Czym będziesz się zajmować? DE/DA Trainee at InnowiseLocation: WarsawEnglish: B1 or higherDuration: approx. 3 months (min. 4 hours per day)What we offer:A personalized development planA dedicated mentorFlexible schedule — suitable for studentsTech meetups, knowledge base, and team eventsReal hands-on experience with current techCareer opportunity — top trainees can join Innowise teamThis internship is designed to grow both your hard and soft skills with practical tools and guidance. Full task scope will be presented during the technical interview.The internship consists of two stages. The first stage is unpaid, while the second stage is paid. Progression to the paid stage depends on how quickly you demonstrate your skills and potential. You'll be assigned a mentor who will support your learning, provide tasks, and offer guidance. However, it's equally important to take initiative and work independently.The unpaid stage can last between 3 to 6 months, depending on your performance and results — it may vary from person to person.

Kogo poszukujemy? Basic requirements:Knowledge of relational databases (e.g., PostgreSQL, MySQL, etc.)Basic knowledge of PythonNice to have:Experience with Airflow, Spark, or other data engineering toolsUnderstanding of ETL/ELT processesFamiliarity with NoSQL databasesExperience with BI data visualization tools (e.g., Power BI, Tableau, QuickSight, etc.)