Senior Embedded Systems Engineer
Vor 6 Tagen
Company Description
At Open Ring (www.o-), we're behind the world's first open-source smart ring platform, built for researchers, startups, and developers. We're building a community-driven ecosystem for wearable tech innovation. As we scale, we're eager to welcome exceptional talent ready to contribute to a global movement.
Role Overview
You'll be one of the core engineers shaping both firmware and hardware, working across bring-up, validation, and production readiness. Expect to collaborate daily with our mobile app developer and contract manufacturer to turn early prototypes into a scalable, reliable product.
Key Responsibilities
- Develop, maintain, and debug low-power firmware for wearable hardware (BLE 5.x, RTOS or bare metal).
- Lead hardware bring-up on new prototypes validate schematics, review layouts, and help define board revisions.
- Define, test, and validate existing electrical designs; propose improvements for signal integrity, power, and manufacturability.
- Own sensor integration and hardware–firmware interface design (I²C, SPI, UART, GPIO).
- Build and refine factory test firmware and diagnostic tools for CM-level testing and calibration.
- Collaborate closely with the CM for DFM reviews, EVT/DVT/PVT validation, and yield optimization.
- Work hand-in-hand with the mobile developer to verify BLE connectivity, data logging, and end-to-end user experience.
- Contribute to hardware validation test plans, reliability testing, and bring-up documentation.
Qualifications
- 5+ years in embedded firmware and hardware integration (wearables, IoT, or consumer electronics).
- Proficient in C/C++, RTOS (Zephyr) environments, and common MCU architectures.
- Solid understanding of schematics, PCB layout constraints, and debugging hardware issues.
- Experience with BLE 5.x, low-power design, and sensor interfaces.
- Hands-on experience with prototypes, oscilloscopes, logic analyzers, and hardware validation tools.
- Comfortable working directly with manufacturers and suppliers on technical issue resolution.
- Startup-ready mindset, proactive, fast, resourceful, and hands-on.
Why Join
- You'll work directly with the founding team, no silos, no layers.
- Own both firmware and hardware outcomes, from prototype to production.
- Collaborate closely with the mobile and mechanical teams in a fast-moving, experimental environment.
- Build the core technology for an open, developer-ready wearable platform.
Are you ready to contribute to the next generation of smart wearables - apply now
Alternatively, you can also show your dedication to our mission by reaching us directly through email: -
We would love to hear from you
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