Smart Contract Engineer

Summary

Join Aragon, a team of 24 building tools for Onchain Organizations, and become our Smart Contract Developer. You will design and build custom integrations for clients using the Aragon OSx protocol. Lead projects from inception to live maintenance, ensuring secure and high-quality delivery. Collaborate with product and engineering teams, deepening everyone's web3 knowledge. Contribute to solutions using best practices across the Ethereum ecosystem and DeFi space. This role requires expertise in Solidity, DeFi, and secure smart contract development, along with experience in a fast-paced startup environment. You'll work remotely with quarterly in-person offsites in Europe.

Requirements

• 3+ years delivering software to real users, ideally in a fast-paced startup environment
• Expert-level Solidity experience, including the design and optimization of advanced smart contract systems
• Strong foundation in smart contract security, with a history of successful audits and knowledge of common vulnerabilities
• Strong working proficiency in foundry and hardhat
• Familiarity with or contributions to Ethereum EIPs
• Significant technical contributions to DeFi protocols with at least 8 figures in TVL
• Fluency in typescript, and popular libraries such as Ethers (v5, v6) and viem
• Experience working across multiple EVM networks - sidechains, OP rollups and Zk rollups
• Proven contributions to open-source projects within blockchain, cryptography, decentralized systems, or the broader web3 ecosystem
• Understanding of how to work in an agile environment, using git, and tools like Linear and Github
• Passionate about the possibilities of decentralized autonomous organizations and the impacts they may have on how humans work together to solve problems
• Excellent English and technical communication - both written and oral
• You are able to attend quarterly offsites - usually located in or around Europe - to work in person with your team

Responsibilities

• Transform client needs into technical designs and production-ready code, always considering the user
• Lead projects from inception to live maintenance, emphasizing secure and high-quality delivery at every phase
• Exhibit deep expertise in Solidity, having not just deployed smart contracts but designed intricate contract architectures addressing real-world business challenges
• Have an understanding of Decentralized Finance (DeFi) and the workings of major DeFi protocols
• Foster enthusiastic collaboration with other product and engineering squads, further deepening everyone’s knowledge of the ever-expanding technologies of web3
• Engage in daily stand-ups, knowing when your expertise is critical, and step up to proactively solve your teammate’s challenges
• Build solutions with a strong grasp of software architecture best practices and common standards across the Ethereum ecosystem and in the Decentralized Finance space

Preferred Qualifications

• Experience or certification in formal verification of smart contracts
• Knowledge or hands on experience working with other parts of our stack, like NextJS, Turborepo, Envio, IPFS
• Interest in the use of LLMs to enhance developer productivity
• Working knowledge of advanced security tools such as HEVM, Slither, Echidna, foundry Invariant tests
• Demonstrated experience using Vyper, Go or Rust
• Proven mentoring skills, fostering a culture of growth and learning within teams
• Power user of DeFi and/or Web3 applications

Benefits

• Remote work, flexible hours
• Personal development budget