Developer Experience Engineer (DX) - Ledger Live


Developer Experience Engineer (DX) - Ledger Live

  • Zmluva na dobu neurčitú 
  • Paris




  • FinTech/InsurTech, Blockchain, Kybernetická bezpečnosť
  • Od 250 do 2000 zamestnancov

Pracovná ponuka

Developer Experience Engineer (DX) - Ledger Live

  • Zmluva na dobu neurčitú 
  • Paris

Táto pozícia bola obsadená!

Who are they?

Founded in 2014, Ledger is the global leader of security solutions and infrastructure for cryptocurrencies and blockchain applications, with more than 4 million users in 180 countries.

Ledger combines hardware and software expertise to secure billions of dollars worth of almost 2,000 different crypto assets - worldwide, 15% of these assets are managed through the Ledger ecosystem.

Bolstered by accelerated growth (with revenue growing by 6 times between the first semesters of 2020 and 2021), and a new fundraiser that made Ledger a “unicorn” worth 1.5 billion dollars, Ledger will be a major player in the fourth industrial revolution - the revolution of the Internet of Value, Web3, DeFi, and NFTs.

Ledger designs the most reliable and user-friendly solutions: their R&D team created an operating system, integrated into the Nano S and X, and a platform, Ledger Live, that allows users to take back control of their digital lives by acting as a secure gateway to the entire ecosystem of digital assets. Ledger has already welcomed more than 330 people in 2021 - and they’re just getting started. Based in Paris, Vierzon, Singapore, New York, London, Geneva, Montpellier and Grenoble, upon arriving at Ledger employees sign a “P.A.C.T” of values: Pragmatism, Audacity, Commitment, Transparency and Trust

Want to know more about Ledger?Company culture, teams, technical stack, jobs... Let's go for an immersion!
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Job description

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. Over 15% of the world’s crypto assets are secured through our Ledger Nanos. Headquartered in Paris and Vierzon, with offices in the 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. Have a look at our Origins video here.

We are  building disruptive engineering teams in the UK (London)

Your mission

  • Take ownership, research and explore new ways to manage our code lifecycle
  • Improve our CI/CD pipelines
  • Collaborate with our Dev and QA teams to improve code quality assurance (unit and e2e tests infrastructure)
  • Help create the best experience for internal and external developers alike on open source projects
  • Develop and maintain internal tooling to address our development needs
  • Help define and advocate for engineering best practices and processes
  • What our Tech' stack looks like

  • CI/CD: Github Actions / Pnpm / Turborepo / S3
  • Testing: Jest / Playwright / Detox
  • Desktop: Electron + Electron Builder / React / Webpack / Babel
  • Mobile: React Native / Metro Bundler / Babel
  • Language: JavaScript
  • What we’re looking for

  • You have around 5 years of experience in software development
  • A strong background in JavaScript and experience with ReactJS or other Front-End frameworks
  • Knowledge on tools such as Webpack, Babel, Yarn, Pnpm, Esbuild, or others
  • You’re eager to learn or have an experience in building and releasing JavaScript projects and libraries
  • You often come up with new ideas to solve complex problems, and know how to get your teammates behind development best practices (clear Git flows, automation, CI/CD, tests)
  • 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)
  • Tech assessment interviews (coding and design) with 2 developers from the team (2 x 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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