Senior Backend Software Engineer

Senior Backend Software EngineerWe are seeking a Senior Backend Software Engineer to join our team building the cloud-based glue that gives our users access to the rich information and controls provided by SPAN Panel, SPAN Drive, and future generations of our products. Our system collects a large volume of energy monitoring data that needs to be stored, processed and exposed in different ways for different end users from homeowners to utility operators. We're also opening up never-before available levels of control of the energy in the home that need to be accessed in secure and easy-to-use APIs.You'll join our cloud software engineering team and work with other engineers including data engineering, mobile, web, device software (firmware), and systems software teams. Working with the team, you'll lead the design and implementation of systems that integrate our hardware, mobile apps, dashboards and external APIs. You'll work with product owners and other engineers to build features from start to finish. You'll bring deep infrastructure expertise to bear as a bridge between the Cloud and Platform teams — shaping Kubernetes strategy, networking architecture, and observability standards alongside building product features.ResponsibilitiesDesign and develop new features and subsystems in the SPAN Cloud to support a variety of end users from homeowners, installers, fleet and utility partners.Bridge the Cloud and Platform teams on cross-cutting work involving service deployment, reliability, and infrastructure design.Work cross-functionally with product and design teams to learn about our customers, identify solutions and develop the features that solve their needsCollaborate between firmware, frontend and backend engineers on projects to seamlessly build a cohesive productWork in our Kotlin and TypeScript cloud with gRPC, REST APIs and GraphQL as well as communicating with our IoT devices over MQTT.Design APIs and data specifications for internal and external users, including large-scale B2B enterprise clients.Mentor and collaborate with team members, sharing knowledge and best practices to elevate the entire engineering organizationMaintain and evolve services over time, including planning for scaling, major version upgrades, and long-term technical debt managementAct as the Cloud team's subject matter expert on Kubernetes, service networking, and observability — advising on architecture decisions and standards.Potential ProjectsArchitect and co-ordinate full-stack solutions to enable new panel functionality such as geolocation-specific demand reduction to assist in reducing peak power draw.Design and build 3rd party cloud-based integrations with a variety of other hardware partnersScale our existing cloud and data infrastructure to support SPAN's growing fleetBuild and maintain event-driven systems using Kafka to process high-volume energy monitoring dataDefine and drive adoption of Kubernetes networking and observability standards (including service mesh and Datadog integration patterns) across the Cloud engineering team.Integrate payment processing systems including app store payments and subscription billingAbout YouRequired Qualifications4+ years of experience as a backend engineer with a track record of taking ownership of projects and features.Experience collaborating with engineers from multiple domains to complete projects.Experience with Cloud-native platforms like AWS, GCP, Azure (we use AWS).Experience collaborating with coworkers in shared code base using industry standard tools and processes including version control, type systems, linting and unit testingUnderstanding engineering principles and processes to design robust, scalable and resilient systems4+ years of professional experience in a common backend programming language and a desire to work with Kotlin, TypeScript, and PythonStrong JVM expertise with deep understanding of JVM internals, performance tuning, and memory management with proven track record of maintaining services over time, including planning for scaling, major version upgrades, and managing technical debtDeep experience with Apache Kafka including topics, consumer groups, stream processing, and event-driven architecturesHands-on Kubernetes experience including debugging workloads, understanding networking (DNS, ingress, service mesh), and advising on deployment architecture.Experience operating observability platforms at scale (Datadog or equivalent) — dashboards, alerting, distributed tracing, and incident response.Bonus QualificationsWe would love to hire someone with experience working in one or more of the following areas:Internet of Things (IoT) products (e.g. AWS IoT, Google Cloud IoT, something homegrown) or other hardware component A variety of different datastores (e.g. SQL and noSQL, key-value stores, document stores)gRPC or GraphQL APIs.Products with a rich mobile appInfrastructure as code tools like Pulumi or Terraform etc.Familiarity with Data Engineering technologies such as Flink and SparkExperience with service mesh technologies (Istio or equivalent)Spring Boot or Micronaut framework experienceApp store payments or Stripe billing integrationB2B enterprise APIs and partner integrationsExperience with tenant isolation patterns (inside a broader multi-tenant architecture)Life at SPANHeadquartered in San Francisco's vibrant SoMa neighborhood, we are an eclectic group of creative thinkers who value open communication, teamwork, and a 'make it happen' approach to addressing complex challenges.SPAN embraces diversity and equal opportunity in a serious way. We are committed to building a team that represents a variety of backgrounds, perspectives, and skills.We're hiring talented individuals who are driven by success and are passionate about shaping the future of renewable energy. If that sounds like you, we'd love for you to consider joining the rapidly growing team at SPAN.The Perks:Competitive compensation + equity grants at a well-funded, venture-backed companyComprehensive benefits: 100% employee premiums for base plans on medical, dental, vision with options for additional coverage. Parental leave up to twenty four (24) weeks depending on eligibilityComfortable, sunny office space located near BART and Caltrain public transitStrong focus on team building and company culture: Employee Resource Groups, monthly social events, SPANcakes recognition breakfast, lunch, and learnsFlexible hours, one holiday per month, and flexible time offInterested in joining our team? Apply today and we'll be in touch with the next steps!