Senior Java Developer

Hays IT Contracting is a cooperation based on B2B rules. We connect IT specialists with the most interesting, technological projects on the market.

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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.

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

What will you get:

·       Long-term cooperation with the client implementing projects for the largest players in the banking, insurance, telco and more sectors

·       Fast recruitment process - one meeting

·       Standard benefits - preferential rates for LuxMed and Multisport packages

·       When you choose to work via Hays, you also get the opportunity to work for many of Hays' other leading clients in the future

What will the recruitment process look like:

1.     Your CV will be verified by Hays Recruiter

2.     Recruiter will contact you by phone - a 15-minute conversation about the project and your experience

3.     2 stages of interview with Client, via Teams

4.     Offer

5.     Welcome to the project!

Hays Poland sp. z o.o. is an employment agency registered in a registry kept by Marshal of the Mazowieckie Voivodeship under the number 361.