Full-stack 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 an experienced full stack developer to architect and develop 12iD’s application, as well as coordinate with the team, responsible for other layers of the product infrastructure. The professional will be a crucial part of the team and success of 12iD. 12iD seeks a professional with experience in the MERN stack along with .Net framework.



  • Build and architect 12iD’s backend in .Net
  • Integrate different parts of 12iD’s solution
  • Transition current codebase to .JS based platforms from .Net
  • 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
  • Participate in code reviews
  • Read and create documentation for internal and external use

The role may develop over time.



  • 3-5 years of experience in React Native or another .JS based framework
  • 3-5 years experience with .NET
  • 3-5 years of experience in Xamarin (preferred)
  • Experience with cloud technologies (preferred)
  • Experience with Docker and Kubernetes (preferred)
  • An understanding of different blockchain concepts and technologies is preferable
  • Understanding of the security solutions provided today in the financial industry (preferably more industries)
  • Ability to deliver on deadlines
  • 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 awais@12id.com of why you are the right candidate for the role. Look forward to hearing from you!

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