Wallet Engineer

This is a fully remote position, open to applicants in United States.

📋 Description

• Integrate prominent Web3 wallets (such as MetaMask, WalletConnect, Coinbase Wallet) across both web and mobile platforms.

• Design and develop secure transaction signing pipelines (EIP-1559, EIP-712, typed data, permit flows).

• Create resilient wallet connection systems featuring session persistence, reconnection capabilities, and multi-account management.

• Implement transaction construction logic, including calldata creation, batching, and multi-step execution processes.

• Develop gas estimation, fee optimization, and fallback strategies across various networks.

• Address edge cases such as nonce management, transaction replacement (speed up/cancel), and reorganization scenarios.

• Collaborate with backend teams on routing, simulation, and execution layers.

• Partner closely with frontend teams to ensure an effortless user experience for wallet interactions and transaction confirmations.

• Maintain high security standards in key management, signing processes, and user interaction surfaces.

⛳️ Requirements

• Strong expertise in JavaScript / TypeScript.

• Practical experience with Web3 libraries (ethers.js, viem, web3.js).

• Comprehensive knowledge of the EVM transaction lifecycle and structure.

• Experience in implementing wallet connections and signing processes in a production environment.

• Familiarity with RPC providers, node inconsistencies, and issues related to network reliability.

• Experience in building or contributing to Web3 applications (DEX, wallet, aggregator, etc.).

• Nice to Have

• Experience with multi-chain ecosystems (Ethereum, Arbitrum, BSC, Polygon, etc.).

• Understanding of account abstraction (ERC-4337).

• Experience with smart contract interaction patterns (multicall, proxy, upgradeable contracts).

• Knowledge of MEV, slippage, and transaction execution risks.

• Experience working on DeFi protocols or trading-related products.

🏝️ Benefits

• Competitive salary and performance-based incentives.

• Flexible work hours and remote working options.

• Opportunities for professional development and advancement.

• Collaborative and inclusive work environment.

• Access to the latest tools and technologies in the Web3 space.