Senior Software Quality Assurance Engineer (Manual)

We are seeking a highly motivated and detail-oriented Software Quality Analyst with a strong passion for ensuring the delivery of high-quality software products. As a Software Quality Analyst, you will play a critical role in the software development process by conducting thorough manual testing to identify defects and verify that the software meets established quality standards. You will collaborate closely with cross-functional teams, including developers, PMs, automation engineers, and other stakeholders, to ensure a smooth and efficient testing process.

About the Role

We are looking for a Senior Software Quality Assurance Engineer to join the Stripe Terminal Device Software Quality Assurance  team. In this role, you will own the quality assurance process and result for Firmware and Device OS components across our payment terminal devices. You'll work closely with software development teams to define quality standards, develop comprehensive test strategies, plan, and drive software quality improvements through both technical expertise and process enhancements.

What You'll Do

• Own software quality for Terminal device software components (Firmware, Device OS ) and ensure software quality targets are met in the customers.
• Collaborate with developers during software planning, change review, and release meetings to understand new features, specifications, expected behaviors, and the impact and risks of changes. Create spot testing to test software before branch cut.
• Deeply understand customer use scenarios, PRD (Product Requirement Document), and SRD (Software Design Document), work with developers and create robust test plans that improve coverage for configurations, user scenarios testing, and reliability testing.
• Perform Bluetooth validation across multiple devices, edge cases, and recovery scenarios.
• Validate device with various enterprise network configurations and security types.
• Design and execute testing for power performance, battery behavior, sleep/wake reliability, and resilience under extended or degraded operating conditions.
• Own design, build, and maintain lab setups and test environments that accurately reflect production-like usage conditions and support repeatable validation.
• Co-lead software quality incident remediation efforts with engineering teams, including root cause analysis and solution development. 
• Establish and maintain software quality assurance processes, and influence cross-functional teams at Stripe and BBPOS to drive quality and process improvements.
• Create and optimize test cases while collaborating with automation engineers to expand automated test coverage, and guiding manual SQA team members to perform high-quality software testing.
• Mentor or coach junior software quality engineers to improve work quality and efficiency.

Qualifications & Requirements

Minimum Requirements

• Bachelor's degree in Computer Science, Software Engineering, or related technical field
• 6+ years of experience in software quality assurance for embedded systems or firmware
• Ability to analyze software changes and assess impact on testing coverage by reviewing release notes and software design documents. 
• Experience developing test strategies, test plans, and test cases based on product requirements
• Ability to identify root causes of software defects
• Ability to proactively identify risks and take the initiative to mitigate them
• Strong leadership, communication, ownership, and influencing skills to drive quality improvements across teams
• Excellent verbal and written communication skills in English

Preferred Qualifications

• Experience with payment terminal devices, EMV certification, or PCI (Payment Card Industry) compliance
• Knowledge of embedded systems, real-time operating systems, and firmware development
• Familiarity with payment processing systems or financial technology is a plus
• Track record of mentoring junior team members on technical skills and test design