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Blockchain Developer, Smart Contract Engineer (US, EU only)

Джерело:
djinni.co
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Що робити

  • Design, build, and maintain smart contracts for DeFi and blockchain applications.
  • Write secure, clean, gas-efficient, and maintainable Solidity code.
  • Develop and maintain automated tests using Foundry, Hardhat, Anchor, or similar frameworks.
  • Review smart contracts for security vulnerabilities, bugs, edge cases, and protocol-level risks.
  • Analyse and mitigate risks related to flash loans, oracle manipulation, MEV, governance attacks, and other DeFi threat vectors.

Що очікуємо

  • Strong experience with Solidity and EVM-based smart contracts.
  • Hands-on experience with Foundry and/or Hardhat.
  • Good understanding of Ethereum, gas optimisation, storage layout, events, and upgradeable contract patterns.
  • Knowledge of DeFi concepts, including token standards, staking, lending, AMMs, bridges, vaults, and governance.
  • Ability to write secure, reliable, and maintainable smart contract code.

Що пропонуємо

  • Experience with Rust, TypeScript, Solana, Anchor, NEAR, or other blockchain ecosystems.
  • Previous experience building or auditing DeFi protocols.
  • Knowledge of fuzz testing, formal verification, symbolic execution, or invariant testing.
  • Experience with Ethereum, Arbitrum, Base, Optimism, Solana, NEAR, or similar networks.
  • Experience with AMMs, lending protocols, bridges, staking systems, vaults, or governance mechanisms.

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