Test Data Engineer / Test Data Specialist

Jit Team; Warszawa; Hybrid; PLN 260,000 - 380,000; Full time

Benefits offered by this job

Flexible work arrangement

International work environment

Scandinavian culture + work-life focus

Team integration events

Job summary

Jit Team is seeking an experienced Test Data Engineer for an international Nordic-focused transformation program. You will shape end‑to‑end test data solutions in a hybrid Polish delivery setup, collaborating with testers, developers, DevOps engineers and business analysts.

The role emphasizes data masking, synthetic data, GDPR compliance and strong automation. Join an agile, cross‑functional team and contribute to cutting‑edge data provisioning in a scalable environment.

Qualifications

• 8+ years of experience in Test Data Management, Test Automation or related areas.
• Strong knowledge of SQL and relational databases.
• Experience working with mainframe environments.
• Hands‑on experience with test data generation, data masking/anonymization, data cloning, data subsetting, data extraction and transformation.
• Experience supporting automated, integration and end-to-end testing.

Responsibilities

• Design, build and maintain reusable test data assets.
• Develop automated test data provisioning solutions.
• Create self-service mechanisms enabling teams to access test data on demand.
• Implement and maintain data masking and anonymization processes.
• Ensure GDPR compliance and data governance.
• Create and maintain synthetic test datasets for various testing scenarios.
• Provide data for edge cases, negative and business-realistic scenarios.
• Provision, refresh and clone datasets across non-production environments.
• Support multiple teams performing parallel testing activities.
• Integrate test data solutions with test automation frameworks.
• Enable CI/CD-driven test data provisioning and automated regression testing.
• Monitor test data availability, usability and quality.
• Troubleshoot and resolve test data related issues and defects.
• Maintain documentation, standards and data dependency mappings.

Skills

Test Data Management

SQL

Mainframe

Python

PowerShell

Java

CI/CD

DevOps

Agile

Tools

Test Data Generation Tools

Data Masking Tools

Job description

Work model: hybrid from Gdynia / Gdańsk / Warszawa (2/3 days per week from the office)

Why choose this offer?

• You can expect a flexible work organization
• The international work environment will give you the opportunity to interact with the English language on a daily basis
• Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit)
• The Jit community will bring you a nice time during regular integration meetings

Project

Join the Home Journey initiative, a large-scale transformation program focused on improving the end-to-end customer experience of buying a home across the Nordic countries.

You will become part of an international and highly collaborative Agile environment, working closely with testers, developers, DevOps engineers and business analysts. The team's mission is to eliminate one of the biggest testing bottlenecks by ensuring reliable, compliant and readily available test data across multiple non-production environments.

This role is ideal for an experienced Test Data Engineer who combines strong technical expertise with a pragmatic approach to automation, quality assurance and data management.

Responsibilities you'll have

• Design, build and maintain reusable test data assets
• Develop automated test data provisioning solutions
• Create self-service mechanisms enabling teams to access test data on demand
• Implement and maintain data masking and anonymization processes
• Ensure compliance with GDPR and internal data governance requirements
• Create and maintain synthetic test datasets for various testing scenarios
• Generate data for edge cases, negative tests and business-realistic scenarios
• Provision, refresh and clone datasets across non-production environments
• Support multiple teams performing parallel testing activities
• Integrate test data solutions with test automation frameworks
• Enable CI/CD-driven test data provisioning and automated regression testing
• Monitor test data availability, usability and quality
• Troubleshoot and resolve test data related issues and defects
• Maintain documentation, standards and data dependency mappings

Expected competences and knowledge

• 8+ years of experience in Test Data Management, Test Automation or related areas
• Strong knowledge of SQL and relational databases
• Experience working with mainframe environments
• Hands‑on experience with: Test data generation, Data masking and anonymization, Data cloning, Data subsetting, Data extraction and transformation, Test Data Management solutions
• Experience supporting: Automated testing, Integration testing, End‑to‑End testing
• Scripting skills in Python, PowerShell, Java or similar technologies
• Understanding of CI/CD processes and DevOps practices
• Experience working in Agile delivery environments
• English proficiency at B2 level or higher

Technologies you'll work with

• SQL
• Relational Databases
• Python
• PowerShell
• Java
• DevOps Tooling
• Synthetic Data Generation Tools
• Test Automation Frameworks
• Mainframe Technologies

Client – why choose this particular client from the Jit portfolio?

Jit Team has had an over‑decade‑long relationship with the leading financial group in the Nordic countries, and we are privileged to be our client's premier partner in Poland. At present, over 200 Jit personnel are engaged in the completion of more than 60 projects for this Norwegian major provider of financial services with a global presence and a strong focus on modern technology. Our customer's work atmosphere is epitomized by the Scandinavian culture, which is conducive to people who place emphasis on work‑life balance and feedback culture. Furthermore, all projects are executed in international teams, giving constant exposure to the English language.