Senior Software Engineer, Battery

EnergyHub empowers utilities and their customers to create a clean, distributed energy future. As a Senior Software Engineer on the Battery team, you will design and develop backend services that support residential battery programs and collaborate with leading battery providers to enhance grid flexibility.

Responsibilities:

• Build and maintain integrations with industry-standard energy protocols and specifications, including OpenADR, IEEE 2030.5, and related smart grid/DER communication standards
• Develop and maintain our client-facing REST API and the backend logic that powers it
• Build integrations with distributed internal services to abstract away complexity and enable new product capabilities
• Ensure proper security and data protection policies, procedures, and monitoring are in place
• Collaborate with product and engineering to continuously improve requirements and software quality
• Collaborate with other teams to enable new API features and help them build on top of utility client data
• Update utility-facing Web portal to support new integrations
• Drive and embody the 'Dev Owns Quality' culture
• Write and maintain technical documentation
• Other duties as assigned

Requirements:

• 5+ years of professional software engineering experience
• Experience building against industry energy specifications such as OpenADR, IEEE 2030.5, OCPP, or similar smart grid/DER communication standards
• Experience with the Java/Spring ecosystem
• Expertise in RESTful web APIs, especially those targeting external clients
• Strong software design skills
• Familiarity with relational database fundamentals (we mostly use PostgreSQL)
• Knowledge of modern security best practices, authentication/authorization frameworks, and system/API hardening
• Knowledge 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 demands
• Experience with AWS or other cloud providers
• Experience with microservice architectures and event-driven messaging systems
• Experience with React and other web technologies
• Experience with protocol buffers and gRPC
• Experience with containerized systems
• Experience with MongoDB