Fullstack Engineer (fmd)

Merantix; Berlin; Hybrid; EUR 60.000 - 80.000; Vollzeit

Zusammenfassung

A leading AI venture studio is seeking a Fullstack Engineer to join their team in Berlin. The successful candidate will build features for an AI-native energy supplier, collaborating closely with the founding team. Required skills include production-grade fullstack app development, proficiency in TypeScript and modern frameworks like React, and strong database knowledge. This role offers competitive compensation and a hybrid work model.

Leistungen

Competitive salary

ESOP participation

Hybrid work flexibility

Direct exposure to startup building

Qualifikationen

• 2 years of experience building production-grade fullstack applications.
• Fluent in English; German a plus.
• Expertise in workflow automation and agent frameworks is a strong asset.

Aufgaben

• Build features end-to-end across frontend (React) and backend (PostgreSQL).
• Design scalable architecture in a modern monorepo setup.
• Collaborate with founders, product, and early customers.
• Debug, refactor, and iterate quickly to keep the platform fast.
• Take responsibility for technical decisions.

Kenntnisse

Building production-grade fullstack applications

Strong skills in TypeScript

Proficient with modern frontend frameworks (React)

Solid database knowledge (PostgreSQL or similar)

Problem-solving motivation in energy and climate

Jobbeschreibung

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Energy markets are volatile complex and still running on outdated systems.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 supplier digital-first platform that helps businesses buy manage and optimize their energy with intelligence speed and transparency.

We are backed by Merantix Europe's leading AI venture studio. Joining Zeus at this early stage you'll 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 ( 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

We are an equal-opportunity employer and value diversity. We consider all applications equally regardless of race color ancestry religion sex national origin sexual orientation age citizenship marital status disability or gender identity. We strongly encourage individuals from groups traditionally underrepresented in tech to apply.

Employment Type

Full-Time

Experience

years

Vacancy

1