Java Backend Engineer


Bern, Bern, Switzerland Remote

Full Time


Oct 27

Join our team and support them with your technical knowledge in Java Backend Engineering.

required skills

  • Experience with Java EE / Jakarta EE
  • Git and working with pull requests
  • JUnit

nice to have

  • Experience with Quarkus 
  • Kotlin knowledge
  • Rust knowledge
  • Understanding of Bitcoin / Lightning protocols
  • Hasura / GraphQL
  • Enterprise software development

our culture

team - we are an international development team

transparency - we have a direct and honest feedback culture

motivation - we grow together by learning from each other

proactive - we develop a product together and honour ideas

community - we value open source and open standards

our mission

we make bitcoin accessible to everyone

we create a mobile payment app for businesses and their customers

we stand for transparent low fees and community

join us in our mission and...

  • build a non-custodial bitcoin lightning wallet for Android and iOS 
  • develop an app optimised for businesses making it simple to receive bitcoin lightning payments

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lightning payments for everybody