Senior Backend Software Engineer - Seattle

About this role

<div class="content-intro"><p><strong>ABOUT LVT</strong></p> <p><a href="https://www.lvt.com/resources/why-work-at-lvt">LVT</a> is redefining how businesses operate in the physical world, moving beyond traditional security solutions to deliver AI-driven, actionable intelligence that makes sites smarter, safer, and more secure. Since pioneering our first <a href="https://www.lvt.com/story">mobile, solar-powered units</a>, our commitment to scrappy, hands-on innovation has made us an established leader and one of the fastest-growing companies in intelligent site technology. We are building the next generation of solutions—from our physical units in the field to a powerful Agentic AI platform—that allows our customers to gain unprecedented visibility and control over safety, compliance, and operations. This is your chance to <a href="https://www.lvt.com/careers">join a cutting-edge team</a> that isn't just watching the world change, but actively building the technology that is changing it.</p> <p>We’re a team that’s focused on growth and innovation, and we’re proud that our crew, products, and leadership are being recognized for it.</p> <ul> <li><strong>A Top-Tier Growth Company: </strong>Named one of the <em>Financial Times’ Fastest Growing Companies 2025</em> and <em>#10 on the Inc. 5000 Rocky Mountain Regional</em> list for 2025.</li> <li><strong>Innovative Leadership: </strong>Our CEO, Ryan Porter, was named an <em>EY Entrepreneur of the Year 2025</em>, and our CTO, Steve Lindsey, was inducted into the <em>Silicon Slopes CTO Hall of Fame</em> in 2024.</li> <li><strong>Product & Software Excellence: </strong>We were named one of <em>The Software Report’s Top 100 Software Companies of 2023</em> and are a winner of the <em>Security Today Govies Award </em>for 2025.</li> </ul></div><h3 data-path-to-node="8">ABOUT THIS ROLE</h3> <p id="p-rc_db4653f10b5a885d-47" data-path-to-node="9">As a Senior Fullstack Software Engineer at LVT, you will play a critical role in designing, building, and scaling software across our entire user interface surface area and the mission-critical backend services supporting it. <span class="citation-1320 citation-end-1320">You will own features end-to-end—from building responsive React applications to optimizing our federated GraphQL subgraphs.</span> Working alongside a highly collaborative team, your engineering judgment will directly shape how enterprise customers interact with real-time IoT data and advanced automated workflows.</p> <p data-path-to-node="10"> </p> <h3 data-path-to-node="11">ROLE RESPONSIBILITIES</h3> <ul data-path-to-node="12"> <li> <p id="p-rc_db4653f10b5a885d-48" data-path-to-node="12,0,0"><strong data-path-to-node="12,0,0" data-index-in-node="0">Deliver High-Quality Software End-to-End:</strong><span class="citation-1319 citation-end-1319"> Design, build, test, and ship robust features across our full stack, ensuring code aligns with high-performance standards from UI components to backend REST and GraphQL services.</span></p> </li> <li> <p id="p-rc_db4653f10b5a885d-49" data-path-to-node="12,1,0"><strong data-path-to-node="12,1,0" data-index-in-node="0">Cross-Service Architecture & Debugging:</strong><span class="citation-1318 citation-end-1318"> Trace, isolate, and resolve complex, systemic bugs across service boundaries (UI, API gateways, subgraphs, and legacy codebases) to ensure seamless performance.</span></p> </li> <li> <p data-path-to-node="12,2,0"><strong data-path-to-node="12,2,0" data-index-in-node="0">API & Data Integrity:</strong> Define clear data contracts between microservices, maintain schema federation hygiene, and architect secure, scalable real-time WebSocket data flows.</p> </li> <li> <p id="p-rc_db4653f10b5a885d-50" data-path-to-node="12,3,0"><strong data-path-to-node="12,3,0" data-index-in-node="0"><span class="citation-1317">Promote Reliability and Performance:</span></strong><span class="citation-1317 citation-end-1317"> Write and run comprehensive tests, instrument critical system metrics, and build operational dashboards to proactively monitor system health and minimize downtime.</span></p> </li> <li> <p id="p-rc_db4653f10b5a885d-51" data-path-to-node="12,4,0"><strong data-path-to-node="12,4,0" data-index-in-node="0"><span class="citation-1316">Technical Mentorship:</span></strong><span class="citation-1316 citation-end-1316"> Provide technical guidance and constructive code reviews to mid-level and junior engineers, encouraging best practices and continuous learning across the team.</span></p> </li> <li> <p id="p-rc_db4653f10b5a885d-52" data-path-to-node="12,5,0"><strong data-path-to-node="12,5,0" data-index-in-node="0"><span class="citation-1315">Continuous Engineering Improvement:</span></strong><span class="citation-1315 citation-end-1315"> Collaborate across adjacent QA, DevOps, and architecture teams to accelerate CI/CD pipelines, enhance stack-wide type…