Software Developer (Java, Oracle & PostgreSQL)

DATAGROUP in Krakau or Remote

DATAGROUP is one of the leading German IT service providers - thanks to our dedicated team. Our passion for technology and innovation enables us to provide our customers with reliable IT services. With us, you can expect a fascinating and challenging field of activity in an innovative company. An open corporate culture, individual training opportunities and diverse development opportunities mean a workplace tailored to you and your life.

Contact person:

Wieslawa Wojtusiak

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Your responsibilities

DATAGROUP Polska Sp. z o.o. is looking for a skilled Java/Oracle Developer to support our ongoing technology refresh and migration initiatives. This is a mid-level position offering remote flexibility and the opportunity to work on forward-looking IT projects that involve modernizing legacy systems and migrating to cloud and open-source platforms.

  • Design and implement robust, scalable, and efficient JAVA-based frontend as well as Java components and Oracle PL/SQL procedures for the ETL process.
  • Contribute to the migration from Oracle to PostgreSQL.
  • Collaborate with cross-functional teams on application modernisation and cloud migration efforts.
  • Ensure code quality, performance, and maintainability throughout the development lifecycle.

Your profile

We’re seeking someone with a strong technical foundation and a proactive mindset. You should have:

  • Solid experience in Java development and object-oriented programming.
  • Strong skills in Oracle PL/SQL and ideally some exposure to PostgreSQL.
  • Familiarity with IBM DataStage is a plus.
  • Good understanding of RESTful APIs, Git, and modern development practices.
  • Strong communication skills in English; German is a plus.

Bonus skills

You’ll be working alongside other specialists in related areas. If you have experience or interest in any of the following, it’s a big advantage:

  • Google Cloud Platform (GCP) – BigQuery, Astronomer, CloudSQL
  • IBM Cloud Pak for Data (CP4D) – especially for ETL and DataStage migration
  • Scheduling systems like Airflow or Astronomer

Offer

At DATAGROUP Polska Sp. z o.o., we value our employees and offer a comprehensive benefits package to support your professional and personal growth:

  • Flexible working hours and remote work options (Poland only).
  • Open and cooperative corporate culture and a trusting working atmosphere
  • Flat Hierarchies and Short Decision Paths
  • Individual training opportunities and interesting technical challenges
  • Social benefits
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