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Working Student Data Engineering & Analytics - Energy Operations (m/f/d)

1KOMMA5°

1KOMMA5°

Software Engineering, Operations, Data Science
Berlin, Germany · Munich, Germany · Hamburg, Germany
Posted on Nov 19, 2025
1KOMMA5°
We are looking for you to join our tech team in Berlin, Munich, or Hamburg. 1KOMMA5° is creating Germany's largest one-stop-shop for the sale, installation, and servicing of solar panels, heat pumps, electricity solutions, and charging infrastructure. And the best part? They are all interconnected!
Become a part of our mission and learn more about our Product & Tech team!
Your mission
We are looking for an enthusiastic and curious Working Student (15-20 hours/week) to join our journey. This is a unique opportunity for someone eager to learn how a modern analytics platform is built, scaled, and applied to business processes. You will be an integral part of the Energy Operations team, contributing to real projects and learning the practical side of data engineering, reporting and analysis.
You will …
  • … own and maintain data pipelines for our energy operations from smart meter installation to the connection to the energy market.
  • … create and maintain reports in Looker to get insights on everything related to smart meters, energy delivery and optimization, as well as billing our customers for the Dynamic Pulse service.
  • … assist the team in maintaining the integrity and availability of our core operational data sets.
  • … contribute to our codebase (primarily in Python) to automate routine operational analysis and improve data quality.
Your profile
  • Bachelor's or Master's program in Computer Science, Data Science, Engineering, Business Informatics, or a related field
  • Comfortable writing SQL queries to select, join, and transform operational data
  • Hands-on experience writing code from university projects or personal projects; experience with Python is a strong plus
  • Experience with Looker or similar tool (PowerBI, Tableau) is a strong plus
  • Fluency in German & English
  • Part-time (15-20 hours/week)
Benefits
  • You are part of an international, dynamic, and highly motivated team of people who have proven to make things happen
  • With your work, you accelerate the "energy transition" and hence have a direct impact on our climate
  • Work with and learn from other super-smart colleagues
  • You will enjoy direct contact with core decision-makers
  • You will enjoy the best chances of entering full-time in one of Europe’s most thriving scaleups
  • You work remotely (Germany-wide), with offices in Hamburg, Berlin or Munich
  • Create a healthy balance alongside your work and enjoy all the benefits of the EGYM Wellpass
About us
"At 1KOMMA5°, our vision is to accelerate CO2 neutral life for all! We created an easy one-stop-shop to buy and install solar, charging stations and heat pumps, with the purpose of liberating all European homes from the shackles of fossil fuels. With Heartbeat, we make clean energy smarter. Connecting our customers into one powerful clean energy operating system to enable flexible tariffs and to ultimately follow the rhythm of wind and sun!" - Philipp Schröder (CEO 1KOMMA5°)