Senior Firmware Engineer

2 weeks ago

Cavite City, Calabarzon, Philippines MedSolutions Technology and Innovation Inc. Full time
About The Role

MedSolutions Technology and Innovation Inc. is seeking a passionate and experienced Senior Firmware Engineer to join our core product team. This is a permanent, full-time position to lead the ongoing development of our new connected health ecosystem: the VSynC Band (a BLE-enabled wearable) and the VSynC Gateway (a Wi-Fi/BLE hub).

We are looking for a long-term owner of our firmware. You will be responsible for building, maintaining, and scaling the embedded software that powers our devices. You will solve complex low-level problems, optimize for power and performance, and play a critical role in developing the next generation of our products.

Roles & Responsibilities
  • Firmware Architecture: Design, develop, and maintain scalable, low-power firmware for our ARM Cortex-M-based wearable (VSynC Band).
  • Wireless Protocols: Implement and manage the Bluetooth Low Energy (BLE) stack, including GATT services, profiles, and secure pairing.
  • Gateway Firmware: Develop robust firmware for the Wi-Fi/BLE gateway, managing data aggregation from the band and secure communication to our cloud backend.
  • Driver Development: Write and maintain low-level drivers for peripherals and sensors (e.g., IMU, PPG heart rate sensors).
  • Optimization: Lead ongoing efforts in power optimization and memory management, critical for battery-powered devices.
  • Debugging: Act as the team's expert in troubleshooting complex, system-level bugs using JTAG, oscilloscopes, logic analyzers, and protocol sniffers.
  • RTOS Environment: Work effectively within a real-time operating system (RTOS) like FreeRTOS or Zephyr.
  • Product Lifecycle: Participate in the full product lifecycle, from R&D and prototyping to new feature development and OTA updates for devices in the field.
Qualifications & Requirements
  • Experience: 5+ years of professional experience in embedded systems and firmware development.
  • Language: Expert proficiency in C for embedded systems. (C++ is a plus).
  • Wireless Expertise: Deep, hands-on experience with Bluetooth Low Energy (BLE). You must understand the full stack (GATT, profiles, connections).
  • MCU Expertise: Extensive experience with 32-bit microcontrollers.
  • RTOS Experience: Proven experience with at least one RTOS (e.g., FreeRTOS, Zephyr).
  • Hardware Skills: Hands-on experience with peripherals, sensor integration, and board bring-up.
  • Debugging Tools: Proficient with debugging tools (JTAG/SWD, logic analyzers, power profilers).
  • Mindset: A strong sense of ownership and a passion for building reliable, high-quality products.

Bonus Points (Nice to Have):

  • Experience with Wi-Fi firmware (e.g., ESP32) for the gateway.
  • Background in medical devices or health/fitness wearables.
  • Familiarity with secure boot and Over-the-Air (OTA) firmware updates.
What We Offer
  • A competitive monthly salary

  • Example:

  • HMO / Health Insurance

  • 13th Month Pay
  • Paid Time Off (Vacation & Sick Leaves)
  • Flexible/Remote Work arrangement
  • A key role in a growing technology company
How to Apply

Please submit your resume. In your application or cover letter, please briefly describe a complex BLE or low-power wearable project you completed.

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