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Software Engineer - Wallet Experience - Internship

France, Montpellier · Job Posted February 19, 2026
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Job Description

Internship duration: 6 months. Ledger has developed Ledger Wallet, an application to manage all your blockchain-backed assets. It’s built in React.js (Electron on Desktop and React Native on Mobile) and supports multiple blockchains (coins & NFTs) as well as provides multiple services by integrating DApps and offering a SDK for 3rd parties to integrate. Of course, all this is backed by our hardware wallets which Ledger Wallet allows you to manage. This application is developed by several teams, each working on specific parts of the software. To support our continued growth, we’re hiring an Front-End Software Engineer Interns to join the Wallet Experience business unit. You’ll work directly with the Engineering team to deliver core features across our top-rated native applications. The ideal candidate will have a passion for experience and design, an eye for detail as well as a deep understanding of front-end development and scalable code.

Job Responsibility

  • Own from a technical standpoint the desktop and mobile development of Ledger Wallet Applications
  • Collaborate with our devs, QA, designers, and product within Ledger Wallet teams
  • Take initiative and offer technical solutions
  • Develop features using best practices from unit to e2e testing
  • Participate in code reviews
  • Be responsible for the quality of Ledger’s UI/UX framework
  • Work 100% on Open Source projects all gathered in our monorepo: ledger-live
  • Share knowledge within Ledger and beyond

Requirements

  • A curious mind with a positive attitude to join a highly collaborative team
  • Knowledge of UI/UX practices in software development
  • Proficient with JavaScript and TypeScript
  • Good experience in React.js development, tools and libraries
  • Good knowledge of testing strategies

Nice to have

  • Experience with React Native and/or Electron
  • Experience in Web3 topics and technical stack
  • Experience in maintaining a library of shared components

What we offer

  • Social: Frequent social events, snacks and drinks
  • Transportation allowance: Ledger offers a commuter allowance to contribute to your preferred means of transportation
  • Lunch vouchers: Ledger offers a meal allowance with Swile
  • Vacation: 1 day off for every full month of work, in addition to national holidays
  • Compensation: €1,500 a month

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