Full-Stack Engineer

🕒 March 18

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Yei Finance

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2024

₿ Crypto

💳 Fintech

💰 $2M Seed on 2025-01

Crypto • Fintech

Yei Finance is a multichain decentralized finance (DeFi) platform that enables users to lend, trade, bridge, and provide liquidity across multiple blockchains. The product suite includes pre-deposit vaults for one-click cross-chain deposits and automated yield strategies, a lending market (YeiLend) offering supply/borrow markets, and a decentralized exchange (YeiSwap) that combines swap fees, lending interest, and rewards to maximize yields. The platform emphasizes cross-chain compatibility (Sei, Arbitrum, Ethereum, HyperEVM, etc. ), passive APY rewards, and a native rewards scheme (Clovis points).

📋 Description

• Develop and maintain DeFi web applications using Next.js, React, and TypeScript • Implement Web3 integrations with Wagmi v2, RainbowKit, and wallet connection flows • Build and optimize backend APIs and services in TypeScript (Node.js) and Python • Write and maintain Subgraphs (The Graph) to index on-chain data for frontend consumption • Design responsive, performant UIs that handle real-time blockchain data • Build data collection and analytics pipelines (event tracking, dashboards, and data QA) to support marketing and growth data requests • Collaborate with protocol engineers to surface contract interactions through clean UX

🎯 Requirements

• 3+ years of frontend development with TypeScript, React, and Next.js • Experience with Web3 libraries: Wagmi, Viem, Ethers.js, or similar • Proficiency in server state management (TanStack Query) and modern React patterns • Backend development experience with Node.js/Express and Go or Python • Familiarity with GraphQL and The Graph (Subgraph development) • Understanding of DeFi concepts: lending, AMMs, liquidity provision

🏖️ Benefits

• Competitive salary and token allocation • Fully remote setup with autonomy and flexible hours • Play a direct role in building 0->1 products