Frontend Developer (Web3 / dApp)
Role in brief
Lagrange Labs seeks a Frontend Developer to create user-friendly decentralized applications (dApps) with a focus on blockchain integration. Candidates should have strong React and TypeScript skills and experience in Web3 development.
About the role
As a Frontend Developer at Lagrange Labs, you will focus on building decentralized applications that prioritize user experience and blockchain integration. The role involves developing client-side interfaces and managing complex interactions with various blockchain networks using tools like Viem, Wagmi, and Ethers.js.
You will work within a distributed international team, ensuring high-performance, adaptive interfaces while optimizing security against Web3-specific vulnerabilities. Success in this role means delivering seamless wallet interactions and maintaining real-time synchronization with blockchain data.
The salary for this role ranges from $4,500 to $6,500 per month, reflecting the candidate's experience and expertise.
Skills that matter here
- React: This role requires deep knowledge of React to create high-performance user interfaces.
- TypeScript: Strict typing with TypeScript is essential for maintaining code quality in the development process.
- Web3: Experience in Web3 is crucial for developing interfaces that interact with blockchain networks.
- dApp: The role focuses on building decentralized applications that enhance user experience.
- Tailwind CSS: Familiarity with Tailwind CSS is needed to create modern and responsive UI designs.
- Ethers.js: Knowledge of Ethers.js is required for integrating the frontend with blockchain networks.
Who this role suits
- A developer with at least three years of commercial experience in frontend development.
- Someone who thrives in a remote work environment and can effectively collaborate in a distributed team.
- A candidate with a strong understanding of Web3 principles and a focus on user-centric design.
- An individual who is proactive about optimizing security in decentralized applications.
From the employer
- Develop the client side of decentralized applications (dApps) and interfaces for ZK co-processors.
- Integrate frontend with blockchain networks (Ethereum, L2, Modular stacks) using Viem, Wagmi, or Ethers.js.
- Implement user-friendly UX for wallet interactions (Metamask, WalletConnect, Coinbase Wallet).
- Manage complex asynchronous transaction states and synchronize data with the blockchain in real-time.
- Create high-performance and adaptive interfaces using React/Next.js.
- Optimize frontend security to prevent Web3-specific attacks (address poisoning, phishing).
- 3+ years of commercial Frontend development experience.
- Deep knowledge of React and TypeScript (strict typing is mandatory).
- Practical experience in developing Web3 interfaces: signing transactions, reading data from smart contracts, working with ABI.
- Understanding of EVM operation principles and transaction lifecycle in blockchain.
- Ability to work with Tailwind CSS or Styled Components for modern UI creation.
- Knowledge of testing tools (Jest, Cypress, or Playwright).
- English at Intermediate+ level (ability to participate in technical calls).
- Remote work.
- Full-time position.
- Work in a distributed international team.
Questions about this role
What is the remote policy?
This position is fully remote, allowing for flexibility in work location.
What is the seniority level for this role?
The role is categorized as middle-level.
How can I apply for this position?
Interested candidates can apply through the Lagrange Labs website.
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