Blockchain Web3 Engineer

Blockchain Web3 Engineer

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