(Senior) IoT Platform Engineer (m/f/d)
1KOMMA5°
We are looking for you as an addition to our tech-team in Berlin, Munich or Hamburg. 1KOMMA5° is building Germany's largest one-stop-shop for sale, installation and services related to solar, heat pumps, electricity and charging infrastructure. And they are all connected! Be a part of our mission!
Become a part of our mission and learn more about our Product & Tech team!
Your profile
The successful candidate will have:
Benefits
"At 1KOMMA5°, our vision is to accelerate CO2 neutral life for all! We created an easy one-stop-shop to buy and install solar, charging stations and heat pumps, with the purpose of liberating all European homes from the shackles of fossil fuels. With Heartbeat, we make clean energy smarter. Connecting our customers into one powerful clean energy operating system to enable flexible tariffs and to ultimately follow the rhythm of wind and sun!" - Philipp Schröder (CEO 1KOMMA5°)
We are looking for you as an addition to our tech-team in Berlin, Munich or Hamburg. 1KOMMA5° is building Germany's largest one-stop-shop for sale, installation and services related to solar, heat pumps, electricity and charging infrastructure. And they are all connected! Be a part of our mission!
Become a part of our mission and learn more about our Product & Tech team!
Your profile
The successful candidate will have:
- Bachelor’s or Master’s degree in Computer Science, Electrical/Electronics Engineering, or related field.
- 5+ years of experience in IoT platform engineering.
- Proficiency in Go.
- Hands-on experience with OTA firmware deployment (Mender or equivalent).
- Previous involvement in low-level Linux kernel or driver customization.
- Solid understanding of MQTT, messaging backbones, and device-to-cloud data flows.
- Exposure to hardware design, validation, and certification processes.
- Familiarity with DevOps practices (CI/CD, containerization, test automation).
- Ability to collaborate across hardware, embedded, and cloud teams.
- Strong troubleshooting and analytical mindset.
- Clear and effective communicator in English (German is a plus).
- Experience with Eclipse Hono.
- Familiarity with Google Cloud Platform.
- Contributions to open-source projects related to MQTT, Yocto, or OTA update frameworks.
- Practical experience implementing secure boot
- Passion for climate tech and distributed energy systems.
Benefits
- You are part of a dynamic team with people who prove every day that they can make things happen and move companies forward with great positive impact
- You move in flat hierarchies and have short decision-making paths. You can learn a lot quickly and get involved at different levels
- You will be welcomed by a friendly and familiar team
- You are part of the energy transition and recognize in your daily work what purpose it serves
- You can work in one of our offices in Hamburg, Berlin or Munich
- You create a healthy balance alongside your work and enjoy all the benefits of the EGYM Wellpass
- Take advantage of benefits and discounts through Futurebens
- Whether city bike or e-bike - be flexible with our job bike leasing and do something good for the environment at the same time
"At 1KOMMA5°, our vision is to accelerate CO2 neutral life for all! We created an easy one-stop-shop to buy and install solar, charging stations and heat pumps, with the purpose of liberating all European homes from the shackles of fossil fuels. With Heartbeat, we make clean energy smarter. Connecting our customers into one powerful clean energy operating system to enable flexible tariffs and to ultimately follow the rhythm of wind and sun!" - Philipp Schröder (CEO 1KOMMA5°)