Software Developer (Java, Oracle & PostgreSQL)

Software Developer (Java, Oracle & PostgreSQL)

Join to apply for the Software Developer (Java, Oracle & PostgreSQL) role at DATAGROUP Enterprise

Datagroup in Krakau or Hybrid

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

Bartlomiej Musial

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.

Responsibilities pender>

• Design and implement robust, scalable, and efficient Java‑based frontend as well as Java components and Oracle PL/SQL procedures for the ETL process.
• Con defaultstate> 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.

Profile / Qualifications

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

Bonus Skills

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

Benefits

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

Seniority Level

Mid‑Senior level

Employment Type

Full‑time

Job Function

Engineering and Information Technology

Industries

IT Services and IT Consulting