Job Opportunities in the kopa ventures Portfolio

kopa ventures
kopa ventures

Software Engineer - Flutter (m/f/d) Munich, Berlin or Hamburg



Software Engineering
Posted on Saturday, November 18, 2023


We are looking for you as an addition to our tech-team in Berlin, Munich or Hamburg. 1KOMMA5° is building Germany´s largest one-stop-shop for sale, installation and services related to solar, heat pumps, electricity and charging infrastructure. And they are all connected! Be a part of our mission!

Deine Position

In tech we have two main work streams:

  • Heartbeat: Building a virtual power plant levering our energy manager “Heartbeat” and evolving the customer experience app around this
  • Operating System for installation companies: Digitisation of operations and processes from ground operations to rooftop installations

As a mobile developer in 1KOMMA5°, you will be one of the first members of a cross-functional team alongside frontend and backend engineers, product owners and UX/UI designers. You will build the customer experience app and primary communication channel to our customers, while helping build a self-organised team, responsible for defining, designing, deploying and running their own solutions. Cloud Architects and SREs will enable you to easily deliver and run software in a consistent, secure and reliable way.

Key responsibilities include but are not limited to:

  • Create, implement, evaluate, deploy, sustain, and enhance high-quality Flutter-based mobile apps for iOS and Android platforms
  • Foster a culture of experiment-driven innovation within the team
  • Promote teamwork and successful project execution
  • Improve developer satisfaction by constantly avoiding/reducing tech-dept, automating as much as possible and documenting decisions, runbooks etc.
  • Provide guidance and coaching to colleagues on design methods and coding standards

Technologies you will work with include:

  • Flutter
  • Dart
  • Google Cloud Platform (Firebase, Cloud Run, Cloud Functions, CloudSQL, …)
  • GitHub

Dein Profil

You have:

  • 4+ years of experience developing mobile apps natively in iOS and/or Android
  • 2+ years of experience developing and delivering Flutter based apps
  • experience with developing clean, well maintainable, and testable code
  • good understanding of Flutter state management (e. g. Provider or Redux)
  • experience with using UI/UX principles
  • experience with APIs and database management for integrating server-side APIs with the Flutter app
  • experience quickly finding your way around in cross-functional teams in a fast pace, interdisciplinary working environment
  • an agile and result-oriented mindset and you consider yourself a team player
  • very good knowledge of spoken and written English, German is a plus

Bonus points for:

  • Experience in other areas of software development outside of mobile (backend, frontend, infrastructure, etc.)
  • Experience with continuous delivery, cloud infrastructure (ideally Google Cloud) and DevOps practices
  • Experience with designing and implementing APIs
  • Experience and interest in climate tech industry

We are an ambitious and dynamic company with a talented team. We require our engineers to be imaginative, enthusiastic, and willing to tackle new challenges as we strive to provide everyone with renewable energy technologies.


  • The opportunity to travel, work mobile
  • Individualized opportunities for professional development
  • Being part of a global change movement
  • Working in a diverse team with hard workers and real team players
  • Seeing the impact of your work, daily