Senior Full Stack IoT Software Developer - Cardio Partners - Remote

Sarnova HC, LLC; United States; Remote; USD 120,000 - 180,000; Full time

Benefits offered by this job

Competitive salary

Comprehensive benefits package

401(k) Plan

Job summary

Cardio Partners, a division of Sarnova, seeks a talented Full Stack IoT Software Developer to build firmware, backend systems, and tooling for cellular IoT products. You will work hands-on with devices across the development cycle and may explore electronics and manufacturing disciplines.

This role supports remote candidates in the United States and requires EST hours. The team advances healthcare technology with data-driven solutions, collaborating across hardware, software, and manufacturing

Qualifications

• Bachelor's degree in CS/EE or related field.
• 7+ years of professional software development with embedded and full stack focus.
• Experience with C for microcontrollers (STM32) and cellular protocols.
• Proficiency in Python and Ruby on Rails.
• Experience integrating AI models into embedded systems.
• Strong HW/SW integration and low power design.
• Ability to work independently in a remote environment.
• Excellent problem-solving and communication skills.

Responsibilities

• Design, implement, and maintain firmware, backend, and tooling for cellular IoT devices.
• Develop embedded software in C for STM32 microcontrollers.
• Integrate and manage embedded AI models.
• Collaborate with hardware, electronics, and manufacturing teams.
• Work directly with physical devices for hands-on development and validation.
• Ensure efficient cellular communication and low power operations.
• Contribute to backend and tooling using Python and Ruby on Rails.
• Stay current with emerging IoT technologies and propose innovations.
• Additional duties as assigned.

Skills

Embedded systems

Full stack development

C programming

Python

Ruby on Rails

Embedded AI

HW/SW integration

Remote work

Leadership

Education

Bachelor’s degree in Computer Science, Electrical Engineering, or related field

Tools

STM32 microcontrollers

Cellular protocols

Git

Job description

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.

Summary:

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.

Organizational Impact:

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.

Essential Duties and Responsibilities:

• Design, implement, and maintain firmware, backend, and tooling solutions for cellular IoT devices
• Develop and optimize embedded software using C for STM32 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

Skills/Experience Required:

• 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 STM32), 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 integration and low‑power design principles
• Demonstrated ability to work independently and lead complex development initiatives
• Excellent problem‑solving skills and a proactive approach to innovation
• Strong communication and collaboration skills across technical and non‑technical teams
• Ability to independently manage all aspects of the job role including required goals and business practices in a remote environment

Sarnova is an Equal Opportunity Employer. We offer a competitive salary, commensurate with experience, along with a comprehensive benefits package, including 401(k) Plan. EEO/M/F/Veterans/Disabled. Our mission is to be the best partner for those who save and improve patients’ lives. Excellence in delivering upon our mission is dependent upon having a diverse team that is empowered to bring their full, authentic self to work each day. We strive to create a workplace that reflects the communities we serve, and we are passionate about creating an inclusive workplace that promotes and values diversity.

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