Backend Developer – Energy Management & Optimization (w/m/d)

Your Key Responsibilities

• Optimization Services: Develop and enhance backend services that implement household energy optimization strategies.
• Device Interoperability: Build APIs and interfaces to connect a wide range of smart energy devices to our platform.
• Time Series Data Handling: Design, query, and optimize time series data flows.
• Scalable Backend Development: Write clean, efficient, and maintainable code for our microservice-based architecture.
• Cross-Functional Collaboration: Work closely with Product Managers and other Engineers to translate requirements into reliable backend solutions.

The Job

As a Backend Developer at SpotmyEnergy, you’ll design and scale the core services powering our household energy management system. Your work will focus on building optimization logic and ensuring seamless integration with devices such as EV chargers, heat pumps, PV systems, and home batteries. By working with time series data and distributed backend systems, you’ll help create smarter, automated energy solutions that drive sustainability and efficiency.

Your Profile

• Programming Expertise: Strong experience in backend development with Golang; Python experience is a plus.
• Database Knowledge: Proficient with PostgreSQL and experienced in handling time series data (Influx / Timescale).
• Backend Architecture: Familiar with microservice architectures and distributed systems.
• Containerization & Cloud (Plus): Hands-on experience with Docker, Kubernetes, and AWS is advantageous.
• Energy Sector Interest (Preferred): Knowledge of energy systems, smart devices, or sustainability topics is highly valued.
• Team Player: Excellent communication skills and a collaborative mindset across Product and Tech.
• Language Skills: Fluent English for teamwork and stakeholder discussions; German is a plus.
• Location: Residence in Germany with willingness to attend quarterly team events in Cologne.

Our Offer

• Mission & Growth: Join a fast-growing scale-up that doesn’t just participate in the energy transition, but drives it forward with ambition, impact, and real execution power.
• Learning & Development Curve: From strategy to hands-on implementation – you’ll gain the full spectrum, steep learning curves, and the opportunity to continuously grow both personally and professionally.
• Culture & Team: Be part of an ambitious, highly motivated team that pushes each other, celebrates successes, and strengthens bonds through regular events in Cologne or Berlin.
• Flexibility: Enjoy a modern, remote-friendly work environment that empowers you to take ownership of your work and smartly balance life and career.