Job Description
Must Have Technical/Functional Skills
Core Web3 / Blockchain Skills (Must-Have)
• Strong understanding of blockchain fundamentals:
o transactions, blocks, gas/fees, wallets/keys, RPC, finality, consensus basics
• Hands-on experience with smart contracts:
o Solidity (preferred) and development tooling (Hardhat/Foundry/Truffle/Remix)
Experience working with EVM-based chains (Ethereum/Polygon/Arbitrum/Optimism/BSC)
or enterprise chains (Hyperledger Fabric/Corda/Quorum) depending on project
Roles & Responsibilities
• Smart Contract Engineering & Web3 Development
• Design, develop, and maintain smart contracts (Solidity/Vyper or relevant stack) aligned to product and security requirements.
• Build backend/Web3 components for contract interaction:
• Transaction orchestration, signature flows, nonce management, gas strategies
• Web3 SDK integrations
• Develop and manage contract deployment pipelines, including ABI/versioning, migrations, upgrade strategies (proxy patterns), and release coordination.
• Implement secure patterns for contracts:
• Support smart contract testing:
• Node Operations & Infrastructure
• Deploy, configure, and operate blockchain nodes and supporting infrastructure:
• Full nodes/archival nodes, RPC endpoints, validator nodes (as applicable)
• Manage node upgrades, chain configuration changes, and incident response for production networks.
• Implement operational tooling for:
• Node health checks, RPC performance monitoring, log aggregation, and alerting
• Handle blockchain-specific reliability concerns:
• Re-org handling, finality considerations, peer connectivity, RPC failover, rate limiting
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.