Fullstack Engineer - Next.js & Python - AI-Driven Customer Platform (€80k)
Fullstack Engineer – Next.js & Python – AI-Driven Customer Platform (€80k)
Join a fast-growing ClimateTech company on a mission to accelerate the energy transition by building software that helps make sustainable heating accessible to every household.
You’ll be developing a modern customer portal and automation ecosystem that supports the installation of heat pumps across Germany. This is a highly practical product role where your work will directly improve both the customer experience and the operational efficiency of a rapidly scaling business.
Why this role stands out
- Build software that has a tangible impact on the energy transition
- Work on a modern platform combining Next.js, React, Python and FastAPI
- Use AI-assisted development tools and help integrate AI-driven automation into real products
- Own features end-to-end - from architecture through to deployment
- Join a high-growth environment with real ownership and minimal bureaucracy
What you’ll do
- Develop and enhance a customer portal used throughout the heat pump journey
- Build scalable backend services and APIs with Python and FastAPI
- Integrate with systems such as Salesforce and other enterprise platforms
- Design software that automates complex operational workflows
- Work closely with product, engineering and operations teams
Tech environment
- Next.js, React
- Python, FastAPI
- REST APIs, OAuth2, JWT, Docker
- Heavy use of AI-assisted development tools
What they’re looking for
- 3+ years of experience building modern web applications
- Strong frontend skills with Next.js and React
- Solid backend understanding with Python and APIs
- Comfortable working in a fast-paced, ownership-driven environment
Interviews are starting soon, so apply now to secure your slot.
Next.js | React | Python | FastAPI | Fullstack Engineer | AI Automation | ClimateTech | Customer Portal | Salesforce Integration | Berlin | Hybrid