Sr Software Engineer, Platform

Welcome to the intersection of energy and home services. At NRG, we’re driven by our passion to create a smarter, cleaner and more connected future. Vivint Smart Home, an NRG owned company, is a leading smart home company in the United States, dedicated to redefining the home experience with intelligent products and services. We find purpose in proactively protecting and keeping our customers connected to home, no matter where they are. Join the Smart Home team to create smarter, safer and more sustainable homes. Senior Software Engineer – Platform Infrastructure Who We Are Vivint Smart Home is redefining the future of home automation and security at massive scale. With millions of connected devices and customers across North America, we operate one of the largest IoT platforms in the industry -- powering real-time experiences that matter in our customers’ homes every day. We’re building a new engineering presence in Seattle to accelerate innovation and raise the bar on platform engineering. This team will take on some of the hardest distributed systems and infrastructure challenges in the company. If you’re excited by ownership and the opportunity to build systems that operate at scale in the real world, this is your chance to help shape both the technology and the culture from the ground up. The Opportunity We are hiring experienced engineers to help define and build the next generation of Vivint’s platform infrastructure. You will design and operate systems that power real-time smart home experiences—spanning cloud services, event pipelines, APIs, and IoT integrations. Your work will directly impact millions of devices and customers. This Is a High-ownership, High-impact Role Where You’ll Build and scale distributed systems that handle large volumes of real-time eventsDrive architecture and technical direction, not just implementationImprove performance, reliability, and operability of core platform servicesCollaborate across mobile, backend, embedded, and data teams to deliver end-to-end experiencesHelp establish engineering practices and technical culture for a growing Seattle team What You’ll Do Design and implement high-scale cloud services and APIs used by mobile apps, cameras, and smart home devicesOwn systems end-to-end: design, deployment, observability, and production operationsContribute to and lead architecture discussions for new platform capabilitiesBuild systems that are secure, resilient, and low-latency in a distributed environmentDevelop event-driven systems and integrations across IoT, backend services, and mobile platformsMentor engineers and raise the overall engineering bar Required Qualifications What We’re Looking For 5+ years of experience building and operating production systems (we are open to Senior → Staff level)B.S. in Computer Science or related field preferredStrong experience in Go, Python, or similar backend languagesExperience designing distributed systems with scalability, availability, and performance in mindExperience building REST and/or gRPC APIsStrong problem-solving skills and a track record of ownership and executionExperience working with modern cloud-native tooling (containers, orchestration, CI/CD) Preferred Qualifications Experience with event-driven architectures (Kafka, messaging systems)Experience with IoT systems or device communication protocols (e.g., MQTT)Familiarity with Kubernetes, Docker, and cloud infrastructureExperience with NoSQL databases (e.g., MongoDB)Experience with video streaming and technologies (e.g. MP4, HLS, ffmpeg)Experience using AI-assisted development tools for engineering workflows What Makes This Role Different Greenfield team in Seattle – help define the culture, technical direction, and hiring barMassive real-world scale – millions of connected devices generating continuous event streamsFull ownership – from design through productionCross-domain complexity – IoT + cloud + mobile + real-time systemsInnovation-first culture – including programs like quarterly Innovation Week to explore new ideas Compensation & Benefits Competitive compensationPerformance bonus (AIP)Comprehensive health benefits, 401(k), and wellness programsEmployee Stock Purchase PlanFlexible time off Why Join Us You’ll work on systems that matter—where reliability, latency, and correctness directly affect people’s homes and safety. This is a chance to join at an inflection point, influence the architecture, and help build a high-caliber engineering hub. We support the use of AI tools to help you prepare for your interview (e.g., practicing responses, researching the role, or refining your resume). However, during interviews and assessments, we expect responses to reflect your own thinking, experience, and communication. Use of AI to generate or read answers in real time, complete assessments, or misrepresent your qualifications is not permitted and may impact your candidacy. NRG Energy is committed to a drug and alcohol-free workplace. To the extent permitted by law and any applicable collective bargaining agreement, employees are subject to periodic random drug testing, and post-accident and reasonable suspicion drug and alcohol testing. EOE AA M/F/Vet/Disability. Level, Title and/or Salary may be adjusted based on the applicant's experience or skills. Official description on file with Talent.