Senior Data Warehouse and ETL Developer – Banking Sector

Data

Senior Data Warehouse and ETL Developer – Banking Sector

Data
Centrum, Warszawa

ITDS

Full-time
B2B
Senior
Hybrid
4 615 - 5 999 USDNet per month - B2B

Job description

Unleash Innovation in Data Warehousing — Shape the Future of Financial Data Solutions!

Warsaw-based opportunity with a hybrid work model (5 remote days per week).

As a Senior Data Warehouse and ETL Developer, you will be working for our client, a leading player in the online banking sector, on the development and optimization of sophisticated data warehouse solutions. You will play a key role in designing, implementing, and maintaining data architecture that drives precise financial reporting and insightful analysis. Join a dynamic team committed to excellence and innovation in financial data management.

Your main responsibilities:

  • Design and implement ETL processes using Informatica Power Center to ensure seamless data integration.
  • Develop and maintain data warehouses and reporting data marts to support decision-making processes.
  • Participate in the implementation and integration of Informatica tools within the data landscape.
  • Create and develop BI-analytical environments to facilitate advanced data analysis.
  • Maintain and optimize Oracle databases and applications for performance and scalability.
  • Define and document technical specifications and administrative procedures.
  • Test, validate, and troubleshoot software solutions, ensuring robustness and accuracy.
  • Prepare software installation packages and support software deployment to production environments.

You're ideal for this role if you have:

  • At least 5 years of experience in data warehousing, ETL development, and Oracle-based systems.
  • Strong expertise in Informatica Power Center for ETL processes.
  • Hands-on experience with SQL, PL/SQL, and Oracle database design.
  • Knowledge of accounting and financial reporting within the banking sector.
  • Experience with automating development tasks using AI tools (e.g., Codex, Claude).
  • Practical understanding of data warehouse design for large institutions.
  • Ability to read and produce technical documentation fluently in English.
  • Strong analytical, problem-solving, and teamwork skills with a focus on quality.

It is a strong plus if you have:

  • Theoretical and practical experience with Big Data, Python, and Spark.
  • Knowledge of Business Intelligence (BI) concepts and related tools.
  • Familiarity with Agile methodologies (Scrum, Kanban).
  • Experience with SQL Developer, SVN, GitHub, JIRA, and Confluence.

Language Required for the role:

  • Polished command of Polish is essential.

Eligibility to work on this role:

  • Only candidates with an existing legal right to work in the European Union will be considered for this role.

#MAKEYourCareerBETTER
Interested? Apply now and include your CV (preferably in English), along with a statement confirming your consent to the processing and storage of your personal data.

Tech stack

    Polish

    C2

    Informatica Powercenter

    advanced

    Data Warehousing

    advanced

    PL/SQL

    advanced

    oracle database

    advanced

    SQL

    advanced

    ETL Development

    advanced

    Banking/Financial Reporting

    regular

    Python

    nice to have

    Business Intelligence

    nice to have

    Apache Spark

    nice to have

Office location