# Sensing Systems Engineer

**Company:** [Sesame](https://hotfix.jobs/companies/sesame)
**Location:** San Francisco, CA, Bellevue, WA
**Role:** Embedded Engineering
**Salary:** $175k – $280k/yr
**Experience:** 5+ years
**Skills:** Python, Digital Signal Processing, Sensor Fusion, Embedded Systems, C/C++, Comsol, Ansys, Machine Learning, Signal Processing, Soc Architectures
**Posted:** 2026-02-27

> Owns end-to-end sensor system performance for consumer wearables, from hardware selection and integration through firmware, signal processing, and ML integration. Requires 5+ years in systems engineering with expertise in DSP, embedded systems, and shipping high-volume products.

## Job Description

## Responsibilities
- **Sensing Architecture**: Research, evaluate and recommend optimal sensor technologies and devices for various wearable applications, taking into account physical, electrical, and software capabilities along with cost, schedule, and user impact.
- **End-to-end Performance**: Own the end-to-end performance of Sesame devices’ sensor systems from prototyping to mass production, including latency, power consumption, thermal constraints, and reliability.
- **System Requirements & Test**: Champion a high quality user-experience by defining system-level test plans and acceptance criteria and detailed, actionable specifications for designing and validating each layer of the stack.
- **User data collection**: Design and supervise a data collection strategy to gather ground-truth data sets necessary for algorithm and model development.
- **Algorithm Design**: Develop, test, and implement the signal processing, sensor fusion and calibration systems that translate raw sensor data into usable outputs.
- **Model-sensor integration**: Collaborate with Sesame’s ML team to determine how sensor data improves the quality of Sesame agents’ responses.

## Required Qualifications
- 5+ years of experience in systems engineering, sensor systems, algorithms and/or signal processing.
- Demonstrated experience shipping high-volume consumer products from concept through production, in collaboration with electrical, firmware, and mechanical engineers.
- Background in Sensor Physics: deeply understanding how sensor systems interact with the physical world, and how to design a test plan to isolate specific variables and behaviors in the system.
- Understanding of electro-mechanical integration requirements and limitations of various sensors: Implementation constraints, best practices, areas for optimization.
- Strong understanding of embedded systems: SoC architectures, memory management, wireless connectivity, power and thermal management, latency.
- Proficiency in Digital Signal Processing (DSP) techniques: filtering, windowing, feature extraction, and sensor fusion.
- Expert in **Python** for signal processing, data visualization, and algorithm development.
- Excellent communication skills and ability to drive alignment across multiple engineering disciplines.
- BS/MS in Electrical Engineering, Mechanical Engineering, Physics, or Computer Science (or equivalent experience).

## Preferred Qualifications
- Experience with wearable or small-form-factor consumer devices, especially on-device voice, audio, or camera processing pipelines.
- Familiarity with AI/ML workloads on edge devices and their system-level implications (compute, memory, power).
- Hands-on experience porting of algorithms and models to embedded systems, including experience with **C/C++**.
- Multiphysics / FEA Experience: Proficiency with simulation tools (e.g., **COMSOL**, **ANSYS**) to model mechanical-electrical coupling and sensor response.
- Experience with Machine Learning for signal processing.
- Direct experience defining system architecture for a 0-to-1 product.
- Experience in a startup or fast-moving, small-team product environment.

## Benefits
- 401(k) max employer match: 3.5% of compensation
- 100% employer-paid health, vision, and dental benefits for you and your dependents
- Unlimited PTO and sick time
- Flexible spending account with employer matching up to $1,650/year (medical FSA)
- Guardian Employee Assistance Program (EAP)
- Opportunity to share in the company's success with competitive stock options

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