Software Engineer - Node.js (m/f/d)

We are an innovative software startup in the renewable energy sector, focused on enabling the efficient and cost-effective operation of tenant electricity (Mieterstrom) projects and other decentralized energy supply concepts. Our solutions empower environmentally friendly business models for energy providers, real estate companies, and operators of renewable energy systems.

Our young and dynamic team works from offices in Stuttgart and Berlin. We place great value on strong collaboration, individual growth opportunities, and an open and transparent company culture.

At our company, you'll have the opportunity to learn from experienced founders and industry experts. We offer numerous opportunities for personal development and the chance to apply your skills in a forward-looking and rapidly growing market.

We are currently looking for a Software Engineer to join our team in Berlin. In this role, you will contribute to the development and optimization of our software platform, which enables the implementation of tenant electricity and other decentralized energy solutions. You’ll be involved in building scalable, reliable, and user-friendly applications that support the energy transition.

• Take full ownership - from idea to launch. Our "Shape Up" driven product development means you'll ship meaningful work, not just tickets. We don't just talk ownership - we live it, together.


• Design, develop, and maintain scalable microservices


• Integrate, process, and store large volumes of metering data


• Develop and manage invoicing logic at scale


• Actively participate in evaluating and introducing innovative backend technologies, tools, and deployment pipelines


• Collaborate with an experienced engineering team throughout the entire product development lifecycle, following the "We build it - we run it" philosophy

• 3+ years of professional software engineering experience


• 1+ years of experience with Node.js and TypeScript


• In-depth knowledge of relational database systems, particularly PostgreSQL


• Proficiency in building and testing APIs with REST or gRPC


• Enthusiasm for exploring and adopting new technologies


• Experience with deploying and using cloud infrastructure, including Pub/Sub, Cloud Functions or Storage


• Proficient in using development platforms and tools such as Git, NPM, Linting and Docker


• Commitment to agile development methodologies


• A Bachelor's degree in a scientific field is required


• Good German and English skills

• Collaborate with highly experienced founders and passionate software engineers


• Enjoy flexible working hours and the option to work partially from home, whether you're an early bird or a night owl


• Work in our office in Berlin, surrounded by good vibes and excellent coffee alongside an amazing team


• Share in the company's success with stock options


• Access all the tools you need to excel, including a MacBook Pro


• Thrive in an open-minded culture with regular team events


• Benefit from a continuing education budget for courses, books, conferences, and training


• Take advantage of perks such as an Urban Sports Club membership, Public Transport Ticket, and Job Bike