Sr. Software Test Engineer

Company & Job Overview:

Diality Inc, a privately held medical device company located in Irvine, CA is committed to improving the quality of life for patients with kidney disease. We are developing a smart, flexible, portable hemodialysis machine that will enable patients to self-treat at home or wherever they travel. The extremely versatile hemodialysis solution will allow more patients to benefit from their true dialysis prescription at home or in a variety of care settings, including nursing homes, hospitals, and dialysis centers, without the need for pre-mixed dialysate bags or external water-treatment systems.

The Senior Software Test Engineer will be a key contributor to the verification and validation testing of our medical devices, ensuring the highest standards of software quality and compliance.

Responsibilities:

Test Planning, Strategy & Execution

• Develop and implement test plans, test cases, and test strategies based on software requirements and design specifications.
• Define and maintain testing methodologies, frameworks, and best practices.
• Identify test automation opportunities and contribute to automation strategies.
• Conduct manual and automated testing to verify software against software requirements.

Test Automation & Tools

• Design, develop, and maintain automated test framework using Python and related tools and packages.
• Enhance test efficiency through automation frameworks and scripting.

Defect Management & Debugging

• Identify, document, and track software defects using bug tracking tools.
• Collaborate with developers to reproduce, troubleshoot, and resolve software defects.

Collaboration & Communication

• Work closely with software developers, product managers, and system engineering teams to ensure alignment in software requirements and test result expectations.
• Participate in code reviews, design discussions, and risk assessments.

Documentation & Reporting

• Maintain detailed test documentation, including test plans, test cases, and test reports.
• Provide test execution reports, defect summaries, and software quality metrics.

Qualifications & Requirements

• Bachelor or Master degree in Computer Science, Software Engineering, or a related field, with a minimum of 5 years of experience in software development.
• Proficiency in Python programming language in a complex code-based infrastructure.
• Experience with test automation frameworks and related tools.
• Understanding communication protocols such as CAN, Serial, Ethernet, etc.
• Familiarity with Git, Jira, or similar tools for version control and issue tracking.
• Experience using a software IDE for software development and debugging.
• Ability to adapt to shifting priorities and work in a dynamic environment.
• Teamwork and ability to engage in team discussions and align with team decisions.
• Strong critical thinking, analytical, and problem-solving abilities with attention to detail.
• Strong communication skills and willingness to learn.
• Experience with oscilloscopes, multimeters, or other test equipment is a plus.
• Familiarity with IEC 62304 Medical Device Software Development Life Cycle (SDLC) standards is a plus.
• Experience in medical devices or other regulated industries is a plus.

Physical Demands:

• ​Sustained periods of time standing and sitting in a laboratory​
• Sitting at a desk utilizing a computer
• Some lifting of < 25 pounds

Working Environment:

• Typical office areas with offices, cubicles and conference rooms. Typical laboratory and chemical storage areas which may contain hazardous compounds requiring adherence to safe handling practices.

Travel:

• Willingness to travel domestically as needed (up to 10%) primarily to visit vendors and attendance at select conferences.​