Remote Solidity Engineer: EVM Escrow & Verifier

The Bitcoin Street Journal; United States; Remote; USD 170,000 - 220,000; Full time

Benefits offered by this job

Health premiums cover (US)

Equity 0.30% vesting

Paid vacation 25 days + holidays

14 weeks parental leave

Laptop provided + $1,000 workspace

Learning budget $1,500/year

Job summary

Saifuro is seeking a Solidity developer to own and evolve the on-chain escrow and verifier systems. You will build and test contracts on the Base network, ensuring secure signature verification and robust on-chain logic. You will coordinate external audits before mainnet releases, implement findings, and prepare deployment scripts with recovery runbooks.

The role offers flexible hours and remote work, with a focus on security, audits, and cross-chain expansion in the coming years.

Qualifications

• Shipped Solidity to mainnet.
• Experience with on-chain verification and signature checks.
• Familiarity with security research and audits for smart contracts.

Responsibilities

• Own the escrow contract system on Base; design, code and tests.
• Own the on-chain verifier path; ensure correct signature verification and expiry checks.
• Coordinate external audits prior to mainnet releases; respond to findings and implement fixes.

Skills

Solidity

Mainnet deployment

On-chain verification

Security research

Rust

Solana

ERC-4337

Job description

Saifuro is seeking a Solidity developer to own and evolve the on-chain escrow and verifier systems. You will build and test contracts on the Base network, ensuring secure signature verification and robust on-chain logic. You will coordinate external audits before mainnet releases, implement findings, and prepare deployment scripts with recovery runbooks.

The role offers flexible hours and remote work, with a focus on security, audits, and cross-chain expansion in the coming years.