubernet:
2. Code modernizations e.g.: Logging -
- connections to Kibana / Loki
3. Code-Modernizations with regard to code-style and components
4. Code modernizations with regard to possible partial changes to / as
5. Quarkus use
6. JEE10 use
7. CDI / injection
8. Build-up
- and Config-build pipelines / Build and Config range
9. Take-up of DevOps activities within the framework of support opportunities
* * Skillset: * *
* * Tooling know-how * *
1. Java server development for cloud and classic (JakartaEE)
2. Java JDK Java 17
3. Docker / Podman
4. Kubernetes, all the common deployment artifacts.
5. Best practices for Kubernet
6. Quarkus / Cloud Native for server application and batch
7. Build pipeline structure for cloud native
8. Testing with suitable tools, the entire range of topics
9. Postman
10. Git
11. Curl
12. K9s
13. Helmet Charts
14. Custom
15. External Secret Vaults
* * Tools / environments - know-how * *
1. Maven
2. Jenkins
3. REST services
4. KAFKA
5. Jackson
6. Developer tests with June 5, Wiremock,
7. Authentication and authorisation by JWT
8. Swagger.
9. Payara Application Server, Full
- or microprofiles
In addition * * knowledge (desirable): * *
1. Github Actions
2. Ansible
3. Microservices
4. Build and Config affinity, script languages e.g. python
5. OIDC authentication
6. Batches with JBeret
7. Rancher (Sures RKE2 platform)
8. In-depth handling of certificates
9. Test containers
10. Postgreen databases
11. Suse Rancher: RKE2
- Platform