Smart Contract Engineer (Solidity / Rust)

Merklio is building a modular settlement layer for institutional staking. We are looking for a Smart Contract Engineer who will own the core vault contracts, liquid staking tokens, and reward distribution mechanisms. Expectations: Design and deploy upgradeable proxy contracts (UUPS) Write high-assurance tests with invariant testing (Foundry) Implement access control (Ownable2Step, roles) Integrate with Chainlink Automation and CCIP Write Natspec docs and deployment scripts Participate in internal security reviews and bug bounties Optimize storage layouts to reduce gas costs by >15% Collaborate with the research team on novel staking mechanisms Nice to have: Experience with LayerZero or Hyperlane Published audit reports or contest wins (Code4rena / Sherlock) Knowledge of ZK-proofs (basic) Chinese language proficiency