Senior Test Automation Engineer (.NET)

EPAM Systems Inc; United States; Remote; USD 110,000 - 140,000; Full time

Job summary

EPAM Systems Inc. seeks a Senior Test Automation Engineer for a Windows desktop app used in FTIR and Raman spectroscopy instruments. You will design and implement automated UI/API tests and integrate them into CI/CD pipelines.

Bring 5+ years of C#/.NET automation, desktop UI experience, and frameworks like NUnit/xUnit/SpecFlow. Familiarity with REST, AI-assisted tools, and Agile practices is expected.

Qualifications

• 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.
• 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.

Responsibilities

• Design, develop, and maintain the test automation framework for a WPF/WebView2 desktop application.
• 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.

Skills

C#/.NET

Desktop UI automation

CI/CD

Git

Agile/Scrum

API testing

NUnit/xUnit/SpecFlow

AI testing tools

SQL

Playwright/Selenium

gRPC/OPC UA

English (B2+)

Tools

Postman

Swagger

GitHub Copilot

Cursor

Claude

ChatGPT

Playwright

Selenium

Job description

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