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Typescript Backend Developer (gn) - metiundo

Posted Nov 01, 2026

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metiundo

Berlin

EnglishPart-timeGerman is a plus

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Salary (estimate)

Full-time reference: about €67,000/year

About this job

Intro

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. We are looking for a Software Developer in Berlin at the earliest possible date.

You will join a small team of experienced backend engineers, working in an existing production codebase on non-trivial logic shaped by real measurement data and requirements of the German energy market.

Aufgaben

You build new backend functionality and extend TypeScript services that ingest, process, and expose measurement data across our platform.
You refactor and improve existing code, reducing technical debt where it slows us down.
You improve the correctness and performance of measurement data processing as our platform load grows.
You investigate production issues, debug inconsistencies in system behaviour and data, and contribute follow-up improvements that reduce recurring problems.
Over time, you will take ownership of parts of the system, work from defined requirements with guidance as necessary, and help improve their reliability, observability, and maintainability.

You have at least 3 years of professional backend development experience, including building and maintaining production backend services and REST APIs with TypeScript and Node.js.
You have practical experience working with relational data models and SQL, ideally PostgreSQL, and are comfortable working on Linux, in a terminal, and with Git.
You have a pragmatic mindset, avoid unnecessary complexity, can distinguish bike-shedding from decisions that matter, and prefer battle-tested technologies over hype when they better support maintainability, reliability, and delivery.
You are comfortable working in existing backend systems, willing to learn domain-specific areas such as measurement processing and smart metering, and are interested in understanding how systems behave in production.
Fluency in written and spoken English is required, German is a plus.
Frontend experience, for example with Vue, is a plus but not required.
Experience with the German energy market, time-series or IoT data, or asynchronous and background processing is a plus.

A job that lays the foundations for using energy and water sustainably and consciously.
Permanent position with a fixed salary of between EUR 55 - 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.

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Source: Statistisches Bundesamt (Destatis), table; dl-de/by-2-0; StarIn's calculation

Typescript Backend Developer (gn) - metiundo

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