Fullstack Engineer (fmd)
Fullstack Engineer (fmd)
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Job Description
What we do
Build the AI-native energy supplier of the future
Energy markets are volatile complex and still running on outdated systems. At Zeus Energy we are creating the first AI-native full-stack energy suppliera digital-first platform that helps businesses buy manage and optimize their energy with intelligence speed and transparency.
We are backed by Merantix Europes leading AI venture studio. Joining Zeus at this early stage youll take ownership from day one while benefiting from the resources network and stability of a proven venture platform.
Your role
We are looking for a Fullstack Engineer who wants to make a real impact by building our MVP and shaping our core technology:
Build features end-to-end across frontend (React/) backend ( and database (PostgreSQL)
Design scalable architecture in a modern monorepo setup
Collaborate directly with founders product and early customers
Debug refactor and iterate quickly to keep our platform robust and fast
Take responsibility for technical decisions that set the foundation for scal
Your profile
2 years of experience building production-grade fullstack applications
Strong skills in and TypeScript
Proficient with modern frontend frameworks (React )
Solid database knowledge (PostgreSQL or similar)
Comfortable working across the full stack and eager to take ownership
Pragmatic solution-driven and motivated by solving real-world problems in energy and climate
Fluent in English (our team language); German a plus
Expertise in workflow automation and agent frameworks (e.g. n8n LangGraph) is a strong asset
What we offer
Impact: Build the foundation of an AI-native energy supplier at a decisive stage
Stability: Backed by Merantixs venture studio and AI ecosystem
Growth: Direct exposure to startup building AI adoption and energy markets
Culture: Small ambitious team with ownership speed and collaboration
Tech: Greenfield setup with modern stackminimal tech debt
Compensation: Competitive salary ESOP participation
Work model: Based at the AI Campus Berlin; hybrid flexibility possible
About us
Employment Type
Full-Time
