DSP固件工程师 - PICO
Core
Design and implement digital signal processing modules for sensor data (PPG, IMU, ECG) on resource-constrained wearable devices, focusing on noise suppression, motion artifact removal, and feature extraction.
Role type
Firmware DSP Engineer (Wearables)
Builds
Consumer wearable devices (XR, health tracking)
Domain
Consumer Electronics / Digital Signal Processing / Embedded Systems
Deliverable
production ML models
Required skills
Digital Signal Processing (FIR/IIR, FFT, Wavelet, Adaptive Filtering), C/C++ programming, Embedded Systems (ARM Cortex-M, RISC-V), Sensor Signal Processing (PPG, IMU, ECG), Firmware Optimization (Fixed-point, Memory/Power), MATLAB/Python
Preferred skills
Hardware circuit design review, Benchmark creation, Real-world scenario validation
Responsibilities
Design and deploy DSP algorithms for sensor data preprocessing and feature extraction; Collaborate with embedded engineers to optimize signal processing for MCU/DSP; Develop upper-layer DSP for motion recognition and physiological signal analysis; Establish sensor signal quality evaluation systems and testing standards; Optimize DSP performance based on industry trends.
Seniority
Mid-Senior, hands-on IC