Smart Contract Engineering Lead - Remote

Overview

We are looking for a skilled senior smart contract engineer to join the network team and help actualise our long term vision of being the world's first emergent database network.

In Short

• Lead the design, development, and optimisation of Solidity & Rust-based smart contracts for SQD’s blockchain infrastructure.
• Conduct security audits and enforce best practices for contract security and performance.
• Collaborate with the network team to integrate smart contracts into the broader system.
• Build and maintain testing frameworks (unit, integration, fuzz testing) to ensure contract reliability.
• Stay ahead of EVM upgrades, Solidity advancements, and emerging blockchain standards.

Requirements

• 3+ years of experience in smart contract development, with deep expertise in Ethereum, EVM, and smart contract security.
• Proficiency in smart contract development tools (Hardhat, Foundry, Truffle).
• Strong understanding of gas optimization, storage management, and Solidity design patterns.
• Experience working with DeFi protocols, cross-chain solutions, and on-chain data structures.
• Exposure to Rust smart contract development (Substrate/ Solana) or strong interest in learning.
• Ability to conduct security audits, identify vulnerabilities, and implement fixes.
• Experience in high-growth startups or agile development environments.

Benefits

• Competitive salary & leading liquid token comp in a rapidly growing Web3 company.
• Opportunity to work on cutting-edge blockchain technologies with a world-class team.
• Remote-first work environment with flexible hours.
• A fast-moving, high-impact startup culture where your contributions directly shape the company’s future.