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November 4, 2026

Java Integration Developer (ETL & Seeburger)

Senior • On-site

120 - 130 PLN/yr

Kraków, Poland

Quick Facts

Role: Java Integration Developer (ETL & Seeburger)

Focus: End-to-end development (analysis, testing, production support) for integration/ETL solutions using Java and DevOps practices

Description

Participate in all stages of the software development lifecycle, including analysis, testing, and production support, within Agile and/or Waterfall teams. Translate Group and Wholesale strategy into well-designed technical solutions, deliver outcomes aligned to business needs, and maintain high code quality and security. Proactively reduce technical debt and contribute to DevOps practices such as CI/CD, automated testing, observability, and operational readiness.

Responsibilities

  • Design and develop technical solutions aligned to target architecture and business strategy.
  • Own design and development across the full software lifecycle, producing maintainable and secure code.
  • Plan and execute delivery in Agile and/or Waterfall, collaborating with developers, testers, analysts, and architects.
  • Identify and reduce technical debt; improve performance, resilience, and reusability.
  • Partner with business stakeholders, SMEs, and Solution Architects to clarify requirements and shape solutions.
  • Provide mentoring via code reviews, pairing, knowledge sharing, and feedback.
  • Contribute to DevOps ways of working: CI/CD, automated testing, observability, and operational readiness.
  • Support production activities such as incident investigation, problem management, and root-cause analysis; implement permanent fixes.

Requirements

  • 6+ years of software development experience across both Waterfall and Agile delivery environments.
  • Strong back-end development experience with system integration and/or migration.
  • Knowledge of DevOps, Disciplined Agile Delivery (DAD), and Agile control framework.
  • Strong working experience with Java, Spring Framework, and RESTful APIs.
  • Experience with databases such as Oracle, MongoDB, or PostgreSQL.
  • Experience implementing and maintaining CI/CD pipelines and development automation.
  • Familiarity with engineering/delivery tools such as Confluence, Jira, Jenkins, Ansible, Git/GitHub, and SonarQube (or equivalent).
  • Familiarity with test automation frameworks such as JUnit.
  • Ability to support production (incident management, problem management, root-cause analysis) and drive service reliability improvements.
  • Demonstrated ability to mentor others and raise engineering standards.

Benefits

Not specified in the provided posting.

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