Principal Software Test Engineer

Principal Software Test Engineer

We are seeking a Principal Software Test Engineer to conduct comprehensive performance testing across our software product portfolio, including medical devices with embedded software and associated web applications. This role is pivotal in designing and leading the technical development and direction of the functional group, ensuring software performance meets business objectives.

Responsibilities

• Conduct comprehensive performance testing across the software product portfolio, including medical devices with embedded software and web applications.
• Design and lead the technical development, direction, and effectiveness of the functional group.
• Track and report performance test results, performance metrics, and ensure software performance meets business objectives.
• Remain hands-on and contribute to multiple codebases, providing technical leadership within Agile teams.
• Collaborate with architects to drive performance testing standards and optimize performance, scalability, and reliability.
• Design and execute various non-functional test scenarios for performance, load, scalability, reliability, and endurance testing.
• Utilize data analytics to determine product usage characteristics and patterns.
• Implement and maintain software automation tools based on software development technologies.
• Advise the functional group on software test automation feasibility, process improvements, and maintenance plans.
• Demonstrate expertise in computer science fundamentals such as design patterns, data structures, OOP, and software design.
• Demonstrate expert-level application of Source Code Management tools.
• Design frameworks and implement design patterns to support performance testing.
• Support performance testing activities at all levels of the test pyramid.
• Coordinate with third-party partners in developing and executing performance testing.
• Collaborate across teams to enhance CI/CD techniques.
• Train and coach the functional group on developing automated software performance tests and creating build pipelines.
• Identify test data requirements and design, develop, and manage dynamic software test data creation.
• Organize and control the software testing process to deliver high-quality software.
• Create training documentation and conduct knowledge transfer sessions for the functional group.
• Troubleshoot environmental setup issues related to performance testing.
• Collaborate effectively with peer engineers and architects to solve complex problems.
• Review and approve code/test pull requests.
• Participate in all levels of testing as required.
• Drive discussions for determining the appropriate level at which to test implemented functionality.
• Demonstrate mastery of software performance test techniques.

Essential Skills

• Minimum 8 years of experience in an SDET role, with at least 5 years of experience in performance testing.
• Experience with APIs, microservices architecture, and cloud platforms like Azure, AWS, or GCP.
• Solid understanding of HTTP protocols, web technologies, and REST APIs.
• Familiarity with performance monitoring and analysis tools like Grafana.
• Proficient in object-oriented programming and applications/embedded software development with languages like .NET C#, C++, and Python.
• Proficient in performance testing using tools like JMeter.

Additional Skills & Qualifications

• Experience in developing automated software performance tests.
• Ability to create and manage dynamic software test data.
• Skills in troubleshooting environmental setup issues.

Work Environment

You will work with other SDETs and QA professionals locally and globally, contributing to a transformational growth in the R&D organization.

Pay and Benefits

The pay range for this position is $130000.00 - $163000.00/yr.

Financial & Retirement: 401(k) plan: Terumo provides a 401(k) plan to help employees build a secure financial future. Competitive Wages: Terumo is committed to offering competitive wages and incentive programs. Disability and Life Insurance: Financial protection programs are available for eligible associates.

Workplace Type

This is a hybrid position in Lakewood, CO.

Application Deadline

This position is anticipated to close on Sep 25, 2025.