Senior Protocol Engineer

Senior Protocol Engineer

Role summary

Owns significant workstreams within the smart-contract release train (TD Coin, Settlement Orchestrator, Fiat Relay, Fusion Root, Orchestrator Factory) and contributes to maintaining the Fusion-specific upstream diff against Optimism, guiding Protocol Engineers through implementation.

Key responsibilities

- Design and build components within the smart-contract release train. - Contribute to maintaining and testing the Fusion-specific upstream diff against Optimism. - Guide Protocol Engineers through implementation and review their work. - Carry the on-call escalation rotation and join incident bridges for protocol-behavior issues. - Support external audit preparation and remediation for assigned components.

Required experience & qualifications

- 5+ years in blockchain/DLT, smart-contract engineering or backend distributed systems. - Strong Solidity/EVM (or equivalent) and integration skills. - Experience with rollup/upstream-diff maintenance (Optimism stack or comparable) an advantage. - Comfort carrying production on-call responsibility.

Success measures

- On-spec, on-time delivery within the release train. - Post-release defect and rework rate. - On-call response within target.