Senior Full Stack IoT Software Developer - Cardio Partners - Remote

We are seeking a talented and passionate Full Stack IoT Software Developer to join our team. In this role, you will play a key part in developing firmware, backend systems, and essential tooling for cutting-edge cellular IoT products. You will have the opportunity to work hands-on with devices throughout the entire development cycle, including debugging and testing. While focused on software development, there is opportunity to expand into electronics design, mechanical design, and manufacturing disciplines.

Cardio Partners, a division of Sarnova, is a national leader in emergency prevention and an ardent advocate in the fight against Sudden Cardiac Arrest (SCA). Cardio Partners offers complete cardiac solutions to our customers including equipment, consultation, end-to-end training, and program management. As an authorized master distributer of all FDA-approved defibrillator devices, the company provides customers the best-in-class value for new and recertified equipment.

Customers’ emergency preparedness needs are met via Cardio Partners’ nationwide CPR training courses and state-of-the‑art program management services.

For Non-Central Ohio based candidates this is a remote opportunity. Candidates must reside in the United States and be willing to work EST hours. Candidates who require visa sponsorship/transfer now or in the future cannot be considered.

We are seeking a talented and passionate Full Stack IoT Software Developer to join our team. In this role, you will play a key part in developing firmware, backend systems, and essential tooling for cutting‑edge cellular IoT products. You will have the opportunity to work hands‑on with devices throughout the entire development cycle, including debugging and testing. While focused on software development, there is opportunity to expand into electronics design, mechanical design, and manufacturing disciplines.

This role is instrumental in advancing Sarnova’s technology capabilities in the IoT space. By driving the development of intelligent, connected devices, the Senior Full Stack IoT Developer directly supports strategic initiatives in product innovation, operational efficiency, and customer experience. The solutions built in this role will enhance Sarnova’s ability to deliver data‑driven healthcare technologies and maintain a competitive edge in the market.

• Design, implement, and maintain firmware, backend, and tooling solutions for cellular IoT devices
• Develop and optimize embedded software using C for STM
  32 microcontrollers, ensuring performance and reliability
• Integrate and manage embedded AI models to enhance device capabilities
• Collaborate closely with hardware, electronics, and manufacturing teams to bring innovative products to life
• Work directly with physical devices for hands‑on development, troubleshooting, and validation
• Ensure efficient cellular communication and low power operations within device ecosystems
• Contribute to backend and tooling development using Python and Ruby on Rails
• Stay current with emerging IoT technologies and recommend innovations that align with business goals
• Additional job duties as assigned

• Education:
  
  Bachelor’s degree in Computer Science, Electrical Engineering, or related field
• Minimum 7+ years of professional experience in software development, with a strong focus on embedded systems and full stack development
• Proven expertise in C programming for microcontrollers (preferably STM
  32), and experience with cellular communication protocols
• Proficiency in backend development using Python and Ruby on Rails
• Experience integrating AI models into embedded systems is highly desirable
• Strong understanding of hardware/software…