Senior Blockchain/Web3 Engineer
9.0/10
Rather Labs
$180,000 – $180,000 USD
Remote
senior
3 days ago
cryptodefiweb3Soliditysmart contractsEVMJavaScriptTypeScriptPythonNode.jsWeb3DeFi
AI Summary
The vacancy is strong in clarity and requirements but lacks comprehensive company information.
Check Match — Just drop your CV
See your fit for Senior Blockchain/Web3 Engineer in seconds.
Description
Duties/Responsibilities
- •Design, develop, test, and deploy smart contracts for Web3 products
- •Build blockchain features for DeFi platforms, wallets, GameFi, and ecosystem tools
- •Write secure and gas-efficient Solidity code
- •Create unit tests, integration tests, and deployment scripts
- •Integrate smart contracts with backend services, frontend apps, wallets, APIs, and blockchain infrastructure
- •Review existing smart contract code and suggest improvements
- •Support audits, security reviews, and vulnerability remediation
- •Monitor deployed contracts and help resolve production issues
- •Research new blockchain protocols, DeFi mechanics, and EVM improvements
- •Contribute to technical documentation and best practices
Requirements
Required Skills
- •3+ years of software development experience
- •1–2+ years of experience in blockchain, Web3, crypto, or DeFi projects
- •Strong experience with Solidity and smart contract development in the EVM ecosystem
- •Good understanding of Ethereum / EVM architecture, gas optimization, token standards, and smart contract security
- •Experience with Web3 tools such as Hardhat, Foundry, Remix, MetaMask, Ethers.js, Web3.js, Viem
- •Experience deploying and maintaining smart contracts on testnet and mainnet
- •Knowledge of DeFi: AMMs, staking, lending, bridges, oracles, stablecoins, and liquidity pools
- •Backend integration experience: APIs, indexers, event listeners, wallets, or transaction services
- •Understanding of common blockchain security risks
- •Experience with JavaScript, TypeScript, Python, Node.js, or similar backend technologies
- •Familiarity with Git, CI/CD, testing frameworks, code reviews, and documentation
Loading similar jobs...