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

📌 Software Engineer in Test (Argentina)
🏢 Ascendum System Private
📍 Argentina