Senior QA Engineer with .NET

GFT TECHNOLOGIES SE; Kraków; Hybrid; PLN 143,000 - 219,000; Full time

Benefits offered by this job

Hybrid work in Kraków

Medical, sports, lunch subsidies

Online training and certifications

Access to e-learning platform

Social events

Job summary

GFT TECHNOLOGIES SE in Kraków, Poland, seeks a Senior QA Engineer with .NET to define and drive the test automation strategy within a large modernization program. You will develop and maintain test automation frameworks using Playwright and .NET and integrate testing into CI/CD pipelines.

The role requires 5+ years in test automation, strong C#/.NET skills, and proficiency in SQL data validation and REST API testing. Hybrid work with office presence in Kraków is offered.

Qualifications

• 5+ years of experience in test automation and test framework development.
• Strong experience with C#/.NET and automated testing.
• Experience with unit, integration, API and end-to-end testing.
• Experience with xUnit, NUnit, Vitest or Jest.
• Experience integrating automated tests into Azure DevOps or GitHub Actions CI/CD pipelines.
• Strong SQL skills and data validation across data flows.
• Experience with REST API testing and authentication mechanisms.
• English at B2 level or higher.

Responsibilities

• Define and drive the test automation strategy within a modernization program.
• Develop and maintain test automation frameworks with Playwright and .NET.
• Create and execute unit, integration, API and end-to-end tests.
• Integrate automated testing into CI/CD pipelines (Azure DevOps / GitHub Actions).
• Validate data, business processes and data flows across SQL/data warehouse environments.
• Collaborate with developers on acceptance criteria and test coverage.
• Support user acceptance testing and release activities.

Skills

Test automation

C# / .NET

CI/CD

SQL data validation

REST API testing

Git

English (B2+)

Tools

Playwright

Azure DevOps

GitHub Actions

Job description

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Senior QA Engineer with .NET

Date: Aug 20, 2026

Location: Kraków, PL, 30-302

Working place: Hybrid

Working Location:

Type of contract: Employment contract

Salary range: 12800 - 19600 PLN gross

What will you do?

You will be responsible for defining and driving the test automation strategy within a large-scale modernization program based on Azure, .NET and React technologies. You will develop and maintain test automation frameworks, ensure software quality across the delivery lifecycle, integrate testing into CI/CD pipelines and promote quality engineering best practices across development teams.

• Design and implement test automation strategies across multiple applications
• Develop and maintain automated testing frameworks using Playwright and .NET
• Create and execute unit, integration, API and end-to-end automated tests
• Integrate automated testing into Azure DevOps CI/CD pipelines
• Validate application data, business processes and data flows across SQL and data warehouse environments
• Analyze defects, improve test reliability and monitor quality metrics
• Collaborate with developers on acceptance criteria, test coverage and code quality
• Support user acceptance testing and release activities
• 5+ years of experience in test automation and test framework development
• Strong experience with C#/.NET and automated testing
• Experience with unit, integration, API and end-to-end testing
• Experience with xUnit, NUnit, Vitest or Jest
• Experience integrating automated tests into Azure DevOps or GitHub Actions CI/CD pipelines
• Strong SQL skills and experience validating data flows and transformations
• Experience with REST API testing and authentication mechanisms
• Strong understanding of testing best practices, test data management and quality assurance processes
• Experience with Git, code reviews and clean code practices
• English at B2 level or higher

Nice to have

• Experience with Azure services and Azure Data Factory
• Experience testing ETL processes, data pipelines or data warehouses
• Knowledge of Power BI, SSRS or reporting validation
• Experience with contract testing, OpenAPI validation or performance testing tools
• Knowledge of Terraform and cloud infrastructure
• Experience with Application Insights, OpenTelemetry or monitoring solutions
• ISTQB Advanced or Azure certifications

We offer

• Hybrid work in our client's office (Kraków) 6 days a month
• Working in a highly experienced and dedicated team
• Benefit package tailored to your needs (medical, sport, lunch subsidy, life insurance, etc.)
• Online training and certifications
• Access to e-learning platform
• Social events

We are GFT Poland. WE KNOW how to tackle complex issues with innovative approach to deliver the highest value. Our reputation has been built around one simple rule: we do not overpromise, WE DELIVER. We deliver to our employees, clients and partners. WE GROW as you grow, so investing in you is our business strategy. Caring for each other is our priority. WE CARE who you are, what you need, how you feel. WE CARE to smile, have fun and develop as human beings.

Why Choose GFT?

• A culture of top performance
• Deep tech IT engineering & consulting
• 1200 skilled & top-class experts
• 77% of the team are regular/senior
• Products that contribute to a sustainable world
• Competitive salary and benefits
• Ambitious projects, trainings and tools you need to flourish
• Google Cloud Partner of the Year - for going above and beyond for customers