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Green Fusion Tech Stack

Building software to automate and optimize boiler room operations across multi-family housing

IT Services and IT Consulting Hohen Neuendorf, Brandenburg 11–50 employees Founded 2021 Privately Held

Green Fusion builds automation software for building heating systems, targeting the housing sector across Germany and France. The stack—Python, C++, embedded Linux, machine learning (MLflow, CasADi, Gurobi), and AWS—reveals a hardware-software hybrid play: they're not just digitizing control systems, but embedding optimization algorithms directly into HVAC operations. Active projects span IoT co-design, heating algorithms, and EMS rollout, while pain points cluster around scaling energy-efficiency software nationally and reducing friction in the French market—suggesting a product-market fit problem in Germany that requires operational hardening before geographic expansion.

Tech Stack 24 technologies

Core StackPython C++ Docker AWS Prefect MLflow Adobe InDesign Adobe Photoshop Adobe Illustrator Adobe Premiere Pro HubSpot ARM Embedded Linux I2C Bluetooth Low Energy WiFi JTAG GDB Lua Final Cut Pro Webflow CasADi Gurobi Pyomo

What Green Fusion Is Building

◆Challenges

Optimizing real operation
Reducing emissions and energy consumption
Scaling energy efficiency software nationwide
Reducing energy costs
Standardizing onboarding
Detecting operational risks
Removing friction to win french market
Entering new market
Building sales pipeline
Establishing partnerships

▲Active Projects

Co-design of iot hardware
Research new technologies
Automate testing tasks
Rollout of new ems for multi-family houses
Onboarding of new assets
Market research for device coverage
Heating system optimization algorithms
Customer platform analytics
Alarm rule validation
Pricing packaging hypotheses

Hiring Activity

Decelerating15 roles · 2 in 30d

Department

Engineering

5

Sales

3

Marketing

2

Data

1

Product

1

Seniority

Mid

7

Senior

3

Intern

1

Junior

1

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About Green Fusion

Green Fusion operates a software platform for automating and optimizing boiler room operations in multi-family residential buildings. Founded in 2021, the company is based in Hohen Neuendorf, Brandenburg, and serves the German and French housing sectors. The product combines system analysis, semi-automated or fully automated operations management, and continuous monitoring to reduce energy consumption, emissions, and operating costs. The platform targets both conventional heating systems and complex new energy systems, with stated goals around enabling a transition to regenerative infrastructure. The team is mid-sized (11–50 employees) and engineering-forward, with active development in IoT hardware integration, optimization algorithms, customer analytics, and market expansion.

HeadquartersHohen Neuendorf, Brandenburg

Company Size11–50 employees

Founded2021

Hiring MarketsGermany, France

Frequently Asked Questions

What tech stack does Green Fusion use?

Python, C++, Embedded Linux, MLflow, Gurobi, CasADi (optimization solvers), Docker, AWS, HubSpot, Webflow. Also hardware layers: ARM, Bluetooth Low Energy, WiFi, I2C.

What countries does Green Fusion hire in?

Germany and France. Active expansion into the French market is listed as a priority, with friction reduction in that region noted as a current challenge.