Senior Software Engineer
About the Role
Join the RAIN RFID Reader Platform team at Impinj, a leading RAIN RFID provider and Internet of Things pioneer. You will develop firmware for ARM 64/32-bit processors used in our future RFID reader models, collaborating with cross-functional teams including Hardware, RF Modem, Cloud, and QA to deliver seamless end-to-end enterprise solutions.
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.
Requirements
- Bachelor's degree 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 a Linux workstation.
- Familiarity with CI/CD pipelines and automated testing frameworks.
Pay
The typical base pay range for this role across the US is $112,300 - $168,500. Individual base pay depends on factors such as complexity and responsibility of the role, job duties, requirements, and relevant experience and skills. Eligible roles may also receive additional rewards, including merit increases, annual bonuses, stock, and sales incentives based on performance and role terms.
Benefits
- Healthcare benefits.
- 401(k) plan with company match.
- Open paid time-off policy with respect for work/life balance.
- Weekly Q&A sessions with the executive team.
- Support for remote work or a desk with a view.
- Collaborative and innovative work environment.
Work Environment
Impinj’s headquarters is located in Seattle with spectacular views of the Olympics, Lake Union, and Mt. Baker, including access to a rooftop deck. The Brazilian site is in Porto Alegre, Rio Grande do Sul state, at “Tecnopuc,” a technology park offering a modern workplace for developing groundbreaking technologies.
This position may require access to technologies or data subject to U.S. export control regulations. Compliance documentation related to national identity may be required to determine export licensing needs.