Test Data Engineer / Test Data Specialist NEW Expert/Team Leader

Jit Team; Gdynia, Warszawa; Hybrid; PLN 138,000 - 179,000; Full time

Benefits offered by this job

Flexible work organization

International work environment

Scandinavian culture

Jit community

Job summary

Jit Team in Poland is seeking an experienced Test Data Engineer to join an international, Agile environment focused on transforming the end-to-end customer journey for Nordic home buyers.

You will design and maintain test data assets, automate provisioning, ensure GDPR compliance, and collaborate with testers, developers, and DevOps to deliver reliable data for parallel testing. The role blends strong technical work with a Scandinavian culture and ongoing training funded by Jit.

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 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

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 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

Skills

Test Data Management

Test Automation

SQL

Relational Databases

Test Data Generation

Data Masking

Data Anonymization

Data Cloning

Data Subsetting

Data Extraction & Transformation

Python

PowerShell

Java

CI/CD

DevOps Practices

Agile Delivery

English (B2)

Job description

Salary: 100-130 PLN/H on B2B

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 duringregular 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

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.

About Jit Team

The Human Factor of IT - it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts , to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams.

Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.