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 million 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 allows our customers to interact with our hardware wallets. This app exists for mobile (react-native) and desktop (react inside electron).
Device SDK which is a new project in Ledger that aims to deliver to every partner in the web3 ecosystem an easy integration with our device.
Missions:
- 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.
- Participate to our modularization effort by contributing to our upcoming Device SDK, intended for both internal and external usage.
- 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,...).
- Contribute to “My Ledger” section on Ledger Live application where users can update their devices’ firmware and install applications.
- Collaborate closely with other engineering teams like the Firmware team as well as your Product team.
- Help our QA team to automate even more our testing approaches.
- 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.
