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Senior Test Data Specialist

JR-55523
Published on 16 Oct 2026 by Ework Group Sp. z o.o.
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RoleIT Automation Tester
Seniority levelSenior
Locations
Gdynia (PL) or Gdansk (PL)
Remote50%
Assignment period
02 Nov 202631 Mar 2027
Application deadline
26 Nov 2026 23:59 (33 days left)
Assignment description

For our Client from banking industry we are looking for 🔹Senior Test Data Specialist🔹





Location: Warsaw, Gdańsk or Gdynia, 3 days a week from the office

Type of agreement: B2B contract



Home journey is the full process a customer goes through when buying a home in the Nordics. Being part of this project means that you will work in a diverse, highly international environment with ambitious people, working agile, determined to reach our common goal – to meet the unique needs of our customers.



We need Test Data Specialists/Engineers to execute the test data strategy, build automated solutions, support teams daily, and ensure test data is available on demand. The role 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.



Deliverables:

  • 
  • Test data engineering, create and maintain reusable test data assets, develop automated test data provisioning solutions, build self-service data delivery mechanisms
  • Data masking and compliance, implement masking and anonymization routines, ensure compliance with GDPR and internal policies, validate masked data quality and usabilityTest data creation and generation, create synthetic test datasets, generate test data for edge-cases and negative tests, maintain business-realistic data combinationsProvision test data to non-production environment, referesh, clone test dataset, support parallel testing and multiple teams
  • Integrate test data generation into automation frameworks, enable CI/CD driven test data provisioning, support automated regression execution
  • Monitor data availability and quality, resovle data related defects and issues
  • Maintain available test data, document processess, standards and data dependencies
  • 

    

    Must-Have Knowledge & Experience:

    

    • 8+ years in Test Data Management or Test Automation.
    • Strong SQL and database knowledge.
    • Knowledge of mainframe systems and set ups

    

    Experience with:

    

    • Relational databases
    • Data extraction and transformation
    • Test data generation
    • Data masking
    • Data cloning
    • Data subsetting
    • Hands-on implementation of TDM solutions.
    • Experience working in Agile teams.
    • Experience supporting automated testing, integration testing and E2E testing
    • Scripting skills (Python, PowerShell, Java, or similar).
    • Understanding of CI/CD processes and DevOps practices.

    

    Nice-to-Have Knowledge & Experience:

    

    • Experience with Tricentis Tosca TDM, Curiosity Software, Delphix, Informatica TDM
    • Financial services domain knowledge.
    • Synthetic data generation tools.
    • API testing experience.
    • Kubernetes and cloud platform knowledge.
    • AI-assisted test data creation.
    • Experience supporting large-scale E2E customer journey testing.

    

Required skills
Test Automation
Git, Jenkins
Test Data Management
Mainframe
PowerShell/Python
SQL
Preferred skills
Informatica TDM
Soap
Delphix masking software
Kubernetes
Languages
English
(Advanced)
Additional details
ClientEwork Group Sp. z o.o.
Published date16 Oct 2026
Number of positions2
Hours per week40
Rate typeHourly
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Ework Group Poland

Ework Group is a market-leading and independent competence provider operating in Sweden, Denmark, Norway, Finland and Poland. We are bridging the gap between competence and assignments. Through a vast portfolio of service and product solutions, we make competence accessible to companies, as well as assignments accessible to professionals, in order to contribute to a more dynamic, well-functioning and future proof competence market. Ework Group was founded in Sweden in 2000 and is listed on Nasdaq Stockholm. We have framework agreements with over 170 leading organizations in both the private and public sector, and over 11,000 consultants on assignment. Consultant suppliers of all sizes use Ework as a vital source of assignment on a daily basis to boost their business. From the freelancer searching for the next assignment to advance the career, to the largest consultant firms looking to complement their own customer portfolio with a steady stream of assignments for their employees. As an independent competence provider we nurture the relationship with our clients and become experts in their business, culture and competence needs. We manage the whole recruitment process and source the consultants for our clients from the open market by posting the assignments publicly on Verama. Unbiased, we match the most suitable candidates based on competence, experience and personality fit, in relation to fair market rates. Ework make it easy for you find, sign, work and get paid on a contract. You will get support from our highly dedicated employees, all the way from the recruitment process, during the assignment and the transition into the next project. With efficient and digital processes and add-on services such as pre-payment, you will not find a more convenient way of working B2B.