Senior Solidity Engineer – On-Chain Escrow & Verifier

Saifuro LLC; United States; Remote; USD 170,000 - 220,000; Full time

Benefits offered by this job

Equity 0.30%

Health insurance

Vacation 25 days + holidays

Parental leave 14 weeks

Laptop provided

Learning budget $1500

Job summary

Saifuro LLC is hiring a Solidity developer to own on-chain escrow and verification systems. You will build and maintain contracts that hold funds securely, verify signatures on-chain, and prepare for audits and releases with deployment scripts and recovery playbooks.

The role includes expanding to additional EVM chains and milestones, with a strong emphasis on security, reliability, and scalable architecture at pace.

Qualifications

• Shipped Solidity to mainnet.
• Experience with on-chain contracts and verifiable signatures.
• Strong understanding of EVM and related tools.

Responsibilities

• Own the escrow contract system on Base: design, code and tests.
• Own the verifier path onchain: signature checks, audience and expiry.
• Coordinate audits and releases with external auditors and deployment scripts.

Skills

Solidity

Smart contract

On-chain verification

Mainnet deployment

Job description

Saifuro LLC is hiring a Solidity developer to own on-chain escrow and verification systems. You will build and maintain contracts that hold funds securely, verify signatures on-chain, and prepare for audits and releases with deployment scripts and recovery playbooks.

The role includes expanding to additional EVM chains and milestones, with a strong emphasis on security, reliability, and scalable architecture at pace.