1KOMMA5° · 1 month ago
Senior Backend VPP Software Engineer - TypeScript (m/f/d)
1KOMMA5° is building Germany's largest one-stop-shop for sale, installation, and services related to solar, heat pumps, electricity, and charging infrastructure. As a Senior Backend Software Engineer, you will develop scalable backend services that enable seamless integration of energy management solutions with various energy markets.
Charging InfrastructureEnergyEnergy StorageRenewable Energy
Responsibilities
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
Qualification
Required
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
Preferred
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
Benefits
You are part of an international, dynamic, and highly motivated team of people who have proven to make things happen
With your work, you accelerate the "energy transition" and hence have a direct impact on our climate
Work with and learn from other super-smart colleagues
You will enjoy direct contact with core decision-makers
You will enjoy the best chances of entering full-time in one of Europe’s most thriving scaleups
You work remotely (Germany-wide), with offices in Hamburg, Berlin or Munich
Create a healthy balance alongside your work and enjoy all the benefits of the EGYM Wellpass
Benefits and discounts are yours with Futurebens
Whether city bike or e-bike - be flexible with our job bike leasing and do something good for the environment at the same time
Company
1KOMMA5°
1Komma5° is a home electrification and climatetech company that provides intelligent energy solutions and promotes a CO₂-neutral lifestyle.
Funding
Current Stage
Late StageTotal Funding
$704.06MKey Investors
Sabanci Climate TechnologiesHamilton Lane2150
2025-07-28Series Unknown
2024-12-20Series Unknown· $156.47M
2024-03-04Private Equity
Recent News
ClimateHack Weekly
2025-10-25
Tech Funding News
2025-10-09
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