Cross-Platform Mobile Application Developer

Job Functions: Development
Employment Type: Full-time
Seniority Level: Associate
Location: Stockholm

UPDATE: 12iD recently closed its latest financing round, has employed great professionals and looks to further increase the team! Preferably someone with experience working towards or in developing countries.


12iD is a venture capital-backed Swedish startup, providing a global digital identity solution (inspired by Mobile Bank ID). At 12iD, we strive to solve financial inclusion, create a cross-border ecosystem and become the biggest solution provider for digital identity in the world. The solution eliminates regulation issues and authentication fraud, by offering superior technology, a scalable business model and simple functionality.

This is a rare opportunity to become part of the next exciting and promising Swedish tech startup, truly impacting your role and the future of the company!


12iD is looking for a mobile application developer to build our mobile application in Xamarin for both Android and iOS. The professional will be a crucial part of the team and success of 12iD. 12iD seeks a professional with experience in Xamarin as well as android and iOS development. 



  • Build pixel-perfect, buttery smooth UIs 
  • Leverage native APIs for deep integrations with Xamarin 
  • Diagnose, fix bugs and bottlenecks for performance that feels native
  • Maintain code and write automated tests to ensure the product is of the highest quality
  • Integrate different parts of our solution
  • Migrate Xamarin code to React Native
  • Read and create documentation
  • Prepare to report on daily scrum meeting

The role may develop over time.



  • 3-5 years of experience in Xamarin app development
  • Experience in working with iOS, Android, React Native is a plus
  • An understanding of different blockchain concepts and technologies is preferable  
  • Ability to deliver on deadlines
  • Understanding of the security solutions provided today in the financial industry (preferably more industries)
  • Preferably have basic knowledge of banking integration of software solutions
  • Fluent in English

12iD seeks a professional with a mature, independent, killer-instinct attitude, ready to build the next unicorn together with the rest of the team! We’re a creative, optimistic, and tech-savvy company, based in central Stockholm, Sweden. We prioritize culture, development and inclusion, as well as a self-starter personality.



Feel free to also send your resume/CV to of why you are the right candidate for the role. Look forward to hearing from you!

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