Principal Test Engineer​/Test Lead

remote type On‑Site

locations Northridge, California, United States of America

time type Full time

time left to apply End Date:
August 11, 2026 (14 hours left to apply)

At Mini Med, you can begin a lifelong career of exploration and innovation, while helping make a difference in the lives of people living with diabetes around the globe. You'll lead with purpose, breaking down barriers to innovation for a more connected, compassionate world.

The Principal Test Engineer/Test Lead is a recognized technical leader responsible for defining and driving quality engineering strategy, verification & validation (V&V), test automation, AI-enabled testing, and release readiness across complex connected medical device ecosystems. This role leads end-to-end quality initiatives spanning mobile applications, connected medical devices, cloud services, APIs, cybersecurity, and integrated system workflows while ensuring compliance with global regulatory and quality standards.

In addition to deep technical expertise, this position provides leadership and coordination of globally distributed and offshore testing teams, ensuring successful execution of testing activities across multiple programs, releases, and product portfolios. The Principal Test Engineer acts as a trusted advisor to engineering and business leadership, driving innovation, quality excellence, and continuous improvement throughout the product lifecycle.

Responsibilities may include the following and other duties may be assigned.

• Define and drive the overall test strategy, quality roadmap, and release readiness activities across multiple products and programs.
• Serve as the technical authority and subject matter expert (SME) for software, systems, integration, connectivity, and end-to-end testing activities.
• Establish quality engineering best practices, testing standards, and governance models across teams.
• Influence product quality decisions through data-driven analysis, risk assessments, and engineering leadership.
• Lead technical reviews of requirements, architecture, design, risk analysis, and testability assessments.
• Drive organizational improvements in quality engineering processes, methodologies, and testing effectiveness.

• Lead testing activities for mobile applications across Android and iOS platforms.
• Define and execute validation strategies for connected medical devices and digital health ecosystems.
• Oversee Bluetooth Low Energy (BLE) communication testing, including pairing, connectivity, synchronization, recovery, failover, and interoperability scenarios.
• Ensure end-to-end testing coverage across hardware, firmware, mobile applications, cloud services, APIs, and external integrations.
• Validate usability, performance, reliability, compatibility, scalability, and customer workflows across supported platforms.

• Lead Verification & Validation (V&V) activities throughout the product development lifecycle.
• Develop test strategies, test plans, test protocols, traceability matrices, and test reports.
• Ensure compliance with Design Controls and applicable regulatory requirements, including: FDA regulations IEC 62304 ISO 13485 Risk Management processes Cybersecurity and Privacy requirements
• Support audits, inspections, CAPAs, field actions, and regulatory submissions.
• Ensure complete traceability from requirements through verification evidence and product release.

• Lead cloud services validation and API integration testing activities.
• Ensure secure and reliable interoperability across distributed systems and enterprise platforms.
• Define test coverage for data integrity, synchronization, fault tolerance, resiliency, and disaster recovery scenarios.
• Collaborate with architecture and development teams to validate complex system integrations and customer workflows.

• Define and execute organizational automation strategies across mobile, cloud, API, and system testing domains.
• Lead development and expansion of test automation frameworks utilizing tools such as:
  Appium Selenium API Automation Frameworks CI/CD-integrated testing solutions
• Establish automated quality gates and release validation processes.
• Drive continuous testing initiatives throughout the software development lifecycle.
• Improve testing efficiency, coverage, repeatability, and release confidence through automation.

• Drive adoption of AI-enabled testing technologies and intelligent quality engineering practices.
• Leverage Generative AI and AI-assisted tools to:
  Generate and optimize test cases Improve requirements analysis Enhance defect triage Accelerate test design activities Improve documentation quality
• Implement predictive quality analytics and risk-based test prioritization using AI-driven insights.
• Evaluate emerging AI technologies and recommend innovative solutions that improve engineering…