Associate Software Test Engineer

HistoSonics is a commercial-stage medtech company advancing the Edison® System, a novel non-invasive sonic beam therapy based on histotripsy. Since receiving FDA De Novo grant for the non-invasive destruction of liver tumors in 2023, the company has progressed beyond initial market entry into commercial expansion, reimbursement momentum, and ongoing clinical and pipeline development. In addition to its current liver tumor indication, HistoSonics is pursuing future indications across multiple applications including kidney, pancreas, prostate, neuro, women’s health, and other significant underserved human health areas, to realize the broader potential histotripsy across multiple disease states and medical specialties.

We offer an exciting work culture where cutting-edge science meets real-world application, and each team member’s contribution is important to our success in ensuring our physicians and their patients get what they need most.

Location: Plymouth, MN or Ann Arbor, MI (On-Site)

Position Summary (Why this role matters):

The Associate Software Test Engineer plays a critical role in ensuring the quality and reliability of HistoSonics’ software products. This role is responsible for designing, developing, and executing exploratory, integration, verification, and automated tests throughout the software development lifecycle. The engineer collaborates cross-functionally to participate in design reviews, perform risk analysis, and identify potential issues early.

In addition, this position drives quality by troubleshooting defects, implementing corrective actions, and tracking key software quality metrics. By proactively monitoring all stages of development, the Associate Software Test Engineer helps identify, resolve, and prevent software issues—ensuring products meet the highest standards of performance, safety, and reliability.

Key Responsibilities (What you'll do):

• Interact with product development teams to develop a strong understanding of the project and testing objectives
• Work with design team in defining requirements to ensure testability of software
• Work with software team defining architecture to ensure testability of software
• Estimate, prioritize, plan and coordinate testing activities
• Create test plan and test cases based on requirements
• Develop and execute automated and unit tests/plans and analyze and report test results
• Participate in design reviews and risk assessment meetings
• Setup test environment (hardware, software and network)
• Test software releases by executing assigned tests (manual and/or automated)
• Document, track and manage defects through defect tracking system
• Participate in troubleshooting and risk assessment of defects with design team to identify root cause and resolution
• Perform thorough regression testing when defects are resolved
• Track software quality assurance metrics, like defect densities and open defect counts
• Ensure all applicable tasks are performed in compliance with the Quality Management System
• Participate in continuous improvement of the Quality System, software development and testing procedures
• Other duties as assigned by the Software Test Manager 

 Qualifications and Skills:

• Bachelor’s degree in Computer Science, Mathematics, Engineering, or a related field
• 0–2 years of experience in software testing or other areas of the software development lifecycle (SDLC), preferably involving medical device instrumentation and analysis
• Experience with programming or scripting languages such as C#, Java, or VBScript
• Understanding of automated test frameworks
• Basic knowledge of electrical and mechanical engineering principles
• Experience working with multiple operating systems, with an emphasis on Microsoft Windows
• Familiarity with databases such as Microsoft SQL Server
• Experience with performance and stress testing tools
• Experience using source code control systems
• Experience with defect tracking systems
• Strong ability to prioritize and manage multiple tasks and projects effectively
• Detail-oriented with strong analytical and problem-solving skills
• Team-oriented, self-motivated, and able to quickly learn and collaborate across interdisciplinary teams

Benefits: We offer a comprehensive benefits package for full-time employees. This includes health, dental, and vision insurance, life, short-term and long-term disability insurance, 401(k), paid time off, and more.

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

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