Senior Embedded Engineer - Energy Platform

About the role

As Senior Embedded Software Engineer, you will be working close to hardware, production systems, and real operational challenges. The position plays a key part in building, validating, and operating systems that must perform reliably in the field. It combines deep technical expertise with hands-on technical leadership in production-grade IoT environments.

What you'll do

• Design, validate, and optimize firmware for Linux-based IoT devices.
• Support colleagues in building and maintaining software services essential for IoT device configuration and activation in production environments.
• Interface with partner companies to validate externally delivered software.
• Establish and maintain automated validation pipelines (HIL/SIL testing).
• Enhance and maintain Linux system built with the yocto build chain.
• Contribute to CI/CD pipelines and release processes using Git-based workflows.
• Improve system-level reliability (network interfaces, systemd, boot flows, toolchains).

What you'll need

• In-depth understanding of Linux-based systems, with a strong emphasis on the Yocto build chain.
• Experience in designing and operating control systems in IoT production environments.
• Platform or internal tooling development experience.
• Experience with at least one of: C++ / C# / Python.
• Understanding of IoT Protocols (e.g., MQTT), interfaces such as Modbus, LTE.
• Extensive experience in a production environment, with a focus on IoT device configuration and activation.
• Expertise in CI/CD tools and methodologies.

Nice to have

• Knowledge of embedded security best practices, both hardware and software-sided.
• Hardware design exposure (schematics, interface integration).
• Energy domain experience.
• Willingness to deepen expertise in C#.

What they offer

• Work at Germany's first green unicorn and actively shape the solar energy transition.
• Hybrid work model with flexibility between office and home.
• Onboarding session with founder Mario and regular All-Hands and Lunch & Learn sessions.
• Modern office in Berlin Friedrichshain with wellness amenities.
• Strong feedback culture and team ownership.
• Diverse team with over 65 nationalities.