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1KOMMA5 Logo 1KOMMA5 · IT - Software Development

Software Engineer Flutter

Germany, Hamburg · Job Posted February 13, 2026
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Job Description

As a mobile engineer at 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 Installation Manager, our mobile app for the digitization of operations and processes from ground operations to rooftop installations, while helping build a self-organized team responsible for defining, designing, deploying, and running their own solutions.

Job Responsibility

  • Spearhead the evolution of our mobile app for the virtual assembly line, supporting the team in achieving ambitious goals and driving continuous improvement for the 1KOMMA5° Installation Manager app
  • Drive product development and innovation by testing your code and delivering scalable, reliable and high-performance front-end solutions to ensure continuous technical improvements and maintainability of our apps
  • Create, implement, deploy, sustain, and enhance high-quality Flutter-based mobile apps for iOS and Android platforms
  • Promote teamwork and successful project execution while constantly refining features based on user feedback and industry trends to improve the customer experience
  • Provide guidance and coaching to colleagues on automated testing and releasing, design methods, and coding standards and be a real team player when it comes to sharing knowledge and experience, especially across team boundaries and beyond your own role

Requirements

  • Proven track record of developing, releasing, and maintaining several mobile apps cross-platform with Flutter
  • Experience with developing and releasing clean, well-maintainable, and testable code with continuous delivery and automated tests
  • Experience with implementing native UI/UX guidelines, APIs, and database management for integrating server-side APIs
  • Ability to quickly navigate remote and async-loving cross-functional teams in a fast-paced, interdisciplinary working environment
  • Result-oriented mindset, and the urge to help the people around you thrive
  • Very good knowledge of spoken and written English

Nice to have

  • German language skills
  • Experience with TypeScript, Ruby, and modern web development practices
  • Experience in other areas of software development outside of mobile (backend, frontend, infrastructure, etc.)
  • Experience with cloud infrastructure (ideally Google Cloud) and DevOps practices
  • Experience with designing and implementing APIs
  • Experience and interest in climate tech industry

What we offer

  • Part of an international, dynamic, and highly motivated team
  • Work accelerates the 'energy transition' and has a direct impact on our climate
  • Work with and learn from other super-smart colleagues
  • Direct contact with core decision-makers
  • Best chances of entering full-time in one of Europe’s most thriving scaleups
  • Work remotely (Germany-wide), with offices in Hamburg, Berlin, or Munich
  • EGYM Wellpass
  • Job bike leasing
  • Benefits and discounts with Futurebens
1KOMMA5 - All Job Offers

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