montamo GmbH | Germany | 10xxx Berlin | Practical training | Full time | Published since: 19.02.2026 on stepstone.de
Mandatory Internship Backend Developer (m/f/d)
We at montamo have a mission: The craft revolutionize and finally overcome the shortage of skilled workers – and this in the most important transformation of our time: the shift to 100% renewable energies. We not only build the energy transition, we drive it. With innovative processes, courageous ideas and the firm will to set standards of tomorrow. We believe that craftsmanship and high-tech fit together perfectly – and that real change can only be achieved if one takes responsibility, courageously try out new things and keeps them together as a team.
Our values are not a poster on the wall, but living everyday life:
Put it on. Pull it through. – Take responsibility and implement it consistently. Performance over CV. – It counts what you can and how you bring. Shared knowledge, double success. – Knowledge is shared so that everyone can benefit. Copying others, we rebuild. – We set standards of tomorrow. Respect is a matter of honor. – Trust, attitude and reliability are the basis. .
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Your tasks • Your profile • What we offer
We at montamo have a mission: The craft revolutionize and finally overcome the shortage of skilled workers – and this in the most important transformation of our time: the shift to 100% renewable energies. We not only build the energy transition, we drive it. With innovative processes, courageous ideas and the firm will to set standards of tomorrow. We believe that craftsmanship and high-tech fit together perfectly – and that real change can only be achieved if one takes responsibility, courageously try out new things and keeps them together as a team.
Our values are not a poster on the wall, but living everyday life:
Put it on. Pull it through. – Take responsibility and implement it consistently. Performance over CV. – It counts what you can and how you bring. Shared knowledge, double success. – Knowledge is shared so that everyone can benefit. Copying others, we rebuild. – We set standards of tomorrow. Respect is a matter of honor. – Trust, attitude and reliability are the basis.
As an intern (m/w/d) in the field of backend development, you work on the core systems behind our products. You help with the design, development and maintenance of backend services that support our internal tools and customer-oriented applications. Development and maintenance of backend services and APIs Implementation of business logic and data models Design and development of RESTful APIs Work with relational databases and data persistence layers Integration of third-party services and internal systems Close cooperation with frontend, product and operating teams Support in improving system performance, reliability and scalability
Mandatory internship as part of your course Registered student of computer science, software technology or a related subject area Knowledge of Python/Django or Node.js/TypeScript Confidence with REST API Design and Development Basic understanding of relational databases Structured operation and interest in clean, wartable backend systems Very good English skills
Modern work equipment and a pleasant working environment Design freedom instead of bureaucracy – your ideas count Regular team events for strong cooperation Team spirit pure – we support each other and celebrate success together Pure practice: You are not only at the desk, but you experience the reality on the construction sites close to the skin. High self-responsibility and responsibility for the first day Purpose instead of BlaBla – at montamo you are driving the energy transition. .
Location
![]() | montamo GmbH | |
| 10405 Berlin | ||
| Germany |
The text of this ad was translated from German into English using an automatic translation system and may contain semantic and lexical errors. Therefore, it should be used for introductory purposes only. For more detailed information, see the original text of the ad at the link below.
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