Full Stack Engineer

Einklang; Köln; Vor Ort; Vertraulich; Vollzeit

Zusammenfassung

An innovative energy startup in Cologne seeks a Full Stack Engineer to enhance their customer experience with an intuitive energy platform. You will bridge the technical aspects of energy management and user-friendly design, collaborating with experts across various fields. Ideal candidates are proactive, eager to learn, and possess experience in Python and modern frontend frameworks. Embrace the opportunity to contribute to Europe's renewable energy future while enjoying a dynamic work culture with meaningful perks.

Leistungen

Collaborative, mission-driven team

Strong personal growth opportunities

Practical perks supporting wellbeing

Office in the heart of Cologne

Qualifikationen

• Experience with frontend frameworks like React, Next.js, or SvelteKit.
• Strong understanding of UI/UX and data visualization.
• Backend experience in Python or Node.js is preferred.
• Knowledge of the energy market or grid is a plus.
• German language skills are advantageous.

Aufgaben

• Build and maintain user-facing applications effectively.
• Develop clean, scalable, and high-quality solutions.
• Translate technical challenges into intuitive UX flows.
• Own features end-to-end from concept to production.
• Define the customer experience of the energy platform.

Kenntnisse

Curiosity

Proactive communication

Ownership

Fast learning

Problem-solving

Tools

Python

Postgres

Docker

Github

Terraform

React

Next.js

SvelteKit

Jobbeschreibung

🌍 Who We Are

At Einklang, we believe in powering the world in harmony with sun and wind.
Our mission is to empower European companies to compete globally by providing access to the cheapest electron, which we believe will always be a green one.
We achieve this by combining intelligent battery storage and flexible energy supply through our orchestration layer, Einklang OS.

Tasks

🚀 Your Role

As our Full Stack Engineer, you will build the bridge between our technical energy platform and the customer experience. You will design and develop intuitive interfaces that make complex optimization decisions easy to understand. Your work will ensure that our customers see, trust, and benefit from the intelligence of our battery systems in a clear and user-friendly way.

You will collaborate closely with backend, product, and energy experts to transform technical insights into smooth, beautiful, and highly usable applications. From frontend interactions to backend integrations, you will shape how our customers experience the future of renewable energy.

🧩 What You’ll Do

• Build and maintain user-facing applications that clearly communicate complex energy and optimization data.
• Develop clean, scalable, and high-quality front- and backend solutions.
• Work with product and engineering to translate technical challenges into intuitive UX flows.
• Iterate rapidly, own features end-to-end, and push ideas from concept to production.
• Help define the customer experience of our energy platform.

Requirements

Who You Are

• Curious, proactive, and communicative — you love exploring new domains.
• Ready to take ownership and drive decisions independently.
• Fast learner with a genuine motivation to dive deep into the energy domain.
• Passionate about building real systems that solve real problems.

🛠 Our Tech Stack

• Python
• Postgres
• Docker
• Github
• Terraform
• React / Next.js / SvelteKit

⭐ Nice to Have

• Experience with frontend frameworks (e.g., React, Next.js, or SvelteKit)
• Strong understanding of UI/UX and data visualization
• Backend experience in Python or Node.js.
• Energy market or grid knowledge
• German language skills

Benefits

🌞 Why You’ll Love Working With Us

• Build technology that shifts Europe toward renewable energy
• Work in a fast-paced startup shaping the energy transition
• High ownership and high impact — your work directly moves real electrons
• A collaborative, mission-driven team with a great office in the heart of Cologne
• Strong personal growth opportunities in a rapidly scaling environment
• Meaningful work that directly contributes to a greener and more resilient energy system
• Practical perks that support your wellbeing, like Urban Sports and Deutschlandticket option

🔋 Ready to power Europe’s energy future?

Send us your profile — we’d love to meet you.