Staff Software Engineer I

EnergyHub (part of) is looking to hire a Staff Engineer to join the Ground Control platform team. There you will play a critical role in ensuring the scalability and flexibility of our product by abstracting partner and client specific complexities to enable other internal teams to build new features and functionality quickly. This is an opportunity to join a highly energized team of engineers eager to define and develop key concepts solve complex challenges with real-world constraints and have a positive impact on our climate future. We will be focusing on migrating from a monolithic to a microservices architecture and delivering well defined contracts to the broader organization.

Were seeking a candidate who is passionate about software engineering and thrives in a collaborative environment. Your eagerness to contribute to the teams success and the wider organization will be this role you will be responsible for designing developing and maintaining complex backend and web applications using Java and React. You will play a key role in all stages of the development lifecycle and work closely with cross-functional teams to deliver robust scalable solutions. You will be pivotal in creating and maintaining the service architecture platform and tools necessary for a scalable reliable observable and performant microservices ecosystem.

The team values working together and collaborating in person. We are building a new team in Krakow. Our employees work fully from the office with possibility to work remotely occasionally.

Main Responsibilities: What youll do

• Own and evolve architecture Define document and socialize platform-wide architectural decisions for backend services and API contracts using Java (Spring Boot) and complementary technologies.
• Technical leadership across teams Partner with engineering leads on multiple teams to ensure scalable secure and performant service designs.
• Hands-on development Design and implement critical backend and frontend components leveraging Java React scripting (Python3) and strong data modeling.
• Mentorship & guidance Coach senior and mid-level engineers elevate code quality through reviews and instill best practices for design testing and deployment.
• Complex problem-solving Anticipate and resolve systemic challenges affecting resilience observability and engineering velocity.
• Platform ecosystem design Create tools libraries and patterns that improve service reliability and development efficiency organization-wide.
• Cross-functional collaboration Work closely with Product Managers and other stakeholder groups to balance technical vision with product goals and delivery timelines.
• Operational excellence Champion CI/CD improvements automated testing strategies (unit/integration/e2e) and best-in-class monitoring and alerting.
• Technology stewardship Stay on top of emerging technologies and patterns advocating for those that advance scalability performance and maintainability.

Required Skills and Experience

• 8 years of professional software engineering experience with a proven track record of delivering complex high-impact systems in production.
• Deep expertise with Java (preferably Java 11) Spring Framework (Spring Boot) and relational/non-relational databases.
• Advanced understanding of microservices architecture design distributed systems principles and interoperability patterns.
• Strong experience designing and evolving client-facing APIs and contracts with developer usability in mind.
• Demonstrated ability to work across organizational boundaries influence technical direction and align diverse teams on strategic decisions.
• Proven mentorship abilitycultivating technical growth in other engineers guiding system design discussions and improving organizational engineering practices.
• Exceptional communication and collaboration skills especially in complex cross-functional initiatives.

Preferred Skills and Experience

• Experience with PostgreSQL MongoDB AWS and Robot Framework in production environments.
• Familiarity with cloud platforms (AWS Azure or GCP) containerization and deployment automation.
• Exposure to frontend technologies such as React with an understanding of how backend choices influence frontend capabilities.
• Track record of driving systemic improvements to developer experience observability performance and resilience.
• Experience guiding migration from monolithic systems to microservices including defining domain boundaries and API contract strategies.

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: We offer 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: Youll 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.
• Long-term employment based on a permanent employment contract (CoE).
• Attractive benefits package: including medical care life insurance sports package annual budget for professional development ($2000).

About EnergyHub

EnergyHub 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.

EnergyHub is an Equal Opportunity Employer

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