Senior Java Developer

Java

Senior Java Developer

Java
., Kraków +4 Locations

NATEK

Full-time
B2B, Permanent
Senior
Remote

Job description

More about this opportunity


We are looking for a Senior Java Developer to support the migration of enterprise applications from WebLogic-based environments to a modern, containerized infrastructure on OpenShift/Kubernetes. You will work in an agile team with German stakeholders and contribute to architecture modernization.


Your responsibilities

  • Migrate legacy Java applications to OpenShift

  • Refactor and adapt Java EE/SpringBoot applications for cloud-native environments

  • Collaborate with infrastructure and DevOps teams

  • Conduct testing, troubleshooting, and documentation (in German)

  • Participate in project meetings and technical planning sessions


Our requirements

  • 5+ years of professional experience in Java software development

  • Strong knowledge of Java EE, SpringBoot, WebLogic

  • Familiarity with OpenShift and Kubernetes

  • Experience with Git, Maven, Jenkins, and Nexus

  • Solid understanding of relational databases

  • Fluent English OR Polish + Strong German proficiency (B2 minimum), written and spoken

  • Experience in agile environments (Jira, Confluence)


Our offer

  • Internal Mobility Program - enjoy many opportunities for career growth, job rotations, diversity of projects & technologies

  • Referral Program - enjoy cooperation with your colleagues and get a bonus

  • 5/10 Years NATEK Club - we offer long-term cooperation and celebrate each fifth- year cooperation anniversary with gifts

  • NATEK CSR Events & team buildings - enjoy our values: accountability, partnership and expertise and #workITwithus

  • Cafeteria

  • Medical Healthcare

  • Multisport Club Card

  • Technical and Personal training

  • Language courses

    Additionally only for CoW:

  • Life insurance

  • Bonuses for Personal Events

  • Day off for volunteering

Tech stack

    German

    B2

    Polish

    C1

    English

    C1

    WebLogic

    advanced

    SpringBoot

    advanced

    Java EE

    advanced

    SQL

    advanced

    Git

    regular

    Jenkins

    regular

    Nexus

    regular

    Maven

    regular

    Kubernetes

    regular

    OpenShift

    regular

Office location

Published: 29.07.2025