Senior Java Developer (OpenShift)

As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for: Senior Java Developer (OpenShift)

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

Requirements:

• 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

Nice to have:

• Java Certifications: Oracle Certified Professional (OCP) – Java SE 11 or 17 / Oracle Certified Associate (OCA) – Java SE

• Cloud‑Native & Container Certifications: Red Hat OpenShift Developer (DO288) / Red Hat Certified Specialist in OpenShift administration (EX280) / Kubernetes certifications: CKA / CKAD / CKS

Offer:

• Private medical care

• Co-financing for the sports card

• Constant support of dedicated consultant

• Employee referral program