Smart Contract Developer

Posted 2 days agoViewed
SerbiaFull-TimeDeFi, Web3
Company:CreateIT
Location:Serbia
Languages:English
Seniority level:Senior, 3+ years
Experience:3+ years
Skills:
Backend DevelopmentPythonBlockchainEthereumTypeScript
Requirements:
3+ years of professional EVM smart contract development Deep understanding of EVM architecture, memory model, and gas mechanics Proven production experience with TVL in deployed contracts Strong knowledge of upgradeable contracts, proxy patterns, and multisig setups Hands-on experience with Foundry and Hardhat Solid understanding of DeFi protocols, especially lending Experience with oracles (Chainlink, Pyth) Strong background in smart contract security and audit readiness Experience with Account Abstraction and gasless transactions Experience with bridges and cross-chain messaging (CCIP is a plus) Backend experience in Python and/or TypeScript Startup mindset: ownership, autonomy, and ability to move fast
Responsibilities:
Design, implement, and deploy EVM smart contracts with production TVL Optimize contracts for gas efficiency, storage layout, and execution costs Implement upgradeable architectures using proxy patterns and multisig governance Integrate DeFi protocols (lending, DEXes, staking), ideally including Aave Work with oracles (Chainlink, Pyth) and understand liquidation and collateral mechanics Implement and maintain security best practices Build and test contracts using Foundry and Hardhat Collaborate with backend teams (Python / TypeScript) for on-chain off-chain integrations Implement gasless flows and Account Abstraction Work with cross-chain solutions and bridges (including CCIP and similar protocols) Participate in audits, fix vulnerabilities, and improve protocol resilience
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