Smart Contract Engineering Lead

SQD logo

SQD

Worldwide
Full-TimeWorldwide

Job Description

Smart Contract Lead About SQD.AI

SQD offers a suite of development tools and products built on top of a state-of-the-art decentralised data lake. Developers can use custom indexers and data pipelines to serve data to applications across the Decentralised Finance, Metaverse, Social, and NFT verticals.

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.

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.

Responsibilities

  • 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.

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.