Hardware & Firmware Engineer for Compact Wearable Device (Low‑Power Sensors + BLE

Design new product (pcb design and firmware development) including the enclosure. · PCB design for BLE device with battery and sensor. · ...

We are seeking an experienced developer to integrate multiple biometric sensor devices into a web-based muscle testing application hosted on Replit. · Connect USB and BLE devices such as heart rate monitors IMUs GSR sensors respiration belts force sensors and polygraph hardware. ...

Design new product (pcb design and firmware development) including the enclosure (can be off the shelf or new design) · PCB design · -small PCB · -Nordics MCU RF52832 · -Tof STM VL53L1X (measure distance of the paper) · -hall sensor (detect when door is opened/closed) · - RTC · ...

We are looking for a developer to create compliant integrations between various biometric sensor devices and our web-based muscle testing application hosted on Replit. · Device Interface Integration: Use official protocols (USB Serial, HID, BLE GATT) or published APIs to access s ...

Seeking a senior embedded systems engineer with expertise in Bluetooth Low Energy (BLE), ARM Cortex-M microcontrollers, and sensor hardware integration for a 2–4 hour architecture review of a wearable sensor streaming system. · The engagement is advisory only (no coding or implem ...

RearGear is a small wearable safety device that detects motion approaching from behind and communicates with a mobile app via Bluetooth Low Energy (BLE). I'm looking for an engineer who can lead the firmware, hardware, BLE communication, and early prototyping stages. · This role ...

We are seeking an experienced IoT firmware and hardware developer for designing a sensor board to measure temperature and humidity using nrf52840 mcu. · The firmware must read sensors temperature, humidity and pressure at regular intervals. · The board must be battery operated an ...

We are building a compact BLE wearable UV sensor device (accessory/keychain form factor, · ~30mm target size). We need an experienced firmware engineer to migrate our existing PoC firmware · and optimize for ultra-low-power operation. · Nordic nRF54L or nRF52/nRF53 series firmwar ...

We are developing a small, fashion-forward BLE wearable device with a UV sensor designed to be worn as a stylish accessory keychain charm. We need an experienced PCB designer to create a compact low-power board. · ...

This is a Work-for-Hire agreement for developing an AR aiming system using Unity and NRSDK. · Integration of IMU sensor with XREAL Air 2 Pro glasses via Android processing hub. · ...

Biomedical / Electronics Engineer · Biosensor Prototype — Sports Performance Application: · Budget $800 – $1,500 USD · Timeline 5-6weeks · Location-remote your location · Hardware + Firmware · This is an early-stage startup project with real investor interest. The right engineer ...

ESP32-based LTE (SIM + eSIM) GNSS Tracker + BLE Motor Control + Automotive I/O (PCB + Firmware) · Overview · We're looking for an experienced embedded hardware + firmware engineer (or a small team) to design and prototype a professional GPS/GNSS tracking device for automotive use ...

This is a reliability-first project with the goal of creating an iPad boxing telemetry HUD from up to 6 BLE sensors. · ...

I am developing a compact wearable wristband device and need an experienced PCB design engineer to complete the full schematic and 4-layer PCB layout. · The device includes: · - ESP32-S3-MINI-1 (BLE) · - MAX30102 (PPG HR + SpO2) · - MLX90632 (IR temperature) · - BMI270 (IMU) · - ...

Update a small PCB wearable project. · Main goal is to reduce the pcb size while maintaining main functionality - reading IMU data and sending via BLE.Removing barometer and ToF sensor from the boardDecreasing the PCB size and making a circleSwitching from Xiao Ble (nRF52840) to ...

We are looking for a skilled PCB designer to create a smart jewelry wellness tracker using the Nordic nRF52840 BLE SoC. · ...

We are seeking an experienced Embedded Firmware Engineer to develop firmware for the XIAO nRF52840 Sense. · ...

We're building a wearable impact sensor using nrf52840 and zephyr / nrf connect sdk. · For this mvp phase we need a senior embedded developer to review and extend the existing firmware. ...

I am developing a medical wearable device for infants (0-6 months) to monitor vital signs including heart rate (HR), blood oxygen saturation (SpO2), and skin temperature. · ...

We are building a new smart home device and need a skilled firmware developer.You will architect and write the core firmware for an ESP32-based product, focusing on connectivity, power management, and sensor integration. · ...