Principal Software Engineer

🎯 Role Overview & Mission

This engineer develops the embedded software brain powering smart radio scanners for Impinj, ensuring reader hardware instantly and accurately decodes hundreds of simultaneous tag signals on fast-moving conveyor lines.

As Principal Software Engineer at Impinj, you will focus on RAIN / UHF RFID Protocols, directly supporting high-throughput supply chain tracking, automated item identification, and next-generation wireless IoT infrastructure.

⚙️ Key Responsibilities & Core Tasks

• We're seeking a Principal Software Engineer to join our growing Platform Engineering team, building the next-generation RAIN RFID platform for a diverse set of applications, from healthcare to logistics to retail. • In this role, you will help build our RAIN RFID data integration stack for our reader products, tackling challenges such as efficient stream processing of large volumes of data, complex algorithms to extract insight from raw RFID data, and a software stack that scales from a single reader to a global deployment. Principal engineers at Impinj are software authorities who work as part of a team, taking on our hardest challenges and delivering innovative, effective solutions while collaborating with engineers across the stack — from tagged items to the cloud. • Design, build, and evolve the software stack behind our RAIN RFID data integration platform, from embedded readers through cloud services • Develop algorithms that extract actionable insight from raw RFID data for customers across healthcare, logistics, and retail • Build distributed systems that scale seamlessly from a single reader to a global deployment of readers

📡 Required RFID Protocols & Technical Architecture

• Impinj RAIN RFID (R700 / E710 / Speedway)

🏢 Workplace & Hiring Footprint

• Location: Seattle, United States • Work Model: Hybrid • Hiring Scope: Verified enterprise opening with career advancement in wireless IoT engineering.