Software Developer (m/f/x) in Berlin

CO2 emissions in the real estate sector must be reduced quickly.

But what is not measured cannot be controlled in a targeted manner: Our live data on consumption and generation in properties enables the most effective use of electricity, gas, heat and water in everyday life.

We are a young Berlin scale-up that supports sustainability and also lives it in our day-to-day business.

Weare looking for a Software Developer in Berlin or Heidelberg at the earliest possible date.

Responsibilities

• You grow our platform's capabilities with new features.
• You help build, maintain and improve Type Script-based services that power the full lifecycle of measurement data in our platform.
• You participate in developing best practices and guidelines that work for the entire team.
• You improve reliability, observability and supportability of our platform through monitoring, alerting, logging, tracing and better operational practices.
• You investigate issues in production, support the systems we own and contribute follow-up improvements that reduce recurring problems.
• You help keep the platform scalable and maintainable through continuous technical improvements.
• Profile
• You have 2+ years of professional experience developing for the web.
• You bring solid experience building REST-style APIs and are comfortable working with Type Script/Java Script, primarily on the backend.

You can also support frontend work when needed.

Experience with Vue, interest in backend reliability, or streaming data processing is a plus.

• You are comfortable designing and working with relational data models (Postgre SQL).
• You tackle challenges with healthy pragmatism and can distinguish between bike‑shedding and the important decisions that have impact in the long run.
• You design and write code with a focus on maintainability and scalability, and avoid complexity where possible.
• Fluency in written and spoken English is required, German is a plus.
• You focus on battle-tested and modern technologies over the latest industry hype in tech.
• You are willing to learn domain-specific areas such as measurement processing, external system integrations, smart metering and observability.
• You are curious about how systems behave in production and are willing to contribute to troubleshooting, observability and continuous operational improvements.
• You are comfortable with Linux, working in a terminal and know how to use Git.
• Bonus points: You worked with time-series/Io T-data platforms before and gathered experience in the German energy market.

What we offer

• A job that lays the foundations for using energy and water sustainably and consciously.
• Permanent position with a fixed salary of between EUR 50 - 65 thousand.
• Flexible trust-based working hours, part-time option, at least two days of mobile working per week, individual training plan and regular feedback meetings.
• Germany ticket or job bike, as well as an office with very good public transport connections.
• A green office, terrace, free drinks and ice cream.
• Complete technical equipment.
• 30 vacation days/year.
• Company pension scheme.
• Family-friendly approach to reporting short-term illnesses in children.

We want open and respectful cooperation in a diverse team! If you want to be part of it, we look forward to receiving your application.

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