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Integrations Engineer - Embedded Systems Engineer (multi-platform) (f/m/d)

Green Fusion • English: C1 • Electrical & Electronic Engineering • C++ • 21 days ago

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Salary

≈ $74k – $135k per year (Estimated)

Location

In office (Berlin)

Seniority

Senior · 5+ years exp

Employment

Full-Time

Confirmed on the employer's own hiring board on Oct 15, 2026. First seen by Alion on Sep 24, 2026.

Overview

Company

Impact

Profile match

Green Fusion

Green Fusion is a German energy technology company offering holistic heat and energy management for the housing industry, from digital boiler rooms to a full energy management system. It develops its own hardware platforms together with cloud software and hires embedded systems and integration engineers. The company is headquartered in Berlin, Germany.

green-fusion.de • HQ: Berlin, Germany • Building Automation & Controls • Energy Management • 11-50 employees

Backed by Übermorgen Ventures | Building the new zero-carbon economy, AI NATION, Bitstone

Your mission at Green Fusion

As an Integrations Engineer (Multi-Platform), you'll develop application software for our two hardware platforms. You'll also make sure that software works smoothly with our cloud software, from the field level up to the cloud, before our products reach customers. Your work will reduce failures in the field and raise the quality of what we deliver.

You design and develop system services for our hardware platforms
You coordinate and implement the interfaces to our cloud components
You run prototype tests and support field tests
You build and maintain CI/CD pipelines for cross-compilation across both platforms
You ensure firmware quality before devices are rolled out to the field
You create and maintain product and test documentation
You work closely with the firmware, cloud and hardware teams

Please note that this is a Berlin-based role. You will be expected to work from our hardware lab 1-2 times per week.

Your profile

Technical skills:

You hav e experience developing embedded software for Linux-based systems, ideally across several target architectures (e.g. ARM and MIPS)
You're familiar with cross-compilation toolchains and different build systems (e.g. Yocto/BitBake and OpenWRT-based environments)
You know how to design software for resource-constrained systems (memory, flash, performance)
You know C/C++ and/or other languages used in embedded systems
You have experience with network protocols and services in an embedded context (e.g. VPN, MQTT, systemd/NetworkManager)

Background:

You have a degree in embedded software, electronics, computer engineering or a related field
You have 5+ years of experience in embedded systems, hardware-level development or testing
You speak and write English fluently; German is a plus

How you work:

You're hands-on and have practical experience with hardware
You test and validate software carefully before it's rolled out to a large device fleet
You enjoy finding and solving problems at the interfaces between components
You work analytically: you find errors systematically and document them clearly
You set up workflows on your own and keep improving systems
You communicate well and enjoy working with different teams and external partners
You'rewilling to come into our hardware lab at our Berlin office at Schlesisches Tor1-2 times a week

Nice to have:

Experience with Teltonika RutOS or similar router/gateway platforms
Experience with fleet management and deployment infrastructure (e.g. certificate management, OTA updates)

We believe diverse teams build better solutions. That's why we welcome applications from everyone, regardless of gender, nationality, ethnic and social background, religion or belief, disability, age, sexual orientation or identity. And if you don't tick every box on this list, apply anyway: we know no one matches a job description perfectly, and we'd love to hear from you.

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