0(Senior) Fullstack Developer_in Energy Trading (m/f/d)
Next Kraftwerke GmbH | Germany | 50xxx Köln | Permanent position | Part time - flexible / Full time / Home office | Published since: 05.03.2026 on stepstone.de

(Senior) Fullstack Developer_in Energy Trading (m/f/d)

Branch: Building services and waste... Branch: Building services and waste disposal


Do you want the energy transition to progress faster and do you want to contribute to the transformation of our energy system? Then you are right with us! We operate one of the largest virtual power plants in Europe in which thousands of electricity producers, consumers and storage units are connected. With our team we are actively working on the implementation of a green electricity market in the future – at our location in the middle of Cologne-Ehrenfeld, in our European branches and, of course, in the home office. Fullstack Developer_in (w/m/d) Energy Trading As a Fullstack Developer_in, you develop the Asset Management Tool (AMT) – a central application that enables our 24/7 trading teams to control and optimize large industrial and energy systems across multiple markets. The AMT is the technical core of our Cross Product Optimization (CPO) initiative and enables us to operate and further scale highly complex industrial customers efficiently. With your great expertise and strong communication skills, you can understand technical requirements, question them critically and translate them into a scalable software solution. Flexible working time models are not an empty flea for us, but a living company reality. Whether full-time or part-time – let us know how we find each other on this point. .

Your tasks • Your profile • What we offer

Do you want the energy transition to progress faster and do you want to contribute to the transformation of our energy system? Then you are right with us! We operate one of the largest virtual power plants in Europe in which thousands of electricity producers, consumers and storage units are connected. With our team we are actively working on the implementation of a green electricity market in the future – at our location in the middle of Cologne-Ehrenfeld, in our European branches and, of course, in the home office. Fullstack Developer_in (w/m/d) Energy Trading As a Fullstack Developer_in, you develop the Asset Management Tool (AMT) – a central application that enables our 24/7 trading teams to control and optimize large industrial and energy systems across multiple markets. The AMT is the technical core of our Cross Product Optimization (CPO) initiative and enables us to operate and further scale highly complex industrial customers efficiently. With your great expertise and strong communication skills, you can understand technical requirements, question them critically and translate them into a scalable software solution. Flexible working time models are not an empty flea for us, but a living company reality. Whether full-time or part-time – let us know how we find each other on this point.

Together with your team, you are responsible for the development and operation of the frontend and backends with Python, Vue.js and NuxtJS, focusing on performance, scalability and UX. You work with backend integrations (e.g. REST / GraphQL APIs with Python FastAPI or Node.js) to connect data flows from internal systems and external TSO platforms. You build and care modern CI/CD pipelines with GitHub action and automate deployments using Docker. You work closely with stakeholders from trading, business development and architecture to precisely adapt technical solutions to operational requirements. You make sure that code quality, testability and Maintainability are guaranteed from prototype to productive operation. You actively shape the technical roadmap and evaluate new frameworks and tools to continuously improve our solutions.

You bring at least five years of experience in frontend development with Vue.js and NuxtJS and master HTML, CSS and TypeScript securely, as well as in backend technologies such as Python, Node.js, REST/GraphQL APIs and in data modeling. You have experience with CI/CD pipelines (e.g. with GitHub Actions) and containerization with Docker as well as a basic understanding for cloud environments. You understand complex technical and technical relationships and can communicate them clearly and purposefully to non-technical stakeholders. You have a high level of quality, work independently and you want to shape a strategically important product from scratch. You speak German and English fluently in word and writing.

Hybrid and flexible work incl. Home office equipment Comprehensive further development options such as language courses, coaching and training Jobrad and Deutschlandticket Sports offers such as Urban Sports Club, Yoga courses Regular Events: Summer Festival, Christmas Party, LAN-Party, After-Work Pizza & Drinks External support in finding kita places and other private and professional challenges

Location

ava Next Kraftwerke GmbH
50825  Köln
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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