We seek a highly skilled Senior Backend Software Engineer to join our growing tech team. 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!
As a member of the B2C domain, you will build a virtual power plant leveraging our energy manager "Heartbeat", and continuously ship innovative energy market solutions to our customers.
You will be responsible for developing scalable, robust backend services that enable seamless integration of our energy management solutions with various energy markets.
Key responsibilities include:
Work collaboratively with product managers, data engineers, and data scientists to understand problems, support discoveries, and create solutions our customers love
Build and optimize backend services for VPP operations and energy market integrations
Design and implement APIs and abstraction layers for seamless communication between different components of our energy market integration solutions
Optimize backend services for scalability and support for a large number of connected users
Create, implement, evaluate, and deploy software solutions to solve complex problems in a simplified way
Foster a culture of experiment-driven innovation within the team
Promote teamwork and successful project execution
Continuously improve developer satisfaction by avoiding/reducing tech debt, automating processes, and good documentation
Work across your boundaries and interact in close collaboration with our stakeholders and other teams
Technologies you will work with include:
TypeScript, NestJS
Google Cloud Platform (Cloud Run, Cloud Functions, PubSub, CloudSQL, Firestore, BigQuery)
Domain-driven design architecture
Datadog
Terraform
GitHub Actions
The successful candidate will have:
Proven experience in developing scalable backend solutions with TypeScript from several past projects
Competence in building virtual power plant infrastructure, including the integration into energy markets (day-ahead, intraday, balancing services, etc).
Hands-on experience working with interfaces in the context of energy services (e.g., smart meters, energy optimization, load balancing).
Broad knowledge of various architectural patterns and experience implementing them with CI/CD using GitHub Actions and cloud infrastructure (ideally GCP)
Passion for maintainable, documented, reusable, and testable code
A finger on the pulse of software engineering trends and industry best practices
An agile and product-oriented mindset and you consider yourself a team player
Very strong written and spoken English skills, German is a plus
Bonus points for:
Experience with IaC (ideally Terraform)
Experience Python in the context of Data Engineering or Machine Learning
Experience with IoT applications for grid balancing and demand response
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.
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