Senior Software Engineer (Fullstack) - Metrify Smart Metering

About the role

You'll join a brand-new engineering team at Metrify Smart Metering, working on projects from scratch. You'll take end-to-end ownership of building and scaling core product systems, designing and implementing reliable backend services, integrating with external platforms, and contributing to frontend experiences. You'll report directly to the CTO.

What you'll do

• Build, implement, and own solutions end-to-end, collaborating closely with the team and directly with stakeholders to design, deliver, and iterate product features.
• Design and build reliable backend systems, integrating and synchronizing external systems (CRM, WFM, Wilken) with internal data. Contribute to frontend development to ensure seamless integration across the stack.
• Partner with data engineers and platform engineers to develop or integrate rule engines and automation scripts that support device or data-driven operations (e.g., self-healing, auto-escalation).
• Maintain best practices in unit testing, code review, and continuous integration.
• Monitor and optimize service performance and troubleshoot complex issues across multiple environments.
• Coach junior developers, foster a culture of clean code and innovation, and lead by example in technical discussions.

What you'll need

• Solid experience in software development with a focus on backend systems, building distributed and high-availability services.
• Experience in TypeScript/Node.js, Python, or C#, or you're tech-agnostic coming from a different background. Ideally, you have worked with RESTful API design, service-oriented architecture, and database interactions (SQL & NoSQL).
• Clear communication in English. Knowledge of German is a plus.
• You embody agile values and take ownership of identifying the problem, defining what needs to be built, and shaping the solution as it evolves. You're comfortable with ambiguity, move fast with MVPs, and keep a long-term architectural view in mind.

Nice to have

• Familiarity with containers (Docker), cloud platforms (AWS, Azure, GCP), CI/CD pipelines, external APIs, or event-driven architectures.

What they offer

• Work in Germany's first green unicorn and actively shape the solar energy revolution.
• Hybrid working model.
• Modern office in Berlin-Friedrichshain with ping-pong table, yoga corner, roof terrace, and stocked drinks fridges.
• Monthly all-hands meetings and Lunch & Learn sessions.
• Strong feedback culture and team events.
• Diverse team with more than 65 different nationalities.