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Mid-Level Data Warehouse and ETL Developer – Oracle and Informatica Expert
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Offer summary

(Summary generated by AI based on the full job description)

The project focuses on online banking systems and building scalable data warehouses and BI solutions. Core technologies include Informatica PowerCenter, Oracle (SQL, PL/SQL) with optional Snowflake and Python. Responsibilities cover designing and implementing data warehouses, developing and optimizing ETL, designing databases and analytical data marts, building BI solutions and dashboards, reviewing solution quality, preparing documentation, supporting testing and deployments, and participating in system improvements.

new

Mid-Level Data Warehouse and ETL Developer – Oracle and Informatica Expert

Company: ITDS Polska Sp. z o.o.

from: 29 September 2026
to: 29 October 2026
14 700 - 18 900 złnet (+ VAT)/ mth.B2B contract (full-time)
13 000 - 14 000 złgross/ mth.contract of employment
Offer parameters
level:mid
working mode:hybrid
location:Warszawa, Masovian
Warszawa, Masovian

Requirements

Expected technologies

Informatica PowerCenter
Oracle
SQL
PL/SQL
Oracle RDBMS

Optional technologies

Snowflake
Python
Claude
Codex
JIRA
Confluence
GitHub
SVN

Our requirements

  • At least 6 months of experience designing, implementing, and deploying ETL solutions with Informatica PowerCenter
  • Minimum 1 year of experience developing information systems within an Oracle database environment
  • Strong proficiency in SQL and practical knowledge of PL/SQL
  • Knowledge of Oracle RDBMS, data warehouse design, and analytical data marts
  • Understanding of software engineering principles and development methodologies
  • Good command of Polish language for professional communication
  • Communicative level of English, capable of understanding technical documentation
  • Eligibility to work in Europe

Optional

  • Knowledge of Snowflake and Python
  • Experience working with AI tools such as Claude or Codex
  • Practical understanding of Big Data technologies
  • Familiarity with Agile methodologies and tools such as JIRA, Confluence, GitHub, or SVN

Your responsibilities

  • Lead the design and implementation of data warehouses and information systems tailored to business needs
  • Develop and optimize ETL processes using Informatica PowerCenter to ensure high data quality and performance
  • Design and maintain databases, reporting, and analytical data marts to support business intelligence initiatives
  • Collaborate on the development of BI solutions, including analytical environments and dashboards
  • Review and validate the quality of solutions delivered by team members, ensuring adherence to best practices
  • Prepare technical specifications, project documentation, and support deployment activities
  • Support testing, validation, and software handover processes to production environments
  • Participate in ongoing system improvements and technical innovation projects

About the project

As an IPC Developer, you will be working for our client, a leader in online banking dedicated to supporting complex financial environments through cutting-edge data warehousing and business intelligence solutions. Join a team committed to delivering scalable, reliable, and impactful data systems that drive strategic decision-making and operational excellence.

#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.
Company

What we offer

  • Stable and long-term cooperation with very good conditions
  • Enhance your skills and develop your expertise in the financial industry
  • Work on the most strategic projects available in the market
  • Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of ITDS over several years
  • Participate in Social Events, training, and work in an international environment
  • Access to attractive Medical Package
  • Access to Multisport Program
  • Access to Pluralsight
  • Flexible hours

Benefits

  • sharing the costs of sports activities
  • private medical care
  • flexible working time
  • fruits
  • integration events
  • corporate gym
  • saving & investment scheme
  • no dress code
  • coffee / tea
  • drinks
  • christmas gifts
  • birthday celebration
  • sharing the costs of a streaming platform subscription
  • access to +100 projects
  • access to Pluralsight

Recruitment stages

  • 1.
    first online interview
  • 2.
    second online interview

ITDS Polska Sp. z o.o.

ITDS supports financial service providers to take the next steps.
We identify what’s possible, every day. Opportunities in the areas of technology, organization, and digitization.
We see where banks, insurers, payment companies, or fintech can go and how they can get there.
That’s why we want to stimulate you to ramp up your ambition. Forget what you perceive as restraints and step towards the new reality.
ITDS in Poland - Pure player in new Technologies & Financial Industry
+300 IT implementation professionals
+20 clients in the Banking, Insurance, Payment & Fintech Industry
ITDS excels in digital strategy delivery and implementation of best-of-breed lending solutions. ITDS has delivered successful strategic projects throughout Europe since 1998. We combine the experience we’ve accumulated with in-depth knowledge of technologies, business processes, and EU legislation to unlock new business opportunities.

This is how we work

Mid-Level Data Warehouse and ETL Developer – Oracle and Informatica Expert
13k–14k zł / mth. (CoE), 14.7k–18.9k zł / mth. (B2B)
I apply to:
ITDS Polska Sp. z o.o.
Warszawa, Masovian
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