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Urgent! Senior Data Engineer Job Opening In Kraków – Now Hiring MDPI

Senior Data Engineer



Job description

Become a key player in our data engineering team and help us build the foundation of our data-driven success!
As a Senior Data Engineer, you will play a critical role in designing, developing, and optimizing our data infrastructure.

You will work closely with a team of data engineers, under the leadership of our Data Architect, to ensure data quality, scalability, and efficiency across the organization.

Your technical expertise and problem-solving skills will be vital in shaping our data landscape.

This is a fully in-office role based in Kraków

Key responsibilities:


  • Data Infrastructure Development: Contribute to the design and implementation of data lakes, data warehouses, and ETL/ELT pipelines.

  • Data Modeling: Develop and maintain data models to support the efficient storage and retrieval of data.

  • Data Orchestration and DataOps: Implement and optimize data pipelines, ensuring seamless data flow and processing.

  • Data Acquisition: Integrate and process data from multiple sources, ensuring consistency and accuracy.

  • Monitoring and Maintenance: Develop and implement monitoring systems to ensure data quality and availability.

  • Collaboration: Work closely with the Data Architect and other team members to ensure alignment on technical strategies and project goals.

    Work effectively within a diverse, international team spread across Switzerland, Serbia, and China.

  • Optimization: Continuously seek to improve the performance, scalability, and reliability of the data infrastructure.

  • Required Hard Skills:


  • University degree, ideally a Masters in Computer Science or related science, technology or engineering field.

  • 5+ years of relevant work experience in data engineering roles.

  • Proven experience in data acquisition, laking, warehousing, modeling, and orchestration.

  • Strong knowledge of common columnar file formats used in data applications.

  • Expertise in data partitioning and incremental scalability.

  • Expertise in data quality and data governance.

  • Advanced skills in SQL (including window functions and CTE).

  • Proficiency in RDBMS MySQL, PostgreSQL).

  • Strong programming skills in Python (with libraries like Polars, optionally Arrow / PyArrow APIf).

  •  Experience with OLAP query engines Clickhouse, DuckDB, Apache Spark).

  • Experience with Apache Airflow (or similar tools like Dagster or Prefect).

  • Good to Have:


  • Experience in entity disambiguation.

  • Familiarity with orchestration and containerization technologies Docker, Kubernetes).

  • Knowledge of Linux (Ubuntu/Debian).

  • Experience with Git and Atlassian tools (Jira, Confluence).

  • Knowledge of dbt.

  • Understanding of graph databases neo4j).

  • Required Soft Skills:


  • Strong teamwork and communication skills.

  • Ability to work independently and manage your time effectively.

  • Comfortable working in a diverse, international environment.

  • Why Join Us?

  • Be part of a dynamic and innovative team at the forefront of data technology.

  •  Opportunity to shape a new team, driving impactful projects.

  • Work in a collaborative environment that values creativity and diversity.

  • Competitive salary.



  • Private medical care (fully covered).

  • MultiSport card (partially covered).

  • Team building activities.
  • #Li-Onsite


    Required Skill Profession

    Computer Occupations



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