Senior Software Engineer

Impinj; Seattle (WA); Hybrid; USD 112,000 - 169,000; Full time

Job summary

Impinj is seeking an experienced embedded software engineer to design, develop, and maintain software for ARM 64/32-bit processors used in future RFID reader models.

You will work with Hardware, RF Modem, Cloud, and QA teams to ensure end-to-end enterprise solutions, drive driver development, and optimize performance in constrained environments.

Qualifications

• Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or a related field.
• 5+ years of progressive software development experience with embedded solutions.
• Expertise in C and modern C++ for embedded systems.
• Proficiency in Python.

Responsibilities

• Design, develop, and maintain embedded software on ARM 64/32 bit processors and microcontrollers—from early bootloaders to modern C/C++ Linux applications.
• Own key aspects of new hardware platform bring-up, including driver development, peripheral integration, and board-level diagnostics.
• Contribute to architecture and design reviews, ensuring code quality and software scalability.
• Optimize code for performance, memory usage, and power consumption in resource-constrained environments.
• Troubleshoot, debug, and resolve issues across embedded systems.
• Write and maintain clear, detailed documentation for software architecture, design, and code.
• Conduct unit testing and ensure embedded systems meet functional and performance requirements.
• Collaborate with embedded, QA, Factory Test, and Hardware teams to improve overall organizational success.
• Mentor junior engineers and contribute to the professional growth of the embedded software team.
• Continuously learn and grow with a small but highly effective team committed to improving processes and solutions

Skills

C and modern C++

Python

Embedded Linux

Bootstrapping SoCs

Device trees

Device drivers

Firmware image build systems

GDB

SPI

UART

I2C

GPIO

Education

Bachelor's degree in Computer Science/Computer Engineering/Electrical Engineering or related field

Tools

Yocto

Buildroot

Job description

Impinj is a leading RAIN RFID provider and Internet of Things pioneer. We’re inventing ways to connect every thing to the Internet —including retail apparel, retail general merchandise, healthcare items, automobile parts, airline baggage, food and much more. With more than 100 billion items connected to date, and multiple Fortune 500 enterprises around the world using our platform, we solve for a better understanding of our world.If it’s a thing, we’re working to connect it.Join Impinj and help us realize ourvision of a boundless IoT— connecting trillions of everyday items to the Internet.

Team Overview

Impinj is a leading RAIN RFID provider and Internet of Things pioneer. We’re inventing ways to connect every thing to the Internet —including retail apparel, retail general merchandise, healthcare items, automobile parts, airline baggage, food and much more. With more than 100 billion items connected to date, and multiple Fortune 500 enterprises around the world using our platform, we solve for a better understanding of our world.If it’s a thing, we’re working to connect it.Join Impinj and help us realize ourvision of a boundless IoT— connecting trillions of everyday items to the Internet.

You will be joining the RAIN RFID Reader Platform team where you will get to work on Firmware for ARM 64/32 bit Processors that will be used in our future RFID Reader models. The RFID Reader Platform team works closely with cross-functional teams, including Hardware, RF Modem, Cloud, and QA, to ensure seamless end-to-end enterprise solutions.

What you will do:

• Design, develop, and maintain embedded software on ARM 64/32 bit processors and microcontrollers – from early bootloaders to modern C/C++ Linux applications.
• Own key aspects of new hardware platform bring-up, including driver development, peripheral integration, and board-level diagnostics.
• Contribute to architecture and design reviews, ensuring code quality and software scalability.
• Optimize code for performance, memory usage, and power consumption in resource-constrained environments.
• Troubleshoot, debug, and resolve issues across embedded systems.
• Write and maintain clear, detailed documentation for software architecture, design, and code.
• Conduct unit testing and ensure embedded systems meet functional and performance requirements.
• Collaborate with embedded, QA, Factory Test, and Hardware teams to improve overall organizational success.
• Mentor junior engineers and contribute to the professional growth of the embedded software team.
• Continuously learn and grow with a small but highly effective team committed to improving processes and solutions

What you will bring:

• Bachelor's degree program in Computer Science, Computer Engineering, Electrical Engineering, or a related field
• 5+ years of progressive software development experience with a proven track record of delivering high-quality embedded solutions
• Expertise in C and modern C++ programming for embedded systems
• Proficiency in Python
• Experience with Embedded Linux and microcontrollers – including bootstrapping SoCs, device trees, device drivers, and firmware image build systems (e.g. Yocto, Buildroot, or similar).
• Experience debugging with tools such as logic analyzers and GDB.
• Strong experience with Embedded Linux and microcontrollers
• In-depth knowledge of hardware interfaces such as SPI, UART, I2C, GPIO
• Solid understanding of hardware/software interaction and low-level programming
• Experience developing on Linux Workstation
• Familiarity with CI/CD pipelines and automated testing frameworks

Compensation & Benefits:

The benefits listed below may vary depending on the nature of your employment with Impinj and the country where you work.

The typical base pay range for this role across the US is$112,300 - $168,500. Individual base pay depends on various factors such as complexity and responsibility of role, job duties, requirements, and relevant experience and skills. Both market wage data and the mid-point of the pay range is reviewed and used as the starting point for all new hire offers. Offers are made within the base pay range applicable at the time.
At Impinj certain roles are eligible for additional rewards, including merit increases, annual bonus and stock. These awards are allocated based on individual performance. In addition, certain roles also have the opportunity to earn sales incentives based on revenue or utilization, depending on the terms of the plan and the employee’s role. US based employees have access to healthcare benefits; a 401(k) plan and company match among others.

For a more comprehensive list of US employment benefits, clickhere.

US Export Controls:

This position has access to technologies or data subject to U.S. export control regulations. Under these laws, the release or transfer of export-controlled items or information to individuals who are not classified as "U.S. persons" (as defined by Immigration & Nationality Act) may require prior authorization from the U.S. government. We may require additional documentation related to national identity to determine whether an export compliance license is required for any export-controlled items. This information is requested solely for the purpose of complying with U.S. export control laws and will not be used for other purposes. Learn more about export compliance here.

Why work at Impinj:

Know you’re making a difference. Competitive benefits. Support for remote work or a desk with a view. Weekly Q&A sessions with our executive team. Impinj provides an environment that fosters openness and innovation and is developing technology that delivers a positive impact on the world. Collaboration and teamwork are highly valued, and accomplishments are duly celebrated. We have an open paid time-off policy paired with a respect for work/life balance. Our headquarters is located in Seattle with spectacular views of the Olympics, Lake Union, and Mt Baker, which can be enjoyed from our rooftop deck. Our Brazilian site is in Porto Alegre, Rio Grande do Sul state, at “Tecnopuc,” a technology park that offers a very nice workplace for the development of groundbreaking technologies. Impinj is committed to creating a diverse and inclusive work environment and welcomes applicants from all backgrounds.

We are an equal opportunity employer and do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.