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44 Mill Senior Firmware Engineer Jobs Hiring Near You

Mill

Firmware Engineer

San Bruno, CA · On-site

$185 - $210K/hr

Mill is a waste prevention technology company reimagining what it means to eliminate waste ... We're seeking a Firmware Engineer to design, develop, and implement low-level firmware for our next ...

Mill

Firmware Engineer

San Bruno, CA

$185 - $210K/hr

Mill is a waste prevention technology company reimagining what it means to eliminate waste ... We're seeking a Firmware Engineer to design, develop, and implement low-level firmware for our next ...

Mill

Firmware Engineering Manager

San Bruno, CA · On-site

Mill is a waste prevention technology company reimagining what it means to eliminate waste ... We're seeking a Firmware Engineering Manager to lead the design, development, and implementation of ...

Mill

Firmware Engineering Manager

San Bruno, CA

Mill is a waste prevention technology company reimagining what it means to eliminate waste ... We're seeking a Firmware Engineering Manager to lead the design, development, and implementation of ...

Mill

Firmware Engineer

San Bruno, CA · On-site

$185 - $210K/hr

We're seeking a Firmware Engineer to design, develop, and implement low-level firmware for our next-generation connected product. You'll work closely with cloud services, mobile app, product and ...

Mill

Firmware Engineer

San Bruno, CA

$185 - $210K/hr

We're seeking a Firmware Engineer to design, develop, and implement low-level firmware for our next-generation connected product. You'll work closely with cloud services, mobile app, product and ...

Mill

Firmware Engineering Manager

San Bruno, CA

We're seeking a Firmware Engineering Manager to lead the design, development, and implementation of low-level firmware for our next-generation connected product, while remaining hands-on as an ...

Mill

Firmware Engineering Manager

San Bruno, CA · On-site

We're seeking a Firmware Engineering Manager to lead the design, development, and implementation of low-level firmware for our next-generation connected product, while remaining hands-on as an ...

Mill

Senior Electrical Engineer

San Bruno, CA · On-site

$195K - $225K/yr

Mill is a waste prevention technology company reimagining what it means to eliminate waste ... You'll work hands-on with firmware, mechanical, and systems engineers, taking embedded Linux ...

Mill

Senior Electrical Engineer

San Bruno, CA

$195K - $225K/yr

Mill is a waste prevention technology company reimagining what it means to eliminate waste ... You'll work hands-on with firmware, mechanical, and systems engineers, taking embedded Linux ...

Mill

Senior Electrical Engineer

San Bruno, CA · On-site

$195K - $225K/yr

As a Senior Electrical Engineer at Mill, you will own the compute, sensing, and connectivity layer ... You'll work hands-on with firmware, mechanical, and systems engineers, taking embedded Linux ...

Mill

Senior Electrical Engineer

San Bruno, CA

$195K - $225K/yr

As a Senior Electrical Engineer at Mill, you will own the compute, sensing, and connectivity layer ... You'll work hands-on with firmware, mechanical, and systems engineers, taking embedded Linux ...

Mill

Hardware Test Engineer

San Bruno, CA

$130K - $145K/yr

Mill is a waste prevention technology company reimagining what it means to eliminate waste ... Partner with algorithms and firmware teams to verify operational intent of features and systems ...

Mill

Hardware Test Engineer

San Bruno, CA · On-site

$130K - $145K/yr

Mill is a waste prevention technology company reimagining what it means to eliminate waste ... Partner with algorithms and firmware teams to verify operational intent of features and systems ...

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Infographic showing various Senior Firmware Engineer job openings at Mill in the United States as of July 2026, with employment types broken down into 13% Internship, and 87% Full Time. Highlights an 94% Physical, and 6% Remote job distribution.
Firmware Engineer

Firmware Engineer

Mill

San Bruno, CA • On-site

$185 - $210K/hr

Full-time

Posted 12 days ago

Job description

Mill is a waste prevention technology company reimagining what it means to eliminate waste, starting with food. We build smart systems and infrastructure for homes, businesses, and municipalities that transform food scraps from landfill-bound waste into valuable resources, including chicken feed. Tens of thousands of Mill's residential food recyclers are already helping households divert millions of pounds of food scraps every year, paving the way for our upcoming launch of Mill Commercial-the industry's first end-to-end solution for managing, understanding, and preventing food waste in commercial environments (e.g. grocery, restaurants, food services). At Mill, we are passionate about building easy-to-use, beautifully designed technologies that keep food in the food system and out of landfills.
We're seeking a Firmware Engineer to design, develop, and implement low-level firmware for our next-generation connected product. You'll work closely with cloud services, mobile app, product and hardware teams to integrate Wi-Fi, Bluetooth, and other connectivity features seamlessly, while actively collaborating and contributing as a key team player.
Key Responsibilities
  • Design and implement robust firmware on MCU platforms, ensuring support for wireless connectivity, data upload, OTA updates, sensor integration, and other core functionalities.
  • Develop and optimize communication stacks for Wi-Fi, Bluetooth, and other wireless protocols, ensuring reliable pairing, network configuration, and data exchange.
  • Write efficient low-level code that integrates with hardware peripherals (e.g., RF modules, sensors) using standard interfaces such as GPIO, I2C, SPI, and UART.
  • Apply best practices for error handling and performance optimization to support robust connectivity features.
  • Work closely with cross-functional teams to rigorously debug, test, and troubleshoot firmware, ensuring optimal performance, reliability, and security.
  • Engage actively with multidisciplinary teams, sharing insights and aligning on system-level requirements to drive cohesive project success.
  • Contribute to the deployment readiness of our systems for large-scale production.
  • Evaluate code from peers to maintain best practices in style, accuracy, and efficiency.
Required Qualifications
  • Bachelor's degree in Computer Science, Electrical Engineering, or equivalent experience, with 3+ years work experience in embedded systems development.
  • Deep understanding of computer networking and firmware for data-intensive applications.
  • Strong expertise in C programming for embedded systems, with a solid grasp of memory management and real-time operating system principles.
  • Hands-on experience with connectivity modules (Wi-Fi, Bluetooth) and RTOS (FreeRTOS preferred).
  • Proficiency in hardware-software interfacing, including protocols like GPIO, I2C, SPI, and JTAG.
  • Proficiency with troubleshooting tools (debuggers, Wireshark) and measurement equipment (multimeters, oscilloscopes, logic analyzers).
  • Demonstrated expertise in debugging and rigorous testing to quickly identify and resolve complex issues.
  • Familiarity with version control, CI, and build systems.
Preferred Skills
  • Experience with ESP32 microcontrollers.
  • Working knowledge of cloud computing protocols (e.g., MQTT) and platforms like AWS (AWS CDK is a plus).
  • Experience with cellular connectivity.
  • Excellent communication and interpersonal skills to foster a collaborative, team-oriented environment.

The estimated base salary range for this position is $185-$210K which does not include the value of benefits or a potential equity grant. A wide range of factors are considered in making compensation decisions, including but not limited to skill sets, market conditions, experience and training, licensure and certifications, and business and organizational needs.

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