Automation Tester (C# .Net)
Numerator · 24 days ago
Role Overview
We are looking for an Automation Tester with a strong interest in the Microsoft .NET ecosystem to design, build, and maintain automated end-to-end (E2E) test suites for our backend services and APIs. The role requires strong attention to detail, solid problem-solving capability, and good software engineering fundamentals applied to test automation.
The role will expose you to API and service-level testing, behavior-driven development (BDD), cloud infrastructure, CI/CD pipelines, and owning the quality and reliability of software across distributed systems at scale.
Key Responsibilities
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Design, develop, and maintain automated E2E tests using C# / .NET and NUnit
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Write behavior-driven test scenarios using Reqnroll / SpecFlow (Gherkin) and shared test helpers
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Build and maintain automated REST API / Web API tests, validating status codes, payloads, and security headers
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Write clean, maintainable, and reusable test code following engineering best practices
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Investigate test failures, perform root cause analysis, and raise clear, reproducible defect reports
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Integrate and run automated tests within CI/CD pipelines and report on results
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Collaborate with backend engineers, frontend engineers, and product managers to define acceptance criteria and test coverage
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Improve test reliability, stability, execution time, and reporting/observability
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Document test approaches, coverage, and engineering decisions