Senior iOS Engineer (Remote, Europe only)
London, England, United Kingdom
3d ago


Join us as we get ready to bring crypto's benefits to millions more people. You'll play a vital part by delivering outstanding UX and unrivalled security.

This will draw on your experience building top-tier apps that you're proud of, quickly shipping features, and taking ownership of the entire development lifecycle.


  • 5 years experience building top tier iOS apps, minimum 3 years in Swift
  • Strong computer science and security fundamentals
  • Focused on delivering great UX
  • Expert knowledge of :

  • The Apple ecosystem - everything from UIKit animation and navigation stacks down to Keychain and Operation Queues
  • Debugging iOS apps - memory management, object lifecycle, view hierarchy
  • Network protocols and data persistence techniques
  • Testing iOS apps with unit tests and UI tests
  • Implementing different design patterns (i.e. Composable Architecture, Combine, Redux, MVVM)
  • Implementing security best practices for safeguarding data on a mobile device
  • Continuous integration and source control, App Store Connect, Certificates & Entitlements
  • The app

    The Argent app is 100% Swift. We use our own open source web3.swift library for communicating with the Ethereum blockchain.

    Our latest updates target iOS14+ so we are working with the latest frameworks.


  • Work remotely - anywhere in Europe (but Europe only). No commute. Lots of flexibility. Plenty of time to care for your kids or cats.
  • Equity in a high growth startup backed by the investors of Spotify and Slack.
  • Autonomy - you decide how to achieve your best work.
  • Trips across Europe - for one week every three months we collaborate in person, explore new solutions and have fun. So far we’ve stayed in Nice, Toulouse, Brussels, Lisbon and Barcelona.
  • We'll resume these when safe following COVID.

  • Equipment - pick the tech setup of your choice.
  • Parental leave - generous package for new parents.
  • Build a new industry - help define the future of the web.
  • Our values

    You can find more information on each of our values .

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