Senior Acoustic DSP Engineer - Voice Experience

About Workwarp & Apple

Workwarp is proud to partner with Apple, a global technology leader renowned for its innovation in products, services, and user experiences. Apple, headquartered in Cupertino, California, stands as the world's largest technology company by revenue, boasting an impressive US$394.3 billion in 2022 revenue and holding the position of the world's largest company by market capitalization as of March 2023. At Apple, exceptional ideas are the foundation for creating remarkable products and services that resonate with millions worldwide. Sound is a critical element of the Apple customer experience, and our world-class Acoustics team is dedicated to delivering immersive and high-fidelity audio across our entire product ecosystem.

The Opportunity: Shaping the Future of Voice Interaction

We are seeking a highly skilled and motivated Senior Acoustic DSP Engineer to join our Sound Framework Tuning team. In this pivotal role, you will be at the forefront of developing and implementing cutting-edge Digital Signal Processing (DSP) algorithms to enhance voice interaction experiences across a range of Apple products, including iOS, macOS, and our suite of wearable devices. This is an exceptional opportunity to leverage your deep expertise in audio DSP, artificial intelligence, and embedded systems to directly impact the lives of billions of users globally. You will collaborate closely with world-class acoustic designers, DSP algorithm specialists, and machine learning engineers to tune, optimize, and innovate the audio performance of Apple's flagship products.

Core Responsibilities:

• Lead the development and implementation of DSP algorithms for voice-enabled applications, such as speech recognition, voice synthesis, noise cancellation, beamforming, and spatial audio.
• Drive innovation in acoustic signal processing techniques to improve speech clarity, reduce noise, and enhance the overall voice experience in various environments.
• Design, develop, and test DSP algorithms for embedded systems, ensuring optimal performance and power efficiency on mobile and wearable platforms.
• Collaborate with cross-functional teams, including hardware engineers, software developers, and product managers, to define and deliver exceptional audio experiences.
• Conduct research and stay abreast of the latest advancements in audio DSP, machine learning, and related fields.
• Optimize existing DSP algorithms for performance, scalability, and resource constraints.
• Troubleshoot and debug complex DSP issues in embedded systems.
• Contribute to the development of internal tools and libraries to streamline DSP development workflows.
• Participate in code reviews and contribute to maintaining high-quality code.
• Present technical findings and recommendations to stakeholders.

Key Qualifications:

• Deep and demonstrable expertise in Digital Signal Processing (DSP) for audio applications, including a strong understanding of signal processing theory and algorithms.
• Proven experience in developing and implementing DSP algorithms for real-time voice processing, with a focus on areas such as speech recognition, noise reduction, and beamforming.
• Strong knowledge of machine learning techniques applied to speech and audio processing, including experience with deep learning frameworks (e.g., TensorFlow, PyTorch).
• Proficiency in programming languages such as Python and C/C++.
• Experience with embedded systems development, including experience with low-power design and optimization.
• Familiarity with audio codecs and audio coding standards.
• Excellent analytical and problem-solving skills.
• Exceptional written and verbal communication skills, with the ability to effectively communicate technical concepts to both technical and non-technical audiences.
• Ability to thrive in a fast-paced, collaborative environment.

Preferred Qualifications:

• Master's or Ph.D. degree in Acoustics, Electrical Engineering, Computer Science, or a related field.
• Experience with transducer design and acoustic modeling.
• Experience with spatial audio technologies.
• Contributions to open-source audio DSP projects.

The Ideal Candidate: You are a passionate and innovative DSP engineer who thrives on solving challenging technical problems. You possess a strong understanding of the entire audio processing pipeline and are eager to contribute to the creation of exceptional user experiences. You are a collaborative team player with excellent communication skills and a proactive approach to learning and growth.

Location & Travel: This position is based remotely within the United States. However, it requires regular travel to Apple's headquarters in Cupertino, CA (approximately 25% of the time). International travel may also be required.

Diversity & Inclusion: Apple is an equal opportunity employer committed to diversity and inclusion. We believe that a diverse workforce is essential to our success. We make a firm commitment to equal opportunity for all candidates, regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other legally protected status. Apple is committed to providing reasonable accommodations to qualified candidates with disabilities. We are also a drug-free workplace.

Ready to make a difference? If you are a highly motivated and skilled Senior Acoustic DSP Engineer looking for a challenging and rewarding opportunity, we encourage you to apply. Join our team and help us shape the future of voice interaction at Apple!

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