ai analyst backend bitcoin blockchain community manager crypto cryptography cto customer support dao data science defi design developer relations devops discord economy designer entry level erc erc 20 evm front end full stack gaming ganache golang hardhat intern java javascript layer 2 marketing mobile moderator nft node non tech open source openzeppelin pay in crypto product manager project manager react refi research ruby rust sales smart contract solana solidity truffle web3 py web3js zero knowledge
| Job Position | Company | Posted | Location | Salary | Tags |
|---|---|---|---|---|---|
Ledger | Grenoble, France | $84k - $100k | |||
Consensys | Remote | $48k - $70k | |||
MetaMask | San Francisco, CA, United States | $48k - $70k | |||
Ledger | France | $84k - $100k | |||
| Learn job-ready web3 skills on your schedule with 1-on-1 support & get a job, or your money back. | | by Metana Bootcamp Info | |||
Ledger | Paris, France | $84k - $100k | |||
marginfi | Remote | $45k - $80k | |||
marginfi | Remote | $45k - $80k | |||
Heera Digital | Austin, TX, United States | $58k - $87k | |||
Braintrust | San Francisco, CA, United States | $59k - $65k | |||
Syndica | Remote | ||||
Togggle | Italy | $50k - $100k | |||
VenturePunk | Los Angeles, CA, United States | $63k - $66k | |||
MoonPay | London, United Kingdom | $72k - $100k | |||
MoonPay | San Francisco, CA, United States | $72k - $100k | |||
01 Exchange | Remote | $29k - $80k |
Ledger
$84k - $100k estimated
This job is closed
Senior Javascript Software Engineer - Ledger Live
Grenoble /
Consumer - Engineering – Live /
Permanent contract / CDI
Apply for this job
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.
Apply for this job
What does a React developer in web3 do?
A React developer in the context of web3 is a developer who is using the React JavaScript library to build user interfaces for decentralized applications (dApps) that run on the Ethereum blockchain
These dApps often use smart contracts to facilitate transactions and other interactions on the Ethereum network
Overall, the role of a React developer in web3 involves using your skills in React development to help build cutting-edge decentralized applications that leverage the power of the Ethereum blockchain
As a React developer in web3, some of your responsibilities might include:
- Integrating the dApp with the Ethereum blockchain. This might involve using tools like web3.js and Ethers.js to connect to the Ethereum network and interact with smart contracts.
- Building the user interface for a dApp using React. This could involve creating components for the various elements of the dApp, such as buttons, forms, and other input elements.
- Implementing features that are specific to decentralized applications, such as handling cryptocurrency transactions and displaying data from the blockchain in a user-friendly way.
- Collaborating with other members of the development team, such as blockchain engineers and designers, to ensure that the dApp functions properly and meets the needs of the end users.