Senior Software Engineer Mobile (mfd)

1KOMMA5

At 1KOMMA5 we pursue a clear vision: Living on wind and sunlight forever for free. To make this a reality we are building the energy system of the future with Heartbeat AI. Want to be part of it

We bring together regional craftsmanship and scalable software: We dont think of solar batteries heat pumps and e-mobility as isolated components but control them as an intelligent integrated overall system in our virtual power plant. Directly connected to the electricity market in real time fully automated. This way energy is used when it is available from renewables and particularly cost-effective. By 2030 our goal is to transition 1.5 million households to renewable energies. Over 3000 people are working towards this every day at more than 80 locations worldwide from Finland to Australia.

Want to take responsibility and build solutions that truly matter Apply now and help us shape the energy world of tomorrow.

Become a part of our mission and learn about our Product & Tech team!

Deine Position

Were building the Installation Manager: the mobile app our field teams rely on to digitize everything from ground operations to rooftop installations. As the business scales more and more depends on this app working beautifully. Thats where you come in.

Youll join a cross-functional team of frontend backend product and design folks and help shape a self-organized group that owns what it builds end to end. We work remotely (Germany-wide) async by default with offices in Hamburg Berlin and Munich if you like one.

A note on our stack: the app is built in Flutter. You dont need prior Flutter experience. If youve shipped and maintained quality mobile apps on any stack and youre excited to go deep on Flutter we want to talk. We care far more about how you think ship and raise the bar for the people around you.

What youll do:

• Shape the technical direction of the Installation Manager: architecture release quality performance and long-term maintainability
• Ship reliable well-tested mobile features and help the team build a strong automated-testing and continuous-release practice
• Mentor and grow the engineers around you sharing what you know across team boundaries (not just within your own role)
• Work closely with product design and backend to turn real field feedback into a better product
• Help debug the messy interesting problems that come with hardware-connected apps in the real worldTechnologies and tools youll work with: Flutter Patrol Firestore GCP (Pub/Sub Cloud Functions) GitHub Linear Miro and ShapeUp.

Dein Profil

What were looking for:

• Solid experience building shipping and maintaining mobile apps in production (any stack; Flutter not required)
• A genuine testing mindset: youve built or driven automated testing and continuous delivery
• You communicate openly and proactively and you thrive in a remote async team
• You lift the people around you and you care about the craft as much as the outcome
• Good spoken and written EnglishNice to have (truly optional please apply without these):
• Flutter or other cross-platform mobile experience
• Experience building for non digital-native users (our users are out in the field not at a desk)
• Cloud / DevOps experience ideally Google Cloud
• API design experience or breadth beyond mobile (backend frontend infra)
• Interest in climate techWere building a diverse team on purpose. We welcome applications from people of every background gender age origin religion disability or identity. If youre excited about this role but dont tick every box please apply anyway wed rather hear from you. Need any accommodation during the process Just tell us and well make it work.

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 Europes 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
• Whether city bike or e-bike - be flexible with our job bike leasing and do something good for the environment at the same time