Senior Software Engineer - Mobile (m/f/d)

• Shape the technical direction of the Installation Manager mobile app: 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
• Work closely with product, design, and backend to turn real field feedback into a better product

Accelerate the energy transition by building the mobile app that digitizes field operations for renewable energy installations, directly contributing to transitioning 1.5 million households to renewable energies by 2030.

• Solid experience building, shipping, and maintaining mobile apps in production (any stack; Flutter not required)
• A genuine testing mindset: you've 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

• International, dynamic, and highly motivated team
• Direct impact on climate through your work
• Work with and learn from super-smart colleagues
• Direct contact with core decision-makers
• Best chances of entering full-time in one of Europe’s most thriving scaleups
• Remote work (Germany-wide) with offices in Hamburg, Berlin, or Munich
• EGYM Wellpass for health balance
• Job bike leasing

1KOMMA5° is building the energy system of the future with Heartbeat AI, integrating solar, batteries, heat pumps, and e-mobility into an intelligent virtual power plant to make renewable energy accessible and cost-effective.