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Impinj

Principal Software Engineer

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In-Office
Seattle, WA
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Seattle, WA

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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 our vision of a boundless IoT— connecting trillions of everyday items to the Internet. 

Team Overview:

Impinj is seeking a Principal Software Engineer specializing in IoT and embedded applications to join our Solutions Software organization working with the Applied RF team to deliver on-reader software solutions. In this position, you will work in collaboration with our Platform Software, Hardware, and Systems Engineering teams to design and develop innovative RAIN RFID solutions at scale.

Our platform of tags, readers, gateways, and software allows us to give a digital identity to billions of everyday items. If you have a passion for using technology to fundamentally change the way companies run their business, this is the role for you.

What you will do:
  • Leverage deep subject matter expertise in embedded Linux and network communication protocols to lead the design and development of embedded IoT solutions at scale
  • Apply expertise in software architecture to help build modular software designs that allow for component reuse across multiple solutions and deployments
  • Partner with stakeholders to determine user requirements for one or more complex use cases
  • Rapidly prototype new algorithmic approaches to RAIN RFID solutions to enable internal research and innovation
  • Provide technical leadership for the design and development of new features, products, applications or services
  • Design high-performance APIs using MQTT, HTTP/REST, Kafka, AMQP, ZeroMQ or other related network technologies
  • Mentor engineers to produce high-quality, reusable and maintainable code used across the product portfolio
  • Champion and encourage the utilization of software engineering methodologies, including code coverage, static analysis, continuous integration, etc.
  • Stay ahead of emerging technologies and trends to improve product reliability, performance, and customer experience
  • Operate within a hybrid environment, working a few days of the week from our office in South Lake Union or our Lab in North Beacon Hill
What you will bring:
  • Bachelor's degree in computer science, computer engineering, or related technical field
  • At least 15 years of experience building high-quality software solutions on embedded, network connected devices in C or C++
  • Experience in defining the vision and driving implementation of sophisticated, scalable, and reliable platform solutions
  • Experience delivering high-quality, tested code across multiple release cycles
  • Experience with MQTT, HTTP/REST, Kafka, AMQP, ZeroMQ or other related network technologies
  • Experience with designing, developing, and deploying IoT solutions at scale
  • Demonstrated experience in version control systems like Git for tracking changes and collaborating on code.
  • Good understanding of the software development lifecycle, structured project management, collaborative coding practices (such as code reviews and pair programming), and continuous improvement of code quality
  • Experience with performance optimization, parallel processing, and efficient data structures to ensure scalable, high-performance applications
  • Strong communication skills to convey complex technical concepts to teammates and non-technical stakeholders
  •  Proven track record leading and mentoring software teams
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 $168,000 - $267,000. 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, click here. 

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.

Impinj Seattle, Washington, USA Office

Seattle, WA, United States

What you need to know about the Seattle Tech Scene

Home to tech titans like Microsoft and Amazon, Seattle punches far above its weight in innovation. But its surrounding mountains, sprinkled with world-famous hiking trails and climbing routes, make the city a destination for outdoorsy types as well. Established as a logging town before shifting to shipbuilding and logistics, the Emerald City is now known for its contributions to aerospace, software, biotech and cloud computing. And its status as a thriving tech ecosystem is attracting out-of-town companies looking to establish new tech and engineering hubs.

Key Facts About Seattle Tech

  • Number of Tech Workers: 287,000; 13% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: Amazon, Microsoft, Meta, Google
  • Key Industries: Artificial intelligence, cloud computing, software, biotechnology, game development
  • Funding Landscape: $3.1 billion in venture capital funding in 2024 (Pitchbook)
  • Notable Investors: Madrona, Fuse, Tola, Maveron
  • Research Centers and Universities: University of Washington, Seattle University, Seattle Pacific University, Allen Institute for Brain Science, Bill & Melinda Gates Foundation, Seattle Children’s Research Institute

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