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Ework Group

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Performance Tester - JMeter - Short-term Contract

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  • We are looking for a Senior Performance Tester 🔹

Location: Warsaw. Poland – remote, hybrid or on-site.
Start date: ASAP
End client: Polish public sector organization in the education field

Type of agreement: B2B contract, temporary assignment (4–5 months); no confirmed extension at this stage


Ework Group
— founded in 2000, listed on Nasdaq Stockholm, with around 13,000 independent professionals on assignment — we are the total talent solutions provider who partners with clients, in both the private and public sector, and professionals to create sustainable talent supply chains.

With a focus on IT/OT, R&D, Engineering and Business Development, we deliver sustainable value through a holistic and independent approach to total talent management.

By providing comprehensive talent solutions, combined with vast industry experience and excellence in execution, we form successful collaborations. We bridge clients and partners & professionals throughout the talent supply chain, for the benefit of individuals, organizations and society.

We offer:

  1. B2B agreement
  2. Transparent working conditions with both Ework and the client
  3. Current support during our cooperation
  4. Possibility to work in an international environment
  5. Collaborative environment in Swedish organizational culture
Requirements & Preferred experience
  • Fluent Polish
  • Experience in requirement analysis, test case design and test execution
  • At least 6 years of hands-on performance testing experience
  • Strong hands-on experience with Apache JMeter — maintaining, extending and executing performance test scripts
  • Experience testing monolithic web applications built on .NET and Microsoft SQL Server, including Windows Services
  • Practical knowledge of:
    - Microsoft SQL Server and SQL scripting
    - Windows and Windows Services
    - Infrastructure monitoring tools (Azure Portal, Grafana, Dynatrace or equivalent)
    - Shell commands (cmd, bash or PowerShell)
    - API testing tools (Postman, SoapUI or equivalent)
    - Web browser dev tools for performance analysis
    - Defect management tools (Azure DevOps, Jira)
  • Knowledge of Playwright or another UI-level performance testing tool is a strong plus

Skills

See also

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