Test Engineer
Summary
Build and maintain automated test frameworks for a .NET 9 and React/TypeScript stack migrating to Azure, using Playwright, xUnit/NUnit, and Azure DevOps CI/CD.
At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe.
You will join the Hilda 2.0 (HTC) modernization program, responsible for migrating multiple legacy .NET applications and MSSQL databases to a modular, cloud-native Azure ecosystem. The stack includes React + TypeScript frontends, .NET 9 APIs, Azure SQL, Azure Data Factory, and Power BI. Your work will be integral to building robust and reliable testing frameworks that ensure the quality of new and migrated components throughout the entire project lifecycle.
Sounds like your kind of challenge?
#LI - Hybrid: 3x/week from the office in Kraków
- Flexible cooperation model – choose the form that suits you best
(B2B, employment contract, etc.) - Hybrid work setup – 3x/week from the office in Kraków
- Collaborative team culture – work alongside experienced professionals eager to share knowledge
- Continuous development – access to training platforms and growth opportunities
- Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more
- High quality equipment – laptop and essential software provided
- 5+ years in test automation with experience in custom framework development.
- Strong coding skills in C#/.NET and JavaScript/TypeScript.
- Hands-on experience with Playwright (or Selenium with willingness to switch).
- Unit/integration testing in xUnit/NUnit, frontend testing with Vitest/Jest.
- Azure DevOps CI/CD integration.
- Solid SQL skills (MSSQL/Azure SQL).
- REST API testing and authentication flows (Azure AD, JWT, OAuth).
- Self-driven and capable of owning the test automation roadmap.
- Knowledge of Azure services, ADF, ETL testing, Power BI verification.
- Contract testing (Pact), performance tools (k6, JMeter).
- Infrastructure as Code (Terraform) familiarity and observability (App Insights).
- Relevant certifications (ISTQB Advanced, Azure, Test Automation).
Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference.