Techaxis, Inc

Blockchain Web3 Engineer

Techaxis, Inc

29 days ago

## Job Description ## Must Have Technical/Functional Skills ### Core Web3 / Blockchain Skills (Must-Have) * Strong understanding of blockchain fundamentals: * Transactions, blocks, gas/fees, wallets/keys, RPC, finality, consensus basics. * Hands-on experience with smart contracts: * 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. When applying, mention the word **CANDYSHOP** to show you read the job post completely.