1KOMMA5°
We are looking for you to join our tech team in Berlin, Munich, or Hamburg. 1KOMMA5° is creating Germany's largest one-stop-shop for the sale, installation, and servicing of solar panels, heat pumps, electricity solutions, and charging infrastructure. And the best part? They are all interconnected!
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 levering our energy manager “Heartbeat” and evolving the customer experience app around this
- Operating System for installation companies: Digitisation of operations and processes from ground operations to rooftop installations
At 1KOMMA5°, we are looking for a top-tier Principal Software Engineer who leads with clarity, decisiveness, and deep technical insight. You will shape and own critical architectural decisions, drive alignment across teams, and ensure execution at the highest technical standard.
Key responsibilities include but are not limited to:
- Shape the organisation's technical strategy and innovation efforts
- Accountable for consistent execution of technical decisions by setting clear direction and holding teams accountable for implementation
- Ensure continuously that our software architecture is shaped in close alignment with product management to support current and future product direction
- Lead architectural direction to enable the delivery of scalable, maintainable, and state-of-the-art solutions
- Translate business requirements into technical solutions
- Tackle and resolve deep technical challenges with urgency and precision
- Mentor and challenge engineers to accelerate their professional growth
- Build and scale a high-performance tech organisation and engineering culture
Technologies you will work with include:
- Typescript/JavaScript/NodeJS (VueJS/NestJS)
- Ruby on Rails
- Flutter (Dart)
- Google Cloud Platform
- Terraform
- GitHub Actions
- IoT applications
Your profile
You have:
- Extensive hands-on experience in software development with multiple general-purpose programming languages for a minimum of 5 years
- A proven track record of architecting scalable and secure systems, demonstrating a strong commitment to quality
- Extensive experience in designing and implementing APIs that enable seamless integration and system communication
- An agile and result-oriented mindset, with a strong emphasis on collaboration and teamwork
- Expertise in communicating with stakeholders in business terms and understanding the technical implications of their requirements
- Industry-leading experience driving cross-functional teams and enforcing engineering alignment in fast-paced environments, including making and following through on critical technical decisions
- Excellent verbal and written communication skills in English, with proficiency in German considered a plus
Bonus points for:
- Experience with IaC (ideally Terraform)
- Interest in climate tech industry
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.
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°)
