As a Senior Software Engineer on our growing Battery team, you will design and develop backend services that support residential battery programs while maintaining a strong security posture across our infrastructure. Working closely with leading battery providers, you will improve grid flexibility and help push virtual power plants forward towards a sustainable climate future.This role is back-end and data focused, giving you the opportunity to build services, APIs, and new features to improve the quality and breadth of our battery solutions.You would join a relatively new and growing team with the opportunity to contribute to highly visible projects with significant client impact. Partnering with engineers, product, and OEMs, you will design backend services that provide direct client value and unlock the full potential of residential batteries.Main Responsibilities: What you'll doBuild and maintain features across our battery solutionDevelop and maintain our client-facing REST API and the backend logic that powers itBuild integrations with distributed internal services to abstract away complexity and enable new product capabilitiesEnsure proper security and data protection policies, procedures, and monitoring are in placeCollaborate with product and engineering to continuously improve requirements and software qualityCollaborate with other teams to enable new API features and help them build on top of utility client dataDrive and embody the “Dev Owns Quality” cultureWrite and maintain technical documentationOther duties as assignedRequired Skills and Experience: What you need5+ years of professional software engineering experienceExperience with the Java/Spring ecosystemExpertise in RESTful web APIs, especially those targeting external clientsStrong software design skillsFamiliarity with relational database fundamentals (we mostly use PostgreSQL)Strong problem-solving skills, capable of balancing multiple use cases while enabling flexibilityKnowledge of modern security best practices, authentication/authorization frameworks, and system/API hardeningKnowledge of development best practices including automated testing, CI/CD, and monitoring (e.g. GitHub Actions, DataDog, Sentry, Metaplane)Ability to work both autonomously and collaboratively as the situation demandsPreferred Skills and Experience: Nice-to-havesExperience with PythonExperience with AWS or other cloud providersExperience with microservice architectures and event-driven messaging systemsExperience with React and other web technologiesExperience with protocol buffers and gRPCExperience with containerized systemsExperience with MongoDBPlease note that sponsorship of new applicants for employment authorization, or any other immigration-related support, is not available for this position at this time.Why work for EnergyHub?Collaborate with outstanding people: Our employees work hard, do great work, and enjoy collaborating and learning from each other.Make an immediate impact: New employees can expect to be given real responsibility for bringing new technologies to the marketplace. You are empowered to perform as soon as you join the team!Gain well rounded experience: EnergyHub offers a diverse and dynamic environment where you will get the chance to work directly with executives and develop expertise across multiple areas of the business.Work with the latest technologies: You'll gain exposure to a broad spectrum of IoT, SaaS and machine learning obstacles, including distributed fault-tolerance, device control optimization, and process modeling to support scalable interaction with disparate downstream APIs.Be part of something important: Help create the future of how energy is produced and consumed. Make a positive impact on our climate.About EnergyHubEnergyHub empowers utilities and their customers to create a clean, distributed energy future. We help consumers turn their smart thermostats, EVs, batteries, and other products into virtual power plants that keep the grid stable and enable higher penetration of solar and wind power.Company BenefitsEnergyHub offers a generous benefits package including 100% paid medical for employees and a 401(k) with employer match. We offer a casual environment, the flexibility to set your own schedule, a fully stocked fridge and pantry, free Citi Bike membership, secure bike rack, gym subsidy, paid parental leave, and an education assistance program.EnergyHub is an Equal Opportunity Employer. EOE, Including Disability/Vets. Reasonable accommodations are available for individuals with disabilities throughout the application process.