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Senior Javascript Software Engineer - Ledger Live

Plný úvazek
Paris
Plat: Neuvedeno
Žádná práce na dálku

Ledger
Ledger

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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 800 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 develop hardware wallets, a physical key to keep your crypto assets safe – Ledger Live is the central software we deliver to our users to manage it and track their cryptocurrency portfolio.

Ledger Live team, at Ledger, provides a bridge between their hardware key and the blockchain to offer a unified experience.

Ledger live is Community Driven product with 200k+ monthly users.

All our software products have an aspect of integration with our hardware wallets.

Our engineers interact on a daily basis with hardware, security, crypto, design teams to build the best new generation products.

Your mission

  • You join Ledger Live engineering team to maintain and develop on Ledger Live stack, involving Ledger Live apps (mobile and desktop) and its ecosystem
  • You maintain and develop new ideas around it on existing and future tooling projects (example: automated testing of crypto transactions with a bot, command line interface, internal/external tooling)
  • Your work involves working 100% on Open Source projects: ledger-live-mobile, ledger-live-desktop as well as ledger-live-common (business logic) and ledgerjs (hardware communication)
  • Helping our QA team to automate even more our testing approaches
  • Be involved in investigating bugs in the complex world of blockchains edge cases
  • What we’re looking for:

  • Engineer profile with at least 8 years of experience in Software development
  • You have a strong background/interest in algorithm development and optimization to work on our stack: work with device in binary, work with blockchain technologies, ...
  • You have a good knowledge of JavaScript and are comfortable working with type systems (TypeScript / Flowtype)
  • You have a good knowledge of DOM / CSS and UI libraries like React
  • You are curious to learn how blockchain works under the hood and investigate deeply complex systems
  • Nice to have: functional programming, experience in GraphQL, open source experience
  • What our tech stack looks like ?

  • Language: ES7+ JavaScript (with FlowType and TypeScript)
  • UI done with Electron and React (desktop) and React Native (mobile) – and its ecosystem (e.g. redux, react-navigation)
  • Interact with hardware devices with async and observable paradigm using RxJS
  • We are full stack: from business logic of blockchain to the hardware wallets
  • 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.
  • 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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