About Willow Buildings are more complex than ever — and the teams responsible for running them are still working with fragmented tools, disconnected data, and reactive workflows. Willow is changing that. Backed by NEA.
About the role
Willow is seeking a Senior Director of Engineering to lead, scale, and architect our multi-disciplinary engineering organization spanning Electrical Engineering (EE), Embedded Firmware, Cloud Infrastructure, and Mobile/Software Applications.
What they're looking for
- Education: Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, Computer Science, or a related technical field
- Experience: 12+ years of progressive engineering experience in connected consumer hardware, IoT, or medical devices, with at least 5+ years in engineering leadership (Director level or above)
- Multi-Domain Mastery: Demonstrated technical depth across all four required core domains:
- Electrical Engineering: Mixed-signal PCB design, low-power battery management, sensor integration, BLE design, and RF compliance
- Firmware: Embedded C/C++, RTOS, microcontroller architectures (e.g., Nordic, STM32), and low-level communication protocols (I2C, SPI, UART)
- Software & Cloud: Mobile application architecture (iOS/Android), cloud platforms (AWS/GCP), microservices, RESTful APIs, and IoT device management
More about this role
Willow is a platform for products that help improve the lives and health of women. We are a mission-driven team of experienced inventors, mothers, and fathers dedicated to making a difference in women’s lives. The Willow™ Wearable Breast Pump, selected as one of TIME's 25 Best Inventions in 2017 and 2018 CES Innovation Award for Wearable Technologies, is the first solution in our platform.
Willow is seeking a Senior Director of Engineering to lead, scale, and architect our multi-disciplinary engineering organization spanning Electrical Engineering (EE), Embedded Firmware, Cloud Infrastructure, and Mobile/Software Applications.
In this role, you will be the primary technical bridge connecting physical hardware to our cloud and mobile ecosystem. You will balance strategic leadership with hands-on technical execution , diving deep into system architecture, design reviews, and technical problem-solving alongside your teams. You will manage a hybrid delivery model—leading in-house engineering leads while orchestrating external design houses, contract manufacturers (CMs), and outsourced software teams to bring high-reliability, connected healthcare products to market.
- Act as the chief...
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