At
Green Fusion
, we're making
energy systems more efficient
.
Our platform connects and
optimizes heating systems
in residential buildings, helping to
cut energy use and CO₂ emissions
through data and automation.
As part of the
Systems Engineering Team
you'll be a developer in the
energy sector
. You'll collaborate closely with software, energy and product teams to develop tools which turn real-world data into
meaningful improvements in energy performance
.
Your development work will have a
direct impact
on how energy is used in everyday life —
practical, measurable, and sustainable
.
Tasks
* Develop automation software
that optimizes heating system performance and energy efficiency.
* Exploring and integrating controller interfaces
on application levels — connecting diverse systems into our tooling.
* Co-designing our system architecture
, helping shape how our core procedures evolve and scale.
* Running remote optimizations
and analyzing real-world data to continuously improve system behavior.
Requirements
You don't have to tick every box
— we value curiosity, learning, and drive just as much as experience.
If you're excited about using technology to make heating systems more efficient and more sustainable, we'd love to hear from you.
We're especially happy if you bring:
* 2–4 years of programming experience
in a professional environment, ideally with
Python
, but we welcome other languages too.
* Familiarity with
communication protocols
such as Modbus, CAN, HTTP, or MQTT.
* Solid understanding of databases
and
API interactions
(e.g., REST).
* A basic grasp of
networking technologies
.
* Experience with
version control (Git) and collaborative development workflows
.
* A
structured, independent work style
and the ability to solve problems creatively.
* Strong communication skills
and the openness to collaborate closely with colleagues from different fields.
Benefits
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 – Hoa will get in touch with you