Software Engineer in Test

Ascendum is seeking a Senior QA Engineer / SDET in Argentina with strong experience in C#-based test automation to design, implement, and maintain automated testing solutions for web and API applications. The role focuses on building reliable, scalable automation frameworks integrated into Azure DevOps CI/CD pipelines within a Microsoft/.NET-centric environment.

Responsibilities

• Develop and maintain UI automation using C# and Playwright for .NET

• Implement and maintain BDD automation using ReqNRoll (SpecFlow successor)

• Develop API automation tests using C# (e.g., RestSharp)

• Integrate automated tests into Azure DevOps Pipelines (CI/CD)

• Configure and maintain Allure test reporting within CI pipelines

• Ensure test suite stability by designing flake-resistant, maintainable tests

• Validate applications across:

• ASP.NET MVC and Web API backends

• Angular front-end applications

• Background jobs and services (Hangfire, Windows Services)

• Collaborate with development and DevOps teams to embed quality into the SDLC

• Maintain automation code in source control and follow engineering best practices

• Support test execution, analysis, and defect reporting using Azure DevOps

Qualifications

• Strong proficiency in C# and .NET

• Hands-on experience with Playwright for .NET or Selenium with C#

• Experience implementing BDD frameworks (ReqNRoll preferred, SpecFlow acceptable)

• Experience with API testing in C# (RestSharp or similar)

• Experience with Azure DevOps, including Pipelines (CI/CD)

• Test Plans

• Work item tracking

• Experience integrating automated tests into CI pipelines

• Solid understanding of automated test design and maintenance

Required Skills

• Programming Language: C#

• UI Automation: Playwright for .NET, Selenium

• BDD: ReqNRoll, SpecFlow

• API Testing: RestSharp

• CI/CD: Azure DevOps Pipelines

• Test Management: Azure DevOps Test Plans

• Reporting: Allure

• Frontend: Angular

• Backend: ASP.NET MVC / Web API

• Background Processing: Hangfire, Windows Services

Preferred Skills

• Experience with additional testing tools and frameworks

• Knowledge of cloud services and deployment strategies