Senior Test Automation Engineer (.NET)

We are looking for a Senior Test Automation Engineer (.NET) to join our team in building a next-generation Windows 11 desktop application for FTIR and Raman spectroscopy instruments. The project modernizes several legacy applications into a unified platform with improved architecture, UX, and scalability for laboratory environments. Responsibilities Design, develop, and maintain the test automation framework for a WPF/WebView2 desktop application, applying AI-assisted development to accelerate framework build-up and to keep it easy to extend as test coverage grows Automate UI, API (gRPC/REST), and integration test scenarios Integrate automated suites into Azure DevOps CI/CD pipelines Define automation strategy, coverage goals, and reporting Validate instrument-integrated workflows together with manual QA Analyze failures, investigate defects, and maintain suite stability Collaborate with developers, architects, product owners, and DevOps Leverage AI-assisted tools for test design, coverage analysis, defect investigation, and rapid authoring of new automated tests Requirements 5+ years of experience in test automation with strong proficiency in C#/.NET Hands-on experience in desktop UI automation Experience in test automation framework design from scratch using NUnit, xUnit, or SpecFlow Experience in API test automation with REST, Postman, and Swagger Skills in CI/CD integration, Git, and Agile/Scrum Knowledge of solid test design techniques and risk-based testing Experience using AI coding/testing assistants such as GitHub Copilot, Claude, ChatGPT, or Cursor for building and scaling automation frameworks Proficiency in English at a B2+ level Nice to have Familiarity with WPF/WebView2 testing, Playwright, or Selenium Knowledge of gRPC, OPC UA, and industrial communication protocols Proficiency in SQL Background in scientific, laboratory, healthcare, or instrumentation software