Senior Software Engineer

Join our growing Battery team as a Senior Software Engineer. In this role, you will design and develop backend services that support residential battery programs, improve grid flexibility, and contribute to a sustainable climate future. You will work closely with leading battery providers and have the opportunity to build services, APIs, and new features to enhance our battery solutions. This position is back-end and data focused, allowing you to make a significant impact on highly visible projects.

• Design and develop backend services that support residential battery programs while maintaining a strong security posture across the infrastructure.
• Collaborate with product and engineering teams to continuously improve requirements and software quality, and drive the “Dev Owns Quality” culture.
• Build and maintain features across the battery solution, develop and maintain the client-facing REST API and the backend logic that powers it.

• 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
• Familiarity with relational database fundamentals (we mostly use PostgreSQL)
• Strong problem-solving skills, capable of balancing multiple use cases while enabling flexibility
• Strong software design skills
• 5+ years of professional software engineering experience
• Expertise in RESTful web APIs, especially those targeting external clients
• Knowledge of modern security best practices, authentication/authorization frameworks, and system/API hardening
• Experience with the Java/Spring ecosystem
• Experience with Python
• 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