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 25% 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 almost 1000 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.
The “Device Experience” team is looking for a Typescript developer to enforce
the team. You will join a team of 6 developers + the team lead. Device experience scope is composed of 2 main projects.
Ledger Live which is an application that allow our customer to interact with our
hardware wallets. This app exist for mobile (react-native) and desktop (react inside electron). Device SDK which is a new project in Ledger that aim to deliver to every partner in the web3 ecosystem an easy integration with our device.
Missions :
- You join Ledger Live engineering team to maintain and develop on Ledger
- Live stack involving Ledger Live apps (mobile and desktop) and its ecosystem,
- Your work involves working 100% on Open Source projects all gathered in our monorepo: ledger-live.
- You participate to our modularization effort by contributing to our upcoming
- Device SDK, intended for both internal and external usage
- You maintain and extend our @ledgerhq/hw-transport-* libraries that implement communication protocol with Ledger hardware wallet devices through many communication channels (U2F, HID, WebUSB, Bluetooth,...) and platforms (Web, Node, Electron, React Native,...),
- You contribute to “My Ledger” section on Ledger Live application where users can update their devices’ firmware and install applications,
- You collaborate closely with other engineering teams like the Firmware team as well as your Product team
- You help our QA team to automate even more our testing approaches,
- You hunt bugs: Be involved in investigating bugs in the complex world of blockchains edge cases.
What we're looking for :
- Engineer profile with at least 4 years of experience in software development and a tech lead experience,
- A curious mind with a positive attitude to join a highly collaborative team
- Proficient with JavaScript and TypeScript,
- Strong background/interest in algorithm development and optimization to work on our stack: work with devices using APDU, messages, work with blockchain technologies, etc.,
- Excellent knowledge of React and hooks,
Nice to have:
- Functional reactive programming (RxJS)
- Experience with bluetooth or HID communication,
- Previous experience working with embedded systems,
- Open source experience.
- SOLID principles understanding
- Clean architecture experience
- Github actions (or similar) experience
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.