Senior Test Data Engineer: Automate & Deliver Trusted Data

b2bnetwork; Warszawa; On-site; PLN 180,000 - 240,000; Full time

Job summary

b2bnetwork is seeking a Test Data Specialist/Engineer to lead test data strategies for a Nordic home journey project. You will work with testers, developers, DevOps, and analysts to ensure on-demand, trustworthy test data; drive data masking, synthetic data generation, and CI/CD integration in an agile setup.

Candidates should have 8+ years in TDM or test automation, strong SQL, mainframe knowledge, and experience with relational databases, data masking, and data provisioning across

Qualifications

• 8+ years in Test Data Management or Test Automation.
• Strong SQL and database knowledge.
• Knowledge of mainframe systems and setups.
• Relational databases
• Data extraction and transformation
• Data masking
• Data cloning
• Data subsetting
• Hands-on implementation of TDM solutions.
• Experience working in Agile teams.
• Experience supporting: Automated testing, Integration testing, E2E testing
• Scripting skills (Python, PowerShell, Java, or similar).
• Understanding of CI/CD processes and DevOps practices.
• Synthetic data generation tools and test automation tools.
• Language: English (B2 or higher)

Responsibilities

• Test data engineering: create and maintain reusable test data assets.
• Develop automated test data provisioning solutions and self-service data delivery mechanisms.
• Data masking and compliance: implement masking and anonymization routines; ensure GDPR compliance.
• Test data creation and generation: create synthetic test datasets for edge cases and negative tests.
• Provision test data to non-production environments; refresh and clone test datasets.
• Integrate test data generation into automation frameworks; support CI/CD driven provisioning.
• Monitor data availability and quality; resolve data defects.
• Maintain available test data and document processes, standards and data dependencies.

Skills

Test Data Management

Test Automation

SQL

Mainframe knowledge

Agile experience

Scripting (Python, PowerShell, Java)

CI/CD/DevOps understanding

English (B2+)

Tools

Delphix

Kubernetes

Cloud platforms

API testing tools

Job description

b2bnetwork is seeking a Test Data Specialist/Engineer to lead test data strategies for a Nordic home journey project. You will work with testers, developers, DevOps, and analysts to ensure on-demand, trustworthy test data; drive data masking, synthetic data generation, and CI/CD integration in an agile setup.

Candidates should have 8+ years in TDM or test automation, strong SQL, mainframe knowledge, and experience with relational databases, data masking, and data provisioning across