Digitalization and the energy transition in one sentence? Yes – at Green Fusion!
Our software optimizes the control of heating systems in residential buildings, helping to fight climate change. By digitalizing and automating control processes, we reduce both emissions and energy consumption – actively driving forward the energy transition.
As a Senior Fullstack Developer, you’ll join our cross-functional Optimization Team and help bring our product vision to life:
"Emitting less, gaining more: Transform residential buildings into auto-optimising, CO₂-neutral assets."
You'll play a key role in writing software to improve our end-to-end optimization of heating systems in close collaboration with energy data scientists, system engineers, designers and product managers.
Tasks
* Collaborate with your team to understand underlying problems and requirements.
* Engineer requirements into viable, pragmatic software designs.
* Contribute to team planning by helping define tasks, priorities, and timelines.
* Write Software – implement end-to-end, from database model to frontend.
Requirements
* Solid educational background – ideally a degree in Computer Science or a related field
* 5+ years of professional experience in software development
* Solid experience across frontend and backend – especially with TypeScript, Next.js, SQL
* Familiarity with Python, Nest.js or systems engineering is a plus
* Ability to write high-quality, production-ready code and streamlined APIs
* Strong communication and collaboration skills to take on responsibility and work closely with other engineers
* Independent, structured working style
* Fluent in English
Benefits
💼 Employee perks like Urban Sports Club or Become1 membership.
🏠 Flexible working hours and remote work – continue working from home even post-pandemic.
💡 Continuous learning – through on-the-job challenges, an open feedback culture, and supported professional development.
🌱 Real impact – contribute directly to the energy transition and help fight climate change every single day.
💚 Team appreciation – we value our team, which is why regular team events are an essential part of our culture.
🙌 The best team Berlin has to offer – or maybe even beyond. Don’t believe it? Apply now and see for yourself!
While we may still be considered pioneers today, with you on board we’re ready to take the market by storm – starting in the DACH region, and soon all across Europe.
You’ll join a motivated, open-minded, and dynamic team passionate about driving the energy transition forward. We believe this mission can only succeed together.
We’re excited to hear from you – Hoa will be in touch soon!
Ein nachhaltiges Energiemanagement in der Wohnungswirtschaft ist nicht nur bald gesetzlich verpflichtend, sondern darüber hinaus ein aktiver Schritt gegen den Klimawandel, hin zu einer grüneren Zukunft für uns alle.
Durch eine signifikante Reduzierung des Heizenergieverbrauchs in Immobilien können nicht nur Ressourcen und Kosten gespart, sondern auch die CO2-Emissionen deutlich gesenkt werden.
Und mit Hilfe der Digitalisierung der Anlagen können diese effizient betrieben werden - automatisiert, vorausschauend und sich selbst optimierend. Probleme können zudem früher erkannt und direkt behoben werden.
Klingt zu schön um wahr zu sein? Nein, mit Green Fusion wird genau das möglich! Wir digitalisieren nicht nur Heizungskeller, wir automatisieren und optimieren den gesamten Betrieb und sorgen für die reibungslose Transformation hin zu regenerativen Systemen. Für maximale Effizienz und Nachhaltigkeit in der Wohnungswirtschaft.