About The Position
At 1KOMMA5°, we connect and manage tens of thousands of distributed energy devices at scale. As a (Senior) Software Engineer - Device Connectivity, 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 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.
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 software modules for IoT devices.
- Experience with Go programming is highly preferred.
- Proficiency in communication protocols such as Modbus TCP, OCPP, and MQTT.
- Solid understanding of local area networks (TCP/IP, LAN/WLAN) and experience with device discovery and scanning mechanisms within home networks.
- Familiarity with DevOps practices and tools, including continuous integration and deployment (CI/CD) pipelines.
- Outstanding, proactive communication skills: you excel at engaging stakeholders and initiating cross-team collaboration.
- Excellent troubleshooting and problem-solving skills.
- Experience quickly finding your way around in cross-functional teams in a fast pace, 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.
Nice To Haves
- Prior exposure to energy management systems is desirable.
- Experience in network or systems administration (routing, firewalls, DNS, DHCP) in a production environment.
- Familiarity with cloud platforms (ideally Google cloud) and their integration in IoT solutions.
- Previous experience in providing support to international stakeholders.
- Certifications related to IoT and energy management.
Responsibilities
- Own the technical integration of inverters, batteries, charging infrastructure, and heat pumps into our Heartbeat energy management system, driving projects end-to-end to deliver solutions on time.
- Ensure seamless communication and interoperability between different OEM devices.
- Implement communication protocols such as Modbus TCP, OCPP, MQTT, EEbus.
- Develop, deploy, and maintain services on our IoT gateway using Go programming.
- Diagnose network issues across LAN/WAN, VPN, firewalls, and protocols, and turn that understanding into resilient edge services.
- 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.
- Foster a culture of experiment-driven innovation within the team.
Benefits
- Part of an international, dynamic, and highly motivated team.
- Flat hierarchies and short decision-making paths.
- Opportunity to learn a lot quickly and get involved at different levels.
- Welcomed by a friendly and familiar team.
- Part of the energy transition and recognize the purpose of the work.
- Option to work in offices in Hamburg, Berlin or Munich.
- EGYM Wellpass benefits.
- Futurebens benefits and discounts.
- Job bike leasing (city bike or e-bike).
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What This Job Offers
Job Type
Full-time
Career Level
Senior
