| Job Position | Company | Posted | Location | Salary | Tags |
|---|---|---|---|---|---|
SwapRail | Remote |
| |||
PURVIEW | San Francisco, CA, United States | $98k - $100k | |||
Kraken | London, United Kingdom | $90k - $150k | |||
MoonPay | Remote | $84k - $90k | |||
| Learn job-ready web3 skills on your schedule with 1-on-1 support & get a job, or your money back. | | by Metana Bootcamp Info | |||
Ondo Finance | United States | $87k - $97k | |||
Millennium Software and Staffing Inc | Charlotte, NC, United States | $105k - $105k | |||
InfStones | Texas | $84k - $110k | |||
Veda | Wilmington, DE, United States | $76k - $180k | |||
Bcbgroup | Remote | $122k - $141k | |||
Bcbgroup | Remote | $59k - $80k | |||
Okx | Remote | $147k - $156k | |||
Chainalysis | United States | $179k - $250k | |||
Bloxstaking | Remote | $105k - $150k | |||
Bitmex | Remote | $112k - $115k | |||
Shakepay | Montreal, Canada | $150k - $190k |
## Responsibilities
- Integrate major Web3 wallets (e.g., MetaMask, WalletConnect, Coinbase Wallet) across web and mobile environments
- Design and implement secure transaction signing pipelines (EIP-1559, EIP-712, typed data, permit flows)
- Build robust wallet connection systems, including session persistence, reconnection, and multi-account handling
- Implement transaction building logic, including calldata construction, batching, and multi-step execution flows
- Develop gas estimation, fee optimization, and fallback strategies across different networks
- Handle edge cases such as nonce management, transaction replacement (speed up / cancel), and re-org scenarios
- Collaborate with backend teams on routing, simulation, and execution layers
- Work closely with frontend teams to ensure seamless UX for wallet interactions and transaction confirmations
- Ensure high security standards in key handling, signing flows, and user interaction surfaces
## Requirements
- Strong proficiency in JavaScript / TypeScript
- Hands-on experience with Web3 libraries (ethers.js, viem, web3.js)
- Deep understanding of EVM transaction lifecycle and structure
- Experience implementing wallet connection and signing flows in production
- Familiarity with RPC providers, node inconsistencies, and network reliability issues
- Experience building or contributing to Web3 applications (DEX, wallet, aggregator, etc.)
## Nice to Have
- Experience with multi-chain environments (Ethereum, Arbitrum, BSC, Polygon, etc.)
- Familiarity with account abstraction (ERC-4337)
- Experience with smart contract interaction patterns (multicall, proxy, upgradeable contracts)
- Understanding of MEV, slippage, and transaction execution risks
- Experience working on DeFi protocols or trading-related products
What does a Node.js developer in web3 do?
A Node developer in web3 is a software developer who specializes in creating and maintaining applications built on the Node.js platform and using web3 technology
Web3 is a term that refers to the collection of technologies and protocols that make up the decentralized web, also known as the Internet of value
This includes blockchain technology, peer-to-peer networking, and other technologies that enable users to exchange value and data in a decentralized manner
As a Node developer in web3, some of the responsibilities might include:
- Developing and maintaining web3 applications using Node.js
- Writing and testing code for smart contracts on blockchain platforms
- Implementing security measures to protect the integrity and confidentiality of data on the decentralized web
- Collaborating with other team members to design and implement web3 solutions
- Troubleshooting and debugging issues with web3 applications
- Staying up-to-date with the latest developments and best practices in the web3 ecosystem.