(Senior) Software Engineer - IoT (m/f/d) Berlin

TN Germany; Berlin; Remote; EUR 65.000 - 85.000; Vollzeit

Zusammenfassung

A leading company in renewable energy technologies seeks a (Senior) Software Engineer - IoT to join their dynamic tech team in Berlin. You will be integral in integrating various OEM devices into their innovative energy management system, contributing to a sustainable future. The role offers a collaborative environment where you can make a direct impact on the energy transition.

Leistungen

Dynamic and motivated team

Flat hierarchies

Remote work options

Conferences and meetups

Benefits of EGYM Wellpass

Qualifikationen

• Experience in IoT development and integration with OEM devices.
• Hands-on experience in embedded software modules for IoT devices.
• Proficiency in communication protocols like Modbus TCP, OCPP, and MQTT.

Aufgaben

• Integrate PV inverters, batteries, and heat pumps into the heartbeat platform.
• Implement communication protocols and develop embedded software modules.
• Conduct testing of the energy management system in Berlin.

Kenntnisse

IoT Development

Problem Solving

Communication Protocols

Teamwork

Agile Mindset

Ausbildung

Bachelor's or Master's degree in Computer Science

Electrical/Electronics Engineering

Control Engineering

Tools

Go Programming

Yocto

Matlab/Simulink

Cloud Platforms

Jobbeschreibung

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(Senior) Software Engineer - IoT (m/f/d) Berlin, Berlin

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Client:

Location:

Berlin, Germany

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

a156d0b2b11c

Job Views:

1

Posted:

11.05.2025

Expiry Date:

25.06.2025

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Job Description:

We are looking for you as an addition to our tech-team in Berlin. 1KOMMA5° is building Germany's largest one-stop-shop for sale, installation, and services related to solar, heat pumps, electricity, and charging infrastructure. All connected! Be a part of our mission!

Become a part of our mission and learn more about our Product & Tech team!

Your mission

In tech, we have two main work streams:

• Heartbeat: Building a virtual power plant leveraging our energy manager “Heartbeat” and evolving the customer experience app around this
• Operating System for installation companies: Digitization of operations and processes from ground operations to rooftop installations

As an IoT Software Engineer, you will play a crucial role in integrating OEM devices, such as PV inverters, batteries, charging infrastructure, and heat pumps, into our cutting-edge heartbeat platform. Your role involves implementing communication protocols, developing embedded software modules on IoT gateway and controller devices, and conducting testing of our energy management system in our lab in Berlin. You will also be providing expert-level support for both internal and external stakeholders. Collaborating with cross-functional teams, you'll contribute to the entire product lifecycle.

Key responsibilities include but are not limited to:

• Integrate PV inverters, batteries, charging infrastructure, and heat pumps into our heartbeat platform
• Ensure seamless communication and interoperability between different OEM devices
• Implement communication protocols such as Modbus TCP, OCPP, MQTT, EEbus
• Develop, deploy, and maintain embedded software modules on IoT gateway and controller devices using Go programming
• Maintain and customize embedded Linux distributions using Yocto for IoT gateway devices
• Conduct testing of our energy management system in our lab in Berlin
• Collaborate with cross-functional teams to ensure software meets performance and reliability standards
• Provide expert-level support to both internal and external stakeholders

Your profile

You have:

• Bachelor's or Master's degree in Computer Science, Electrical/Electronics Engineering, Control Engineering or related field
• Proven experience in IoT development and integration, with a focus on integrating diverse OEM devices
• Hands-on experience in the development of embedded software modules for IoT devices
• Experience with IoT development using Go programming is highly preferred
• Experience with Linux build systems, particularly Yocto, is strongly favored and will provide a competitive edge for this role
• Proficiency in communication protocols such as Modbus TCP, OCPP, and MQTT
• Understanding of energy management systems and related technologies
• Familiarity with DevOps practices and tools, including continuous integration and deployment (CI/CD) pipelines
• Excellent troubleshooting and problem-solving skills
• Experience quickly finding your way around in cross-functional teams in a fast-paced, interdisciplinary working environment
• An agile and result-oriented mindset and you consider yourself a team player
• Very good knowledge of spoken and written English, German is a plus

Bonus points for:

• Experience in model-based development with Matlab/Simulink
• Familiarity with cloud platforms (ideally Google Cloud) and their integration in IoT solutions
• Experience in implementing APIs for complex systems
• Previous experience in providing support to international stakeholders
• Certifications related to IoT and energy management
• Interest in climate tech industry

Even if you do not meet all the listed requirements, we still encourage you to apply and reach out to us. We value diverse experiences and believe that the right candidate may bring unique skills and perspectives to the role.

We are an ambitious and dynamic company with a talented team. We require our engineers to be imaginative, enthusiastic, and willing to tackle new challenges as we strive to provide everyone with renewable energy technologies.

Benefits

• Contribute to a dynamic and highly motivated team with people who have proven that they can make things happen and move companies forward
• With your work, you accelerate the "energy and mobility transition" and make a concrete contribution to the sustainable transformation of our energy infrastructure
• You move in flat hierarchies and have direct contact with the managing directors as well as short decision-making paths
• Work with and learn from other skilled engineers and join conferences and exciting meetups
• You can work remotely (Germany-wide), with offices in Berlin, Hamburg, and Munich
• See the direct impact of your work on a rapid-scaling user base
• Create a healthy balance alongside your work and enjoy all the benefits of the EGYM Wellpass

About us

"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°)