1KOMMA5°
We are looking for a Working Student Software Engineer Flutter to join our Heartbeat Tech team in Berlin, Hamburg, or Munich. The Heartbeat Tech team drives the development of our end customer app, helping users understand how they generate, store, and consume energy in their homes. You’ll get hands-on experience working at the intersection of software, hardware, and clean energy — and help build the tools that empower thousands of households across Europe.
Become a part of our mission and learn more about our Product & Tech team!
Your mission
Join our Heartbeat Tech team and help shape the digital experience of thousands of end customers using our energy management app. As a Working Student in Flutter, you will support our Engineering teams in developing features that empower users to track, understand, and optimize their home energy systems – from solar to storage and beyond.
App Bug Diagnosis & Fixing: Diagnose and fix bugs in our Flutter applications which are deployed on Web, Android, and iOS. You'll be using error reporting tools to identify issues and ensure a smooth user experience.
Test Coverage & Code Quality Management: Help us maintain high code quality standards. You'll work with tools like Codecov and DCM to increase our test coverage and ensure our codebase is clean and efficient.
Release Management & Pipeline Automation: Assist in preparing our applications for release. This includes automating parts of our GitHub Actions based deployment pipeline to streamline the process and get new features and fixes out to users faster.
Bonus Points for:
Experience in other areas of software development outside of mobile (e.g. backend, web frontend, infrastructure, etc.)
Experience with continuous delivery, cloud infrastructure (ideally Google Cloud) and DevOps practices
Experience and interest in climate tech industry
Your profile
The successful candidate will have:
You are currently enrolled at a university and can work up to 20 hours per week
You are studying a relevant subject (e.g. Business, Computer Science, Design, Energy, or similar)
You have experience with Flutter
You had first touchpoints with writing tests, managing code quality, automating release processes, and/or debugging mobile applications
You generally know how software systems work, how they communicate via APIs, and how they create value to users
You have strong communication skills and enjoy working with diverse teams
You work proactively, are curious to learn, and bring a hands-on mindset
You are confident in English (our company language); German is a plus
You want to make an impact and contribute to one of Europe’s most exciting climate tech companies
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°)