Ledger recrute un(e)

Senior Front-End Software Engineer - Ledger Live

CDI • Grenoble, France

Cette offre est lié au département Live


We're making the world of digital assets accessible and secure for everyone. 
Join the mission. 

Founded in 2014, Ledger is the global platform for digital assets and Web3(e)Over 15% of the world’s crypto assets are secured through our Ledger Nanos(e)Headquartered in Paris and Vierzon, with offices in UK, US, Switzerland and Singapore, Ledger has a team of more than 700 professionals developing a variety of products and services to enable individuals and companies to securely buy, store, swap, grow and manage crypto assets – including the Ledger hardware wallets line with more than 5 millions units already sold in 180 countries.
At Ledger, we embody the values that make us unique: Pragmatism, Audacity, Commitment, Trust and Transparency(e)Have a look at our Origins video here.

Ledger Live is a Desktop and Mobile application that helps you manage all your blockchain-backed assets(e)It’s built in ReactJS (Electron on Desktop and React Native on Mobile) and supports multiple blockchains (coins & NFTs) as well as providing multiple  financial services (Buy, Swap, Sell).

To sustain the company's growth, Ledger is looking for new talents, to work on UI/UX topics within a dedicated squad(e)You will join Ledger’s "Live-hub" team to maintain and develop the desktop and mobile crypto wallet app, Ledger Live(e)

Your mission

  • Own from a technical standpoint the desktop and mobile development of Ledger Live
  • Collaborate with our devs, QA, designers and product within Ledger Live teams
  • Participate in code reviews and promote code quality and best practices
  • Be responsible for the quality of Ledger’s UI/UX framework
  • Mentor and promote tech growth within the front-end team
  • Innovate and participate in building Ledger Live with new ideas around quality software, UI/UX, security and blockchain technology
  • Share knowledge within Ledger from front-end development to blockchain programming

What our Tech' stack looks like

  • You’ll be working on Open Source projects: ledger-live-mobile, ledger-live-desktop as well as ledger-live-common (business functionality) and ledger-live-ui (UI library)
  • Language: ES7 JavaScript (TypeScript)
  • UI done with Electron and React (desktop) and React Native (mobile) – and its ecosystem (e.g(e)redux, react-navigation)
  • UI library done using Storybook and Styled-components for both mobile and desktop applications
  • E2e testing using Playwright (desktop) and Detox (mobile)

What we’re looking for

  • Engineer profile with at least 5 years of experience in front-end software development
  • You have a strong background in React and/or React Native development and UI/UX
  • You master JavaScript, functional programming and are comfortable working with type systems (TypeScript)
  • You have experience working with complex projects focusing on performance and scalability of the front-end stack
  • Good to have: experience in mentoring junior devs and establishing front-end best practices

What's in it for you

  • Equity: Employees are the foundation of our success, and we award stock options so you can share in that success as we grow
  • Flexibility: A hybrid work policy
  • Social: Annual company outing for Ledgerdary Days, plus frequent social events, snacks and drinks
  • Medical: Comprehensive health insurance policy offering extensive medical, dental and vision care coverage
  • Well-being: Personal development, coaching & fitness with our dedicated partners
  • Vacation: Five weeks of paid leave per year, in addition to national holidays and rest & relaxation (RTT) days
  • High tech: Access to high performance office equipment and gadgets, including Apple products
  • Transport: Ledger reimburses part of your preferred means of transportation
  • Discounts: Employee discount on all our products

Hiring process

  • An HR interview (30min)
  • A Team Fit interview with 2 developers from the team (1h)
  • A Coding interview with 2 developers from the team (1h)
  • A Final interview with our VP of Engineering (30min)
We are an equal opportunity employer for all without any distinction of gender, ethnicity, religion, sexual orientation, social status, disability or age.

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