Front-End Developer


France 🇫🇷 Remote


Aug 11

This job is no longer accepting applications.


  • Design, create and integrate reusable, performant, and accessible components for the Ledger Vault’s user interface
  • Collaborate with Product and Design teams to produce interfaces with the best user experience
  • Build software to hardware interfaces to communicate with users’ security devices
  • Contribute to the improvement of automated testing and internal developer tooling framework
  • Work alongside QA, Back-End, and Firmware engineers to integrate features
  • Investigate bugs and performance issues across the whole stack


  • 4+ years of experience in a Front-End software engineering role, preferably in product-based startup environments
  • Deep knowledge of JavaScript (TypeScript), React, Git, and Docker
  • Experience with testing tools such as Jest, Puppeteer, and automation tools such as CI, GitHub Actions
  • Capable of self-training on testing tools, blockchain protocols, and hardware-software interactions with different communication protocols
  • Familiarity with software development best practices, version control, code reviews, testing, CI/CD
  • Work in an agile environment (Scrum/XP/Kanban)
  • Fluent in English, French is a plus

Bonus points

  • You are keen to step outside your area of expertise, and contribute to all parts of a product
  • You have an interest in cryptocurrencies, blockchain technology, or finance
  • You are active in the open-source community, speak at conferences, attend meetups, write blogs, contribute code


  • Competitive compensation package and ESOP according to the Company policy
  • Flexible working hours, remote-friendly environment
  • Strong focus on personal development including internal/external trainings and conference attendance
  • Internal talks, technical meetups, and hackathons
  • High-performance office equipment
  • Comprehensive health insurance policy offering extensive medical, dental, and vision care coverage
  • Meal Vouchers with Swile
  • Annual company outing for Ledgerdary Days plus infrequent parties, snacks, and drinks
  • Employee discount on Ledger products

Interview process

  • You will first have an HR interview
  • The second step will be a fit interview with Product team & Engineering team
  • The third step will be a homework coding test (3h max)
  • The fourth step will be a debrief of the coding test with a live coding exercise
  • The final step will be a conversation with the VP of engineering

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