Principal Firmware Engineer

DexCom, Inc.

Job Overview

Location

Remote - United States

Job Type

Full-time

Full Job Description

📋 Description

• As a Principal Firmware Engineer at DexCom, you will design, define, and oversee the high-level technical architecture of embedded/firmware software systems for iCGM products, playing a critical role in advancing continuous glucose monitoring technology that improves diabetes management and empowers people to take control of their health.
• Day to day, you will design and implement technical specifications for embedded firmware architectures, collaborate with hardware teams on integration (including driver development, battery management, and memory optimization), lead and mentor engineering teams through code reviews and technical guidance, conduct performance analysis and optimization for reliability and security, and ensure compliance with FDA standards and regulatory requirements.
• You will join a mission-driven team of thousands of passionate professionals at DexCom, a global leader in continuous glucose monitoring dedicated to transforming diabetes care and expanding into broader consumer health technology through innovative biosensing solutions.
• In this role, you will deepen your expertise in embedded systems architecture, influence technical strategy at a systems level, mentor senior engineers, and contribute to life-changing health technologies with global impact, positioning yourself as a technical leader in medical device innovation.

🎯 Requirements

• Substantial experience in embedded systems design, development, and debugging with expertise in C/C++ and real-time operating systems (RTOS)
• Deep understanding of microprocessor/microcontroller architecture (ARM Cortex, etc.), low-level peripheral drivers, and communication protocols (I2C, SPI, UART, BLE)
• Strong proficiency in software architectural design patterns, modularity, and reusability
• Bachelor’s degree in a technical discipline and 15+ years of related experience, or Master’s degree and 10+ years equivalent experience, or PhD and 7+ years of experience
• Ability to communicate technical concepts effectively to diverse audiences, from engineers to executives

🏖️ Benefits

• Front row seat to life-changing CGM technology and access to the Dexcom Warriors community
• Full and comprehensive benefits program
• Growth opportunities on a global scale
• Access to career development through in-house learning programs and/or qualified tuition reimbursement
• Exciting and innovative, industry-leading organization committed to employees, customers, and communities

Skills & Technologies

Senior

Remote

Degree Required

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DexCom, Inc.

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About DexCom, Inc.

DexCom, Inc. develops, manufactures, and distributes continuous glucose monitoring (CGM) systems for diabetes management. Its sensors, transmitters, and software provide real-time glucose data to patients and healthcare providers. The company serves insulin-intensive diabetes populations worldwide.

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