{"id":2527061,"url":"https://alion.io/job/impinj-principal-software-engineer","title":"Principal Software Engineer","company":{"id":1955871,"name":"Impinj","domain":"impinj.com","url":"https://alion.io/company/impinj","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Seattle, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":185000,"max":277600,"currency":"USD","period":"year","gross":null,"usd_annual":277600},"salary_estimate":null,"experience_years_min":15,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Apache Kafka","optional":false},{"name":"C#","optional":false},{"name":"C++","optional":false},{"name":"CUDA","optional":false},{"name":"CUDA Toolkit","optional":false},{"name":"Linux","optional":false},{"name":"LiteRT","optional":false},{"name":"Machine Learning","optional":false},{"name":"MQTT","optional":false},{"name":"NATS","optional":false},{"name":"Platform Engineering","optional":false},{"name":"Python","optional":false},{"name":"PyTorch","optional":false},{"name":"PyTorch C++","optional":false},{"name":"Rust","optional":false},{"name":"TensorFlow","optional":false},{"name":"TensorFlow C++","optional":false},{"name":"ZeroMQ","optional":false},{"name":"C","optional":true}],"status":"live","first_seen_at":"2026-09-29T19:37:03Z","employer_posted_date":"2026-09-30","last_verified_at":"2026-10-15T02:39:00Z","board_verified":true,"closed_at":null,"days_open":15,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":15},"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 our vision of a boundless IoT- connecting trillions of everyday items to the Internet. \nTeam Overview:\nWe'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.\nIn 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.\nWhat You Will Do:\nDesign, build, and evolve the software stack behind our RAIN RFID data integration platform, from embedded readers through cloud services\nArchitect high-throughput stream-processing pipelines that handle large volumes of RFID data in real time\nDevelop algorithms that extract actionable insight from raw RFID data for customers across healthcare, logistics, and retail\nBuild distributed systems that scale seamlessly from a single reader to a global deployment of readers\nPartner with Machine Learning teams to integrate ML models and inference frameworks into the platform\nCollaborate closely with engineers across the full stack, from tagged items to the cloud, to deliver integrated, end-to-end solutions\nDefine technical vision and drive implementation of sophisticated, scalable, and reliable platform architecture\nMentor engineers, advocate for best practices in software development, and contribute to an inclusive team culture\nDeliver high-quality, well-tested code across multiple release cycles, setting the technical standard for the team\nParticipate in our hybrid workplace, working onsite at our Lab in North Beacon Hill up to 3 days per week\nWhat You Will Bring:\nBS in ECE, CS, or a related field, with 15+ years of software development experience , or an equivalent combination of education and experience\nProficiency in embedded development using C, C++, and/or Rust\nProficiency in higher-level languages such as Python, C#/.NET, or Go\nProficiency with embedded Linux platforms such as Yocto, Zephyr, or similar systems\nProficiency implementing Machine Learning algorithms and leveraging ML inference frameworks such as LiteRT, CUDA, PyTorch, and TensorFlow\nExperience interfacing with Machine Learning teams and cross-disciplinary engineering teams\nExperience designing, implementing, and deploying scalable, reliable distributed systems\nExperience with RFID, IoT, Bluetooth, or other embedded end-user technologies\nFamiliarity with network technologies such as NATS, MQTT, Kafka, AMQP, or ZeroMQ\nProven ability to build modular designs with strong test coverage\nCompensation & Benefits:\nThe benefits listed below may vary depending on the nature of your employment with Impinj and the country where you work.\nThe typical base pay range for this role across the US is $185,000 - $277,600. 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.\nAt 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.\nFor a more comprehensive list of US employment benefits, click here. \nUS Export Controls:\nThis 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.\nWhy work at Impinj:\nKnow 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.\nWe 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.","description_format":"text","description_chars":6723,"description_truncated":false,"requirements":{"experience_years_min":15,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["IoT Platforms & Solutions","Barcode & RFID Hardware"],"lifecycle":[{"event":"open","at":"2026-10-14T12:25:05Z"}],"visa":[],"liveness":{"score":67,"band":"ok","label":"Likely open","p_open":1,"p_active":0.742,"p_room":0.9,"age_days":15,"expected_fill_days":23,"reasons":["conf:0","win:mid"],"computed_at":"2026-10-15T02:56:54Z"},"pay":{"stated_usd_annual":277600,"is_top_pay":true},"html_url":"https://alion.io/job/impinj-principal-software-engineer","json_url":"https://alion.io/job/impinj-principal-software-engineer.json","meta":{"generated_at":"2026-10-15T02:56:54Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":4363,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-16T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":1955871},"rest":"https://alion.io/mcp/rest/get_company?id=1955871"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fimpinj-principal-software-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fimpinj-principal-software-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fimpinj-principal-software-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/impinj-principal-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fimpinj-principal-software-engineer"}]}