Senior Software Engineer - IoT - Remote

Overview

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. And they are all connected! Be a part of our mission!

In Short

• 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.

Requirements

• 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.
• 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.
• Very good knowledge of spoken and written English, German is a plus.

Benefits

• Contribute to a dynamic and highly motivated team.
• Accelerate the energy and mobility transition.
• Flat hierarchies with direct contact to managing directors.
• Work with and learn from skilled engineers.
• Remote work available (Germany-wide), with offices in Berlin, Hamburg, and Munich.
• See the direct impact of your work on a rapid-scaling user base.
• Enjoy benefits of the EGYM Wellpass.