Senior Embedded Engineer (Freelance) – Semi Auto Biochemistry Analyzer

Senior Embedded Engineer (Freelance) – Semi Auto Biochemistry Analyzer

Description:
We require a senior embedded systems engineer to design, refine, and validate a Semi Auto Biochemistry Analyzer involving optical measurement, analog front-end design, and embedded firmware.

Technical Scope:

Microcontroller-based system architecture

Analog front-end design for photodiode / photometric sensing

Precision ADC integration & signal conditioning

PCB schematic, layout review, and BOM optimization

Embedded firmware (C/C++) for absorbance computation, calibration curves, QC logic

Motor, lamp, filter wheel, and temperature control (if applicable)

Communication protocols: UART / USB / RS232

System debugging, validation, and stability optimization

Preferred Expertise:

Medical / IVD instrumentation experience

Optical systems & Beer–Lambert law implementation

Noise reduction, grounding, and EMC best practices

Familiarity with regulatory documentation is a plus

Engagement:
Project-based, long-term potential
Compensation: Based on expertise & milestones