Principal Software Engineer

Responsibilities

• Design, build, and evolve the RAIN RFID data integration software stack from embedded readers through cloud services.
• Architect real-time, high-throughput stream-processing pipelines for large volumes of RFID data.
• Develop algorithms that extract actionable insights from raw RFID data.
• Build distributed systems that scale from a single reader to global deployments.
• Integrate machine learning models and inference frameworks with platform software.
• Collaborate across tagged-item, embedded, platform, and cloud engineering teams.
• Define technical vision and drive scalable, reliable platform architecture.
• Mentor engineers, advocate for software development best practices, and promote an inclusive team culture.
• Deliver well-tested, high-quality code across multiple release cycles.

Requirements

• Bachelor’s degree in ECE, computer science, or a related field, with 15+ years of software development experience, or an equivalent combination of education and experience.
• Proficiency in embedded development with C, C++, and/or Rust.
• Proficiency with Python, C#/.NET, or Go.
• Proficiency with embedded Linux platforms such as Yocto and Zephyr or similar systems.
• Proficiency implementing machine learning algorithms and using LiteRT, CUDA, PyTorch, and TensorFlow.
• Experience working with machine learning and cross-disciplinary engineering teams.
• Experience designing, implementing, and deploying scalable, reliable distributed systems.
• Experience with RFID, IoT, Bluetooth, or other embedded end-user technologies.
• Familiarity with NATS, MQTT, Kafka, AMQP, or ZeroMQ.
• Ability to create modular designs with strong test coverage.

Benefits

• Typical US base pay range is $185,000–$277,600, with possible merit increases, annual bonuses, stock, and sales incentives depending on role and plan eligibility.
• US employees have access to healthcare benefits and a 401(k) plan with company match.
• Hybrid workplace with onsite work at the North Beacon Hill lab up to three days per week, plus support for remote work.
• Open paid-time-off policy, work/life-balance support, weekly executive Q&A sessions, and an inclusive workplace.
• Seattle headquarters offers rooftop views; Impinj also operates a site in Porto Alegre, Brazil.