Platform Software Engineer (m/w/d)

Job Description

Clean and affordable energy for all is one of the greatest challenges of our time. Sonnen has been committed to this mission since 2010 and is now represented in Europe, the USA and Australia with over 1,000 team members globally. In Germany, our offices are located in the beautiful Wildpoldsried (Allgäu) and the vibrating heart of Berlin Kreuzberg.

At sonnen, we are building the energy system of the future. To this end, we are developing new technologies and business models that have not existed before. Whether intelligent power storage, virtual power plants or digital services - we set the trends of a new energy world. That means, among other things, the inexpensive production and storage of renewable energy and the intelligent networking of producers and consumers. sonnen thereby gives people around the world the opportunity to become independent of fossil fuels and conventional energy supplier.

We are growing steadily and are looking for people who want to join us in our vision of clean and affordable energy for all while making a positive impact on climate change.

For our location in Cairo, we are looking for an experienced Platform Software Engineer that, with the company headquarters in Wildpoldsried (Germany), you will work in a distributed team from our office in Málaga (Spain).

The “ECU” (Electronic Control Unit) team develops the control unit of each sonnenBatterie.

Overview

We are seeking a highly skilled Platform Software Engineer to join our team. The ideal candidate will have a strong background in software engineering and linux administration in Embedded Systems.

Responsibilities

• Develop and maintain software solutions.
• Write clear and concise documentation for code and system functionality.
• Adhere to best practices in code style, testing, and version control.
• Debug and resolve issues in development and production environments.
• Develop and manage containerized applications using Docker.
• Monitor system performance and ensure system security.
• Automate tasks and processes using scripting languages.
• Administer and manage Linux-based embedded systems.
• Implement and manage basic CI/CD pipelines using tools like GitLab CI and GitHub Actions.
• Assess/Integrate third-party and open source software.
• Work with embedded communication interfaces and network protocols.
• Create and manage root filesystems for embedded devices.
• Develop, configure and integrate device drivers and other linux kernel components.
• Interface with hardware design and development.
• Collaborate with cross-functional teams to design and implement system architecture.
• Provide technical support and guidance to team members.

Qualifications

• Programming experience in system languages such as C or C++.
• Experience in scripting languages like shell and Python.
• Experience with object-oriented programming, design patterns, and software architecture patterns.
• Strong understanding of code compilation (qmake, cmake), debugging tools (gdb, strace), profiling (perf), and software integration, especially in embedded systems.
• Familiarity with version control systems, particularly Git.
• Familiarity with Linux-based operating systems and system administration tools (systemd).
• Experience in hands-on development and troubleshooting on embedded targets.
• Knowledge of root filesystem build tools such as chroot, multistrap, Buildroot or Yocto.
• Experience with kernel development for Linux (drivers, device tree, patches).
• Familiarity with bootloaders like U-Boot or Barebox.

Nice to have qualifications

• Understanding of some of these network protocols: MQTT, SSH, DNS, SSL/TLS.
• Basic understanding of some of these embedded protocols: UART, I2C, SPI, Modbus, or CAN.
• Experience with Docker and container management.
• Knowledge of infrastructure monitoring using tools like the Elastic Stack.
• Familiarity with microcontroller programming and real-time operating systems like FreeRTOS.

You feel we are a match? Apply now and help us to shape the energy transition together. We look forward to welcoming you to #teamsonnen!

sonnen - energy is yours!