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Integral · Remote - Asia, Europe, North America

Smart Contract Engineer

  • Posted
  • Full-time
  • $120k – $150k
  • Fully remote

This listing was posted more than 30 days ago and may have been filled. See the latest jobs.

Job description

About Us


Integral is the DEX built for large orders. With TWAP algorithm and 0 price impact experience, Integral aims to bring large order volume from centralized exchanges to DeFi.


Integral is founded by a team of mathematicians, engineers, growth hackers working with the Ethereum and DeFi OG community. Our advisors includes Rob Leshner (Founder of Compound), Tarun Chitra (Founder of Gauntlet), Michael & Vance (Framework Ventures) and Olaf Carlson-Wee (Founder of Polychain Capital). In April, we closed our Public Seed Round and received $32mm investment.


Integral has always been building for the Year 2040. We believe that in the Year 2040, every person in the world will have a crypto wallet that contains at least 20% of their personal wealth. Integral will use mathematics and code to lay down bricks and mortar for this future financial world.


The Role



  • Strong foundational understanding of Ethereum mechanics

    • Mempool

    • Transactions and Events

    • Gas



  • Solidity experience

    • Experience writing and deploying Solidity code to Ganache, Kovan, and Mainnet

    • Ability to write full test coverage using Waffle, Mocha, and Chai

    • Knowledge of common security vulnerabilities and infamous hacks

    • Knowledge of popular design patterns and mechanics used in top DeFi projects



  • JavaScript (web3 / ethers) + NodeJS / ReactJS Full-Stack Experience

    • Ability to create scrips for deploying and maintaining contracts

    • Ability to pull on-chain data and send transactions

    • Ability to create a working front-end to interface with smart contract code



  • Experience integrating with Ethereum service providers

    • Etherscan / Alchemy

    • TheGraph