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Urgent! Fullstack Engineer (f/m/d) Job Opening In Berlin – Now Hiring Merantix
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Energy markets are volatile, complex, and still running on outdated systems.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—a 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.
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/Next.js), backend (Node.js/TypeScript), 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
2+ years of experience building production-grade fullstack applications
Strong skills in Node.js and TypeScript
Proficient with modern frontend frameworks (React, Next.js)
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
Impact: Build the foundation of an AI-native energy supplier at a decisive stage
Stability: Backed by Merantix’s 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 stack—minimal tech debt
Compensation: Competitive salary + ESOP participation
Work model: Based at the AI Campus Berlin; hybrid flexibility possible
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.
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Unlock Your Fullstack Engineer Potential: Insight & Career Growth Guide
Real-time Fullstack Engineer Jobs Trends in Berlin, Germany (Graphical Representation)
Explore profound insights with Expertini's real-time, in-depth analysis, showcased through the graph below. This graph displays the job market trends for Fullstack Engineer in Berlin, Germany using a bar chart to represent the number of jobs available and a trend line to illustrate the trend over time. Specifically, the graph shows 18984 jobs in Germany and 2129 jobs in Berlin. This comprehensive analysis highlights market share and opportunities for professionals in Fullstack Engineer roles. These dynamic trends provide a better understanding of the job market landscape in these regions.
Great news! Merantix is currently hiring and seeking a Fullstack Engineer (f/m/d) to join their team. Feel free to download the job details.
Wait no longer! Are you also interested in exploring similar jobs? Search now: Fullstack Engineer (f/m/d) Jobs Berlin.
An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at Merantix adheres to the cultural norms as outlined by Expertini.
The fundamental ethical values are:The average salary range for a Fullstack Engineer (f/m/d) Jobs Germany varies, but the pay scale is rated "Standard" in Berlin. Salary levels may vary depending on your industry, experience, and skills. It's essential to research and negotiate effectively. We advise reading the full job specification before proceeding with the application to understand the salary package.
Key qualifications for Fullstack Engineer (f/m/d) typically include Computer Occupations and a list of qualifications and expertise as mentioned in the job specification. Be sure to check the specific job listing for detailed requirements and qualifications.
To improve your chances of getting hired for Fullstack Engineer (f/m/d), consider enhancing your skills. Check your CV/Résumé Score with our free Resume Scoring Tool. We have an in-built Resume Scoring tool that gives you the matching score for each job based on your CV/Résumé once it is uploaded. This can help you align your CV/Résumé according to the job requirements and enhance your skills if needed.
Here are some tips to help you prepare for and ace your job interview:
Before the Interview:To prepare for your Fullstack Engineer (f/m/d) interview at Merantix, research the company, understand the job requirements, and practice common interview questions.
Highlight your leadership skills, achievements, and strategic thinking abilities. Be prepared to discuss your experience with HR, including your approach to meeting targets as a team player. Additionally, review the Merantix's products or services and be prepared to discuss how you can contribute to their success.
By following these tips, you can increase your chances of making a positive impression and landing the job!
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