Senior Test Data Specialist
At OPTIVEUM sp. z o.o. · Warsaw; Warsaw, Poland; Gdańsk; Gdańsk, Poland; Gdynia, Poland; Łódź; Łódź, Poland
- DevOps and infrastructure
- Senior
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Where you’ll work
Hybrid, based in Gdańsk, Warsaw or Łódź
“Warsaw”
From the location.
“Warsaw, Poland”
From the job board field.
“Gdańsk”
From the location.
“Gdańsk, Poland”
From the job board field.
“Gdynia, Poland”
From the job board field.
“Łódź”
From the location.
The job board lists it as hybrid.
Hybrid means some days in the office. The listing says how many, and where.
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- Posted
- 19 October 2026
- First seen by us
- 20 October 2026
- Last checked
- 9 hours ago
Job description
From OPTIVEUM sp. z o.o.’s job post, as they wrote it.
Senior Test Data Specialist
About the Offer
We 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.
Read the full description
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 creation
* API testing experience (incl. SOAP)
* Kubernetes and cloud platform knowledge
* Experience supporting large-scale E2E customer journey testing
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