Senior Test Automation Engineer [.NET]

We are seeking a Senior Test Automation Engineer to join EPAM 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 background in desktop UI automation Expertise in test automation framework design from scratch using NUnit, xUnit, or SpecFlow Skills in API test automation with REST, Postman, and Swagger (gRPC is a plus) Familiarity with CI/CD integration, Git, and Agile/Scrum methodologies Competency in solid test design techniques and risk-based testing Showcase of using AI coding/testing assistants (GitHub Copilot, Claude, ChatGPT, Cursor, etc.) for building and scaling automation frameworks Ownership mindset with a proactive attitude Strong analytical and problem-solving skills, with attention to detail Capability to work effectively in distributed international teams English level – Upper-Intermediate (B2) or higher Nice to have Understanding of WPF/WebView2 testing with Playwright or Selenium Knowledge of gRPC, OPC UA, and industrial communication protocols Proficiency in SQL Background in scientific, laboratory, healthcare, or instrumentation software