Principal SDET - Performance Test Engineer
Apply now »Date: Jun 26, 2025
Location: Lakewood, CO, US
Company: Terumo BCT, Inc.
Requisition ID: 33941
At Terumo Blood and Cell Technologies, our 7,000+ global associates proud to come to work each day, knowing that what we do impacts the lives of patients around the world. For Terumo, for Everyone, Everywhere.
We make medical devices and related products that are used to collect, separate, manufacture and process various components of blood and cells. With our innovative technologies and service offerings, we touch a patient’s life every second of every day and are committed to continuing to increase the number of patients we serve. Advancing healthcare with heart.
With some of the best and brightest minds in the industry, an unmatched global footprint, comprehensive benefits and a distinct culture, Terumo Blood and Cell Technologies is a great place to work, grow and be part of a team that is focused on making a difference. Join us and help shape wherever we go next. You create your future and ours.
JOB TITLE: Principal SDET – Performance Test Engineer
JOB SUMMARY
The Principal SDET - Performance Test Engineer holds a vital role in our medical device company, committed to improving patient outcomes through cutting-edge, life-saving technology. This position demands close collaboration with architects and team leaders, where the individual will provide technical leadership and drive organizational change. This position’s core responsibilities include performance testing strategy and planning, design and development of automated scripts, execution of testing, analyzing results, and metrics reporting for TBCT software systems developed within the R&D department, ensuring that we successfully exceed performance requirements and maximize our business effectiveness. This role will effectively collaborate with internal and external teams, business and IT management, consultants, and other stakeholders to ensure performance requirements are met. This role will routinely exercise independent judgment in developing effective methods, techniques and criteria for achieving objectives. This role will use deep experience to develop strategy and set direction.
ESSENTIAL DUTIES
- Conducts comprehensive performance testing across our entire software product portfolio including medical devices with embedded software and associated managing Web applications.
- Design and lead the technical development, direction and effectiveness of the functional group.
- Meet software performance requirements and overall business objectives by tracking and reporting performance test results, performance metrics (response times, error rates, throughput, CPU and memory utilization, latency, etc).
- Remain hands-on, contributing to multiple codebases, while also providing technical leadership within the Agile teams.
- Works beyond routine nature of tasks. Is forward thinking; designing efficient and effective solutions through thoughtful planning.
- Collaborate with the 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 functional group on software test automation feasibility, implementation, process improvements and maintenance plans.
- Demonstrates expert level computer science fundamentals such as design patterns, data structures, OOP and software design.
- Demonstrates expert level application of Source Code Management tools.
- Designs frameworks and implements design patterns to support performance testing.
- Supports performance testing activities at all levels of the test pyramid.
- Coordinates with third-party partners in developing and executing performance testing.
- Collaborates across teams to enhance Continuous integration/ Continuous Delivery (CI/CD) techniques across teams.
- Trains and coaches 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.
- Organizes and controls the software testing process to help deliver high quality software.
- Creates training documentation & conducts knowledge transfer sessions for functional group.
- Troubleshoots environmental set-up issues related to performance testing.
- Collaborates effectively with peer engineers and architects to solve complex problems spanning their respective areas to deliver end-to-end quality.
- Review and approve code/test pull requests.
- Participates in all levels of testing as required.
- Drives discussions for determining appropriate level at which to test the implemented functionality.
- Demonstrates mastery of software performance test techniques.
OTHER DUTIES AND RESPONSIBILITIES
- Manages and provides leadership for the functional group’s development, direction, and effectiveness, adhering to organizational policies and processes and supporting overall business and corporate objectives.
- Collaborates with regulatory and quality peers to improve processes to support industry and Company regulatory and software quality standards.
- Oversight of SQA/Testing Activities: Take responsibility for supervising Software Quality Assurance (SQA) and testing activities across all teams, ensuring consistency in best practices organization-wide. Emphasize maintainability, reusability, and scalability of tests to facilitate seamless integration across various projects.
MINIMUM QUALIFICATION REQUIREMENTS
Education
Bachelor’s degree in Computer Science, Engineering or, equivalent of education and experience sufficient to successfully perform the essential functions of the job may be considered.
Experience
Minimum 8 years experience in an SDET role; with at least 5 years experience in Performance Testing.
Skills
- Experience with APIs, microservices architecture, and cloud plaforms like Azure, AWS, or GCP.
- Solid understanding of HTTP protocols, Web technologies, and REST APIs
- Familiarity with performance monitoring and analysis tools like Prometheus and 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.
- Strong analytical skills for interpreting performance test results and diagnosing system performance issues.
- Experience implementing solutions to maximize test efficiency.
- Proficient in prescribing and implementing automated performance testing principles and best practices for unit, component, interface, and system level tests.
- Ability to assimilate knowledge quickly with a strong sense of urgency and enthusiasm.
- Excellent communication skills, with the ability to present findings to technical and non-technical stakeholders.
- Demonstrated team-oriented behavior and ability to work well in collaborative relationships.
- Encourages others to learn and adopt new technologies.
- Pushes self and helps others achieve results.
- Provides timely and helpful information to others across the organization.
- Takes constructive action to navigate difficulties or obstacles.
- Manages the risk that comes with moving forward when the outcome isn’t certain.
- Decisively makes high-quality decisions, even when based on incomplete information or in the face of uncertainty.
- Balances the interests of multiple stakeholders.
- Settles differences in productive ways with minimum noise.
-Or-
An equivalent competency level acquired through a variation of these qualifications may be considered.
PHYSICAL REQUIREMENTS
Typical Office Environment requirements include reading, speaking, hearing, close vision, walking, bending, sitting, and occasional lifting up to 20 pounds.
The physical demands described here are representative of those that must be met by an associate to successfully perform the essential duties of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential duties.
Target Pay Range: $130,500.00 to $163,100.00 - Salary to be determined by the education, experience, knowledge, skills, and abilities of the applicant, internal equity, and alignment with market data
Target Bonus on Base: 15.0%
At Terumo Blood and Cell Technologies, we provide competitive total reward offerings that consist of compensation, benefits, recognition, along with a wealth of other well-being, work-life and recognition programs which support in unlocking the potential for you and your family. Included in our expansive list of benefits offerings are multiple group medical, dental and vision plans, a robust wellness program, life insurance and disability coverages, also a variety of voluntary programs such as group accident, hospital indemnity, critical illness, pet insurance and much more. To help you save for retirement, we offer a 401(k) plan with a matching contribution and for work-life balance we have vacation and sick time programs for associates. For us, it’s about protecting the personal welfare of our associates and their families, helping to achieve personal goals and offering those extra touches for convenience, security and overall peace of mind.
- Terumo Blood and Cell Technologies is part of Terumo Group, founded in 1921 and headquartered in Tokyo, Japan.
- In 2019, Terumo Blood and Cell Technologies reached $1 billion in revenue.
- We employ nearly 7,000 associates globally, with global headquarters in Lakewood, CO, U.S., and regional headquarters in Brussels, Buenos Aires, Singapore and Tokyo.
- We manufacture devices, disposable sets and solutions at our facilities in Belgium, India, Japan, Northern Ireland, the U.S. and Vietnam. Our global presence enables us to serve customers in more than 130 countries.
- Our core values help set our direction, guide our actions and keep us true to our corporate mission of contributing to society through healthcare.
- Respect – Appreciative of others
- Integrity – Guided by our mission
- Care – Empathetic to patients
- Quality – Committed to excellence
- Creativity – Striving for innovation
- We contribute to the Leukemia and Lymphoma Society (LLS), raising $1.3 million USD since 2007.
We are proud to be an Equal Opportunity Affirmative Action Employer. All applicants will be afforded equal opportunity without discrimination because of race, color, religion, sex, gender identity or expression, sexual orientation, marital status, order of protection status, national origin or ancestry, citizenship status, age, physical or mental disability unrelated to ability, military status or an unfavorable discharge from military service.
Terumo Blood and Cell Technologies is committed to providing a safe, healthy and secure working environment. Our Colorado campus locations are tobacco-free workplaces, and we maintain a drug-free workplace and perform pre-employment substance abuse testing and detailed background verification.
Nearest Major Market: Denver
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Testing, Test Engineer, Embedded, Medical Device, Medical Device Engineer, Technology, Engineering, Healthcare