Systems Engineer (m/w/d)

Digitalization and the energy transition in one sentence? Yes, at Green Fusion!

With our software for the optimized control of heating systems in the housing sector, we are combating climate change. Through the digitalization and automation of control processes, we can not only reduce emissions but also energy consumption, thereby actively driving the energy transition forward.

As a Systems Engineer, you will support the Systems Engineering team in developing, integrating, and optimizing the technical systems and infrastructures that enable efficient control and automation of heating systems.

With us, you have the opportunity to take on a job with real impact and actively shape the energy transition through innovative technological solutions.

As a Systems Engineer, you will:

• Develop software for automation by writing procedures for the optimization of heating systems.


• Discover controller interfaces at both the physical and application levels.


• Co-design the architecture of our core procedures.


• Execute remote optimizations to improve system efficiency.


• Document all technical processes and procedures.

• You have 2-4 years of programming experience; Python is preferred, but other languages are also welcome.


• You are familiar with protocols such as Modbus, M-Bus, HTTP, and MQTT.


• You possess strong database knowledge (SQL).


• You have experience with APIs (e.g., REST).


• You bring basic knowledge of networking technology.


• You are familiar with Git.


• You have strong communication skills and the ability to collaborate effectively in a team.


• You work in a structured and independent manner.


• You have a problem-solving mindset and the ability to adapt to new challenges.

🏠 Flexible working hours, home office, and up to 2 months of remote work possible.

💡 Diverse opportunities for professional development – whether through exciting challenges on the job, our open feedback culture, or funded training programs – there are always opportunities to learn and grow.

💼 Employee benefits like Urban Sports Club or Become1.

🌱 Direct impact through your job – with us, you can actively contribute to the energy transition and fight climate change every day.

💚 We value our team – that's why regular team events are especially important to us.

🙌 The best team Berlin has to offer – and maybe even beyond. Don’t believe it? Then find out for yourself and apply now!

While we are still considered pioneers today, with you on board, we will soon dominate the market! First in the DACH region, then across Europe.

You can expect a motivated, open-minded, and dynamic environment, driven by passion and ambition to actively shape the energy transition – something that can only succeed together!

We look forward to your application – Fernanda will get in touch with you!