Blockchain Engineer (Smart Contract)

Responsibilities

• Design and implement blockchain solutions for scalability and privacy.
• Design, develop, and deploy smart contracts using Solidity on Ethereum and other EVM-compatible blockchains.
• Write efficient and secure on-chain code to support various decentralized finance (DeFi) protocols and applications.
• Collaborate closely with the product and cryptography teams to build scalable solutions that integrate with our ZK-based blockchain infrastructure.
• Optimize gas usage and ensure performance efficiency of smart contracts.
• Conduct rigorous testing and audits of smart contracts to ensure robustness and security.
• Participate in peer reviews, code audits, and architecture discussions to enhance smart contract design.

Qualifications

• 3+ years of blockchain development experience, including smart contract development in Solidity, Rust, or similar languages.
• Proven experience in developing and deploying smart contracts on Ethereum or other EVM-compatible blockchains.
• Proficiency in smart contract security best practices and familiarity with common vulnerabilities like reentrancy and overflow attacks.
• Experience with DeFi protocols, decentralized exchanges (DEXs), staking, governance, and lending contracts.
• Familiarity with smart contract testing frameworks such as Truffle, Hardhat, or Brownie.
• Knowledge of tools like OpenZeppelin, Chainlink oracles, and Subgraph for building decentralized applications.
• Strong problem-solving skills and attention to detail.
• Strong experience with blockchain ecosystems, including Ethereum, Solana, and Layer 2 solutions like zk-rollups.
• Familiarity with DeFi protocols, decentralized exchanges, and on-chain governance is a plus.