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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer - **Company:** ENERGYHUB, INC - **Location:** Denver, CO, United States - **Experience:** Expert - **Salary:** $130,000.0 - $170,000.0 - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Java (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Automation of Tests, Software Quality, Cyber Security, Continuous Integration, Data Security, Relational Databases, Github, Protocol Buffers, Python (Programming Language), PostgreSQL, Enterprise Messaging Systems, MongoDB, Software Engineering, Datadog, ReactJS, Backend, Sentry, Web Technologies, Restful APIs, Grpc, Microservices - **Published:** October 26, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-software-engineer-denver-co--350d217c-b438-433e-a6db-8fa289715d17 ## About the Role Software Engineering, Software Engineering, Power Plant, Application Programming Interface (API), Quality Management, OEM (Original Equipment Manufacturer), REST (Representational State Transfer), Customer Relations, Develop and Maintain Customers, Information/Data Security (InfoSec), * 5+ years of professional software engineering experience * 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) * Strong problem-solving skills, capable of balancing multiple use cases while enabling flexibility * 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 Preferred Skills and Experience: Nice-to-haves * 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 Please note that sponsorship of new applicants for employment authorization, or any other immigration-related support, is not available for this position at this time. ## Description 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 do * Build and maintain features across our battery solution * 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 * Drive and embody the "Dev Owns Quality" culture * Write and maintain technical documentation * Other duties as assigned, In connection with your application, we collect information that identifies, reasonably relates to or describes you ("Personal Information"). The categories of Personal Information that we may collect include your name, government-issued identification number(s), email address, mailing address, other contact information, emergency contact information, employment history, educational history, and demographic information. We collect and use those categories of Personal Information about you for human resources and other business management purposes, including identifying and evaluating you as a candidate for potential or future employment or future positions, recordkeeping in relation to recruiting and hiring, conducting analytics, and ensuring compliance with applicable legal requirements and Company policies. By submitting your application, you acknowledge that we may retain some of the personal data that you provide in your application for our internal operations such as managing our recruitment system and ensuring that we comply with labor laws and regulations even after we have made our employment decision. Notice To Third Party Agencies: EnergyHub understands the value of professional recruiting services. However, we are not accepting resumes from recruiters or employment agencies for this position. In the event we receive a resume or candidate referral for this position from a third-party recruiter or agency without a previously signed agreement, we reserve the right to pursue and hire those candidate(s) without any financial obligation to you.