Senior Staff Audio QA Engineer

Senior Staff Audio QA Engineer

26 Jan 2024
California, Sanjose, 95101 Sanjose USA

Senior Staff Audio QA Engineer

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Why engineering at Stryker?At Stryker we are dedicated to improving lives, with a passion for researching and developing new medical device products. As an engineer at Stryker, you will be proud of the work that you will be doing, using cutting-edge technologies to make healthcare better. Here, you will work in a supportive culture with other incredibly talented and intelligent people, creating industry-leading medical technology products. You will also have growth opportunities as we have a culture that supports your personal and professional development.Need another reason to apply? Check out these 8 reasons to join Stryker's engineering team: https://www.strykercareersblog.com/post/8-reasons-to-join-strykers-engineering-teamWe are proud to be named one of the World’s Best Workplaces and a Best Workplace for Diversity by Fortune Magazine! Learn more about our award-winning organization by visiting stryker.comWho We Want:

Analytical problem solvers. People who go beyond just fixing to identify root causes, evaluate optimal solutions, and recommend comprehensive upgrades to prevent future issues.

Dedicated achievers. Relentless about quality, people who thrive in a fast-paced environment and will stop at nothing to ensure a project is complete and meets regulations and expectations.

Curious learners. Engineers who seek out cutting-edge research and information to expand and enhance their ability to develop products.

User-focused creators. Engineers who design with the user in mind, developing products that help change patients’ lives.

Collaborative partners. People who build and leverage cross-functional relationships to bring together ideas, information, use cases, and industry analyses to develop best practices.

What You Will Do:As an Audio QA Engineer for our VOIP handsfree wearable product, you will play a crucial role in ensuring the high-quality performance of the audio features in our cutting-edge communication device. Your primary focus will be on testing and validating the audio functionalities, ensuring a seamless and exceptional user experience for voice communication and speech recognition. You will collaborate closely with the development and product teams to identify, analyze, and rectify audio-related issues, contributing to the overall success of our innovative wearable technology.Audio Testing: Conduct comprehensive testing of audio functionalities, voice communication, call handling, audio playback, and recording, to ensure adherence to quality standards.Speech Recognition Testing:

Design and execute comprehensive tests to evaluate the accuracy and performance of speech recognition algorithms in various environments.

Identify and report issues related to voice command recognition, natural language processing, and overall speech-to-text functionality.

Assess and ensure high-quality audio input/output for speech recognition, considering factors such as noise cancellation, echo suppression, and background noise handling.

Wake Word Testing:

Assess the wake word system's performance in the presence of ambient noise, varying audio levels, and diverse environmental conditions.

Identify and address challenges related to false positives and false negatives in wake word detection.

Test Planning: Develop detailed test plans and test cases based on product specifications and requirements related to audio features.Regression Testing: Perform regular regression testing to identify and address any regression issues related to audio performance.Issue Identification and Reporting: Investigate, analyze, and report audio-related issues with clarity, providing detailed information for the development team to facilitate efficient issue resolution.Collaboration: Work closely with cross-functional teams, including developers, product managers, and UX/UI designers, to understand requirements and provide valuable input during the development lifecycle.Automation: Develop and execute automated tests for audio functionalities using appropriate testing tools and frameworks to enhance testing efficiency and coverage.Documentation: Maintain comprehensive documentation of test cases, test results, and issues, ensuring a clear and organized record of the testing process.What You Will Need:Basic Qualifications:

Bachelor’s degree in electrical engineering, Computer Science, or a related field.

6+ years of work experience in wireless communication testing

Audio Testing Expertise: Strong understanding of audio testing principles, including knowledge of audio codecs, echo cancellation, audio beamforming noise reduction, and audio quality metrics. Demonstrated skill in product benchmarking, product compliance testing for standards such as TIA920B.

Speech Recognition: Proven experience in testing and evaluating speech recognition technologies and algorithms. Familiarity with industry-standard speech recognition systems.

Wake Word Testing: Expertise in testing wake word detection systems for devices. Familiarity with wake word algorithms, natural language processing, and machine learning concepts.

Testing Tools: Proficiency in using audio testing tools and equipment, such as audio analyzers, oscilloscopes, and sound level meters. Prior experience with audio performance measurement tools such as Audio Precision, Soundcheck, ACQUA, B&K HATS

Preferred Qualifications:

Previous experience in audio testing for wearable devices or VOIP products.

VOIP Knowledge: Familiarity with Voice over Internet Protocol (VOIP) technology and protocols, understanding how it impacts audio communication in wearable devices.

Programming/Scripting: Strong programming/scripting skills for test automation, using languages such as Python, MATLAB, and others.

Testing Methodologies: Experience with various testing methodologies, including manual testing, regression testing, and automated testing.

Familiarity with subjective Audio quality testing in voice calls

Familiarity with wearable technology and the challenges associated with audio performance in compact devices.

Knowledge of continuous integration and continuous deployment (CI/CD) processes.

$127k - $210 salary plus bonus eligible + benefits. Actual minimum and maximum may vary based on location. Individual pay is based on skills, experience, and other relevant factors.

About StrykerOur benefits:

12 paid holidays annually

Health benefits include: Medical and prescription drug insurance, dental insurance, vision insurance, critical illness insurance, accident insurance, hospital indemnity insurance, personalized healthcare support, wellbeing program and tobacco cessation program.

Financial benefits include Health Savings Account (HSA), Flexible Spending Accounts (FSAs), 401(k) plan, Employee Stock Purchase Plan (ESPP), basic life and AD&D insurance, and short-term disability insurance.

For a more detailed overview of our benefits or time off, please follow this link to learn more: US Stryker employee benefits (https://cdn-static.findly.com/wp-content/uploads/sites/1427/2023/09/20143933/US-Stryker-Employee-benefits.pdf)About StrykerStryker is a global leader in medical technologies and, together with its customers, is driven to make healthcare better. The company offers innovative products and services in MedSurg, Neurotechnology, Orthopaedics and Spine that help improve patient and healthcare outcomes. Alongside its customers around the world, Stryker impacts more than 130 million patients annually. More information is available at stryker.com. (http:)Know someone at Stryker?Be sure to have them submit you as a referral prior to applying for this position. Learn more about our employee referral program on our referral page (https://careers.stryker.com/referrals/)Stryker is driven to work together with our customers to make healthcare better. Employees and new hires in sales and field roles that require access to customer accounts as a function of the job may be required, depending on customer requirements, to obtain various vaccinations as an essential function of their role.Stryker Corporation is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, ethnicity, color, religion, sex, gender identity, sexual orientation, national origin, disability, or protected veteran status. Stryker is an EO employer – M/F/Veteran/Disability.

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