Senior Java Developer

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 For our Client we are currently looking for Candidates for the position of:

 Senior Java Developer

Job type: B2B (with Hays Poland)

Location: 100% remote

Length: long term project

Start date: ASAP / 1 month notice period is ok

Rate: 170-180zł/h

We’re looking for a Java Developer with strong DevOps skills and hands on experience running workloads on Red Hat OpenShift. You will build Java microservices, automate delivery pipelines, and help maintain reliable, secure, and observable cloud native platforms

Key Responsibilities:

·       Develop and maintain Java microservices (Spring Boot) integrating with databases, APIs, and Kafka/AMQ.

·       Containerize applications (Docker/S2I) and optimize images for performance and security.

·       Deploy and operate services on OpenShift (deployments, routes, services, config/secrets, operators).

·       Build CI/CD using Tekton and manage GitOps flows via Argo CD.

·       Implement observability: logs, metrics, alerts (Prometheus, Grafana, Loki/EFK).

·       Automate tasks using Bash, PowerShell, Python, oc CLI, Helm/Kustomize.

·       Apply DevSecOps practices: image & dependency scanning (Trivy, Clair, Snyk), RBAC, secure coding.

·       Tune JVM and troubleshoot performance issues in containerized workloads.

Must Have Skills

·       Strong Java & Spring Boot experience.

·       Practical experience with OpenShift and containerization.

·       CI/CD knowledge (Tekton, Maven/Gradle, GitOps/Argo CD).

·       Familiarity with observability tools and cloud native troubleshooting.

·       Understanding of DevSecOps and automation scripting.