Remote Contract Solidity Engineer – DeFi Money Markets

CoreLedger Innovations; United States; Remote; USD 120,000 - 260,000; Full time

Job summary

Aether Protocol in the United States is seeking a Solidity Engineer to design and implement core money-market contracts for the protocol. You will own Solidity delivery for the EVM money-market reference, including market registry logic, collateral and borrow accounting, rate models, and oracle interfaces.

Responsibilities include implementing hub, token, interest-rate, and governance contracts; encoding invariants; and writing Foundry tests and security-facing documentation for audits.

Qualifications

• Strong Solidity and EVM experience shipping or hardening DeFi protocols.
• Deep familiarity with money markets, collateral factors, oracles, and liquidation mechanics.
• Comfort with Foundry testing, gas-aware design, and audit handoff.
• Ability to reason about economic and security trade-offs before writing code.
• Clear written communication for design notes and review comments.

Responsibilities

• Implement and refine Hub, AeToken, interest-rate, liquidation, and governance-related contracts
• Encode protocol invariants around borrow caps, account health, and economically sound liquidations
• Write Foundry-oriented unit, fuzz, and invariant tests for adversarial and edge-case behavior
• Prepare clean interfaces, upgrade/authority patterns, and documentation for security review
• Identify and reject unsafe patterns from the reference MVP before they reach production paths

Skills

Solidity

EVM

DeFi protocols

Security design

Foundry testing

Tools

Foundry

Job description

Aether Protocol in the United States is seeking a Solidity Engineer to design and implement core money-market contracts for the protocol. You will own Solidity delivery for the EVM money-market reference, including market registry logic, collateral and borrow accounting, rate models, and oracle interfaces.

Responsibilities include implementing hub, token, interest-rate, and governance contracts; encoding invariants; and writing Foundry tests and security-facing documentation for audits.