Blockchain DeveloperAllHeart Web • Chandigarh, Chandigarh, India
Blockchain Developer
AllHeart Web • Chandigarh, Chandigarh, India
4 days ago
Job description2+ years of frontend development (JS / TS, React) Hands-on experience with Web3 libraries (ethers.js / Web3.js) and wallet integrations Solid understanding of blockchain, EVM-chains, smart-contracts, transactions, gas / nonce, network / chain handling Comfortable translating UI / UX designs into production-ready, responsive frontend Experience with state-management, component-based UI, clean & maintainable code, version control & collaboration Familiarity with smart-contract logic (Solidity) or close coordination with smart-contract developers Multi-chain, custom-RPC, hardware-wallet integration experience Experience building wallet SDKs / provider APIs for dApp integration Knowledge of token / NFT standards, indexing, asset management in UI Understanding of Web3 / wallet security best practices, event handling, error / edge-case flows
Job Title : Web3 / Blockchain UI & Wallet-Integration Developer
Experience : 2+ years frontend + Web3 / blockchain / wallet integration experience
Role Overview :
We are seeking a talented Web3 UI Developer with strong wallet-integration and blockchain experience to build wallet-enabled dApps / front-ends / SDKs. You will integrate multiple wallet providers, support multi-chain networks, implement signing flows, manage blockchain interactions (transactions, balance, token / NFT indexing), and build secure, user-friendly wallet UI and wallet SDKs for our platform / partners / users.
Key Responsibilities :
- Build responsive, high-performance frontend UI using React + TypeScript
- Integrate wallet providers (MetaMask, WalletConnect v2, Coinbase Wallet, Trust Wallet, OKX Wallet, hardware wallets, other popular wallets / SDKs) and manage wallet connection, accounts, chain / network switching, wallet events
- Use Web3 libraries (ethers.js, Web3.js or similar) to interact with smart contracts, fetch on-chain data, manage transaction flow, signing, confirmations & error handling
- Support multi-chain / custom-RPC networks, custom chain configuration (icons / explorers), multi-asset (tokens / NFTs), indexing balances & transaction history
- Build or integrate wallet SDK / provider API for dApp integration (eth_requestAccounts, sendTransaction, signTypedData, event handling, etc.)
- Collaborate with backend, smart-contract and product teams to ensure seamless integration of on-chain / off-chain logic & good UX
- Write clean, modular, well-tested code; follow version control, code reviews, maintain UI quality & responsiveness
Requirements :
Preferred / Nice-to-Have :
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Blockchain Developer • Chandigarh, Chandigarh, India
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