Senior Test Data Specialist

Senior Test Data Specialist

About the OfferWe are currently looking for a Senior Test Data Specialist to join the team of our client from the banking industry. For this role, Optiveum is the recruitment and contracting party, which means you will sign the cooperation agreement directly with us.

You will be part of the Home Journey project, covering the full process a customer goes through when buying a home in the Nordics. You will work in a diverse, highly international environment with ambitious people, working agile, determined to reach a common goal: meeting the unique needs of customers.

The role focuses on executing the test data strategy, building automated solutions, supporting teams daily and ensuring test data is available on demand. You will work closely with testers, developers, DevOps engineers and business analysts to remove one of the largest bottlenecks in testing: obtaining and maintaining trustworthy test data.

Key Details:

Rate: up to 115 PLN/h net (B2B)

Work Model: hybrid, 3 days a week from the office

Location: Warsaw, Gdańsk or Gdynia

Responsibilities:

Test data engineering: create and maintain reusable test data assets, develop automated test data provisioning solutions and build self-service data delivery mechanisms

• Data masking and compliance: implement masking and anonymization routines, ensure compliance with GDPR and internal policies, and validate masked data quality and usability
• Test data creation and generation: create synthetic test datasets, generate data for edge cases and negative tests, and maintain business-realistic data combinations
• Provisioning: provision test data to non-production environments, refresh and clone test datasets, and support parallel testing across multiple teams
• Automation and CI/CD: integrate test data generation into automation frameworks, enable CI/CD-driven test data provisioning and support automated regression execution
• Monitor data availability and quality, and resolve data-related defects and issues
• Maintain available test data and document processes, standards and data dependencies
• Requirements:8+ years of experience in Test Data Management or Test Automation
• Strong SQL and relational database knowledge
• Knowledge of mainframe systems and setups
• Experience with data extraction and transformation, test data generation, data masking, cloning and subsetting
• Hands-on implementation of TDM solutions
• Scripting skills (Python, PowerShell, Java or similar)

Understanding of CI/CD processes and DevOps practices (Git, Jenkins)

Experience supporting automated, integration and E2E testing

• Experience working in Agile teams
• Advanced English
• Nice to have:

Experience with Tricentis Tosca TDM, Curiosity Software, Delphix or Informatica TDM

Financial services domain knowledge

Synthetic data generation tools and AI-assisted test data creationAPI testing experience (incl. SOAP)

Kubernetes and cloud platform knowledge

Experience supporting large-scale E2E customer journey testing