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Intellias · IT - Software Development

Senior Software Test Engineer (C#)

United States · Job Posted May 17, 2026
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Job Description

Senior Software Test Engineer responsible for manual and automated testing of medical device software systems, including development of C#-based automated tests, execution of system-level validation, and verification of hardware–software interactions. Contributes to delivery of safe, reliable, and high-quality healthcare solutions in a regulated environment.

Job Responsibility

  • Design, develop, and execute: Manual test scenarios, Automated test cases in C#, Integration and system-level validation procedures
  • Validate software functionality for medical device platforms and clinical workflows
  • Perform regression, exploratory, usability, and end-to-end testing across Windows-based environments and connected systems
  • Develop and maintain automated test frameworks and test utilities using C#/.NET
  • Create automated validation suites for: Device communication, Functional workflows, UI and system behavior
  • Support continuous integration and automated execution pipelines
  • Validate interactions between: Embedded software, Hardware devices, Sensors and external interfaces
  • Perform troubleshooting and testing in laboratory environments using real hardware systems
  • Support system integration and verification activities for connected medical devices
  • Identify, reproduce, and document defects with clear root-cause analysis details
  • Collaborate with development teams to investigate complex software and system issues
  • Verify fixes and support release validation activities
  • Create and maintain: Test plans, Test protocols, Traceability documentation, Validation reports
  • Contribute to verification activities in regulated environments aligned with FDA and medical device quality standards

Requirements

  • 5+ years of experience in software testing or software quality engineering
  • Strong experience in: Manual testing, Test case design, Defect management, System-level validation
  • Hands-on experience with C# and .NET for test automation
  • Experience testing desktop or hardware-connected applications on Windows platforms
  • Familiarity with source control systems and CI/CD practices

Nice to have

  • Experience with: Embedded systems
  • Hardware–software integration testing
  • Medical devices or other regulated industries
  • Familiarity with: IEC 62304
  • ISO 13485
  • FDA-regulated development environments
  • Experience with serial/network communication interfaces and device-level diagnostics
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