Senior QA Engineer with .NET (Kraków, PL, 30-302)

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

Benefits offered by this job

Hybrid work in Kraków

Medical & life insurance

Lunch subsidy

Online training and certifications

E-learning platform

Social events

Job summary

GFT Technologies SE seeks an experienced Test Automation Engineer to shape and lead the automation strategy within a large-scale modernization program built on Azure, .NET and React. You will design, implement and maintain automation frameworks and ensure quality across delivery lifecycles.

Responsibilities include integrating tests into CI/CD pipelines, validating data flows in SQL environments, and collaborating with developers to improve acceptance criteria and test coverage.

Qualifications

• 5+ years of experience in test automation and framework development.
• Strong experience with C#/.NET and automated testing.
• Hands-on experience with Playwright and TypeScript/JavaScript.
• 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.
• Strong understanding of testing best practices, test data management and QA processes.
• Experience with Git, code reviews and clean code practices.
• English at B2 level or higher.

Responsibilities

• Define and drive the test automation strategy within a large-scale modernization program on Azure, .NET and React.
• Develop and maintain automated testing frameworks.
• 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.

Skills

Test automation

C# / .NET

Playwright

TypeScript / JavaScript

Unit testing

Testing frameworks

CI/CD pipelines

SQL

REST API testing

Git & code reviews

English proficiency

Tools

Azure DevOps

GitHub Actions

Job description

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.

Your tasks

• 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

Your skills

• 5+ years of experience in test automation and test framework development
• Strong experience with C#/.NET and automated testing
• Hands-on experience with Playwright and TypeScript/JavaScript
• 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