What are the responsibilities and job description for the Senior Software Test Engineer (C#) position at Intellias?
Important Note: for this position, we're currently considering candidate available to work in a hybrid model in the following locations: Detroit (Michigan), Madison (Wisconsin), and Minneapolis (Minnesota).
We are looking for a Senior Software Test Engineer to join a team developing breakthrough non-invasive medical technologies focused on histotripsy treatment systems. The role combines hands-on manual testing and automated testing in C# for complex medical device software and integrated hardware platforms.
You will be responsible for validating software functionality, system workflows, and hardware–software interactions across highly regulated medical environments. The position requires close collaboration with software, systems, and product engineering teams to ensure reliability, performance, and safety of life-critical medical solutions. Experience with embedded systems and hardware-integrated testing is considered a strong advantage.
Requirements:
- 5 years of experience in software testing or quality engineering
- Strong background in manual testing, test case design, defect management, and system-level validation
- Hands-on experience with C# and .NET for test automation
- Experience testing Windows desktop applications and hardware-connected systems
- Familiarity with source control systems and CI/CD workflows
Will be a plus:
- Experience with embedded systems and hardware–software integration testing
- Background in medical devices or other regulated industries
- Familiarity with IEC 62304, ISO 13485, and FDA-regulated development environments
- Experience with serial/network communication interfaces and device-level diagnostics
Responsibilities:
- Design, develop, and execute manual and automated software test scenarios for medical device platforms
- Create automated test cases and frameworks using C#/.NET
- Perform integration, system-level, regression, exploratory, usability, and end-to-end testing
- Validate clinical workflows and software functionality across Windows-based and connected systems
- Build automated validation suites for device communication, UI behavior, and functional workflows
- Support continuous integration (CI) pipelines and automated test execution
- Test embedded software interactions with hardware devices, sensors, and external interfaces
- Troubleshoot and validate systems using real hardware in laboratory environments
- Identify, document, and analyze defects, working closely with development teams to verify fixes
- Maintain compliance documentation including test plans, traceability records, validation reports, and FDA-aligned quality standards