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Product Application Engineer(Acoustics)_BST

Shanghai, Shanghai, cn💼 Full-time🗓 2026-09-03 → 2026-09-26

Core

Provide customer-facing software and system technical support, product design-in guidance, and acoustic system debugging for consumer audio and smart hardware products.

Role type

Product Application Engineer (Acoustics)

Builds

High-performance audio products including MEMS microphones and MEMS speakers for TWS earbuds, wearables, smartphones, smart glasses, home audio, and automotive systems.

Domain

Consumer electronics / Acoustics / MEMS

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

MEMS microphone and speaker integration, acoustic performance optimization, electrical debugging, acoustic calibration, system-level audio debugging, technical documentation, cross-team collaboration

Preferred skills

DSP audio algorithms, I2S/I2C/TDM/SWI3S protocols, Bluetooth audio protocols, ODM/OEM design-in experience

Technologies

B&K, GRAS, Audio Precision, Listen Inc. (Soundcheck), oscilloscope, signal generator, spectrum analyzer

Responsibilities

Provide full-cycle technical support including remote and on-site guidance for hardware integration and acoustic tuning; Assist customers with schematic review, PCB layout optimization, acoustic cavity design, and mechanical integration; Conduct acoustic performance testing and troubleshooting for SNR, frequency response, THD, SPL, and echo cancellation; Support system-level audio debugging in TWS, wearables, and AR/VR devices to resolve distortion and noise issues; Develop technical documents and conduct training for customers and internal teams; Collect customer feedback to assist in product iteration and new product definition; Collaborate with sales and FAE teams for technical demonstrations and project follow-up; Support mass production fault analysis and root cause verification.

Seniority

Mid-level, hands-on IC

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