Data Engineer - Energy Storage & Optimization

Einklang New Energy; Köln; Vor Ort; EUR 55.000 - 75.000; Vollzeit

Benefits dieser Stelle

High ownership and impact

Collaborative team environment

Strong personal growth opportunities

Practical wellness perks

Zusammenfassung

A renewable energy startup in Cologne is looking for a Data Engineer specializing in Energy Storage & Optimization. You will design and maintain optimization pipelines, develop scalable data models, and collaborate with multidisciplinary teams to implement solutions in the energy sector. The ideal candidate is proactive, eager to learn, and passionate about practical solutions to energy challenges. Strong technical skills in Python and knowledge of optimization are essential for this impactful role.

Qualifikationen

• Curious, proactive, and communicative.
• Ready to take ownership and drive decisions independently.
• Fast learner with a genuine motivation in the energy domain.
• Passionate about building systems that solve real problems.

Aufgaben

• Design and maintain a cloud-native optimization pipeline for battery storage systems.
• Develop data models and services to help forecasting and decision-making.
• Collaborate with product and engineering teams to turn complex energy dynamics into code.
• Own projects from idea to production.

Kenntnisse

Python

Postgres

Docker

GitHub

Terraform

Jobbeschreibung

Data Engineer - Energy Storage & Optimization

Join to apply for the Data Engineer - Energy Storage & Optimization role at Einklang New Energy

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 will always be green. We combine intelligent battery storage and flexible energy supply through our orchestration layer, Einklang OS.

Responsibilities

• Design, build, and maintain our cloud‑native optimization pipeline for battery storage systems.
• Develop scalable data models and services that help our system forecast, decide, and act.
• Work closely with product, energy specialists, and engineering to turn complex energy dynamics into clean, robust code.
• Own projects end‑to‑end – from idea to architecture to implementation to production.

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.

Tech Stack

• Python
• Postgres
• Docker
• GitHub
• Terraform

Nice to Have

• Cloud experience (e.g., AWS, GCP, Azure, Hetzner)
• Energy market or grid knowledge
• Optimization / operations research background
• German language skills

Benefits

• Build technology that shifts Europe toward renewable energy
• Work in a fast‑paced startup shaping the energy transition
• High ownership and impact – your work directly moves real electrons
• 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.