San Mateo, United States of America Hybrid

Cala Health is hiring a Firmware Engineer

Join a forward-thinking engineering team focused on developing advanced wearable medical devices. As a Senior Firmware Engineer, you'll play a central role in shaping firmware architecture from concept through commercialization, working across the full development stack to deliver reliable, power-efficient solutions.

Key Responsibilities

  • Lead firmware design and implementation for new and existing wearable platforms, adapting quickly to evolving technical demands across the system.
  • Collaborate closely with hardware engineers to integrate and debug sensors, wireless modules, and memory systems.
  • Ensure adherence to medical device standards by contributing to design controls, risk assessments, requirements traceability, and validation documentation.
  • Design and execute testing strategies for firmware functionality, performance, and interoperability with hardware components.
  • Optimize embedded algorithms and system behavior for minimal power consumption and efficient resource use.
  • Integrate AI-assisted tools into coding, testing, and documentation workflows to improve development speed and consistency.

Qualifications

Applicants should hold a degree in Computer Science, Computer Engineering, Electrical Engineering, or a related discipline, with at least five years of hands-on firmware experience in wearable or portable devices emphasizing ultra-low-power constraints.

Required experience includes two or more years working under ISO13485-regulated development environments, strong proficiency in C and Python, and practical knowledge of bare-metal programming on ARM Cortex-M series microcontrollers. Familiarity with real-time operating systems such as Zephyr, freeRTOS, or Linux-based RTOS variants is highly valued.

Candidates must demonstrate skill with lab equipment including oscilloscopes, logic analyzers, and power measurement tools, and show a track record of effective collaboration across engineering, quality, regulatory, and manufacturing functions.

Work Environment

This hybrid role is based in San Mateo, CA, requiring a mix of onsite and remote work. The organization supports an inclusive culture that values diverse perspectives, continuous learning, and equitable hiring practices focused on role-specific competencies.

Compensation is competitive, ranging from $125,000 to $175,000 annually, with additional market-driven incentives. A comprehensive benefits package is provided.

Required Skills
PythonLinux
About company
Cala Health
Cala Health is working to free people from the burden of chronic disease. They began by creating the first non-invasive prescription therapy for hand tremor and have released Cala kIQ, their most sophisticated therapy yet.
All jobs at Cala Health Visit website
Job Details
Department Engineering
Category embedded
Posted 3 months ago