Senior Smart Contract Engineer (Web3)

TL;DR

Senior Smart Contract Engineer (Web3): Designing, developing, and deploying smart contracts on EVM-compatible blockchains with an accent on comprehensive testing, audit participation, and technical guidance. Focus on integrating smart contracts with web/mobile applications and staying updated with industry trends.

Location: Remote from the UK or Paris. The company does not sponsor visas for individuals without work authorization in these locations.

Company

hirify.global is a leading enterprise-grade rewards platform enabling institutional customers to stake assets and integrate staking & DeFi functionality into their offerings.

What you will do

• Design, develop, and deploy smart contracts on EVM-compatible blockchains.
• Write comprehensive documentation and in-depth test suites using Foundry's best practices.
• Participate in audits related to smart contract codebases and product governance.
• Provide technical guidance and mentorship to junior developers.
• Collaborate with frontend and backend developers to integrate smart contracts.
• Stay updated with the latest industry trends in blockchain and smart contract development.

Requirements

• 6+ years of experience with smart contract development tools (Foundry, Truffle, Hardhat, Remix).
• Proficient in Solidity and strong understanding of the Ethereum Virtual Machine (EVM).
• Previous work with decentralized finance (DeFi) projects.
• Strong understanding of blockchain technology and decentralized architectures.
• Knowledge of smart contract security practices and common vulnerabilities.
• Fluent (written and spoken) in English.

Nice to have

• Experience with Layer 2 scaling solutions (Optimism, Arbitrum, Base, Zksync).
• Contributions to open-source projects in the blockchain space.
• Smart contract related tooling skills for scripting purposes.

Culture & Benefits

• A fast-paced, bureaucracy-free work environment.
• Equity share options in the business.
• Competitive salary and flexible holiday.
• Flexible remote working and choice of IT equipment.
• Internet connection allowance (€50/month).
• Significant personal development budget (books, training) and overseas tech conferences budget.

Hiring process

• Recruiter Interview (45 min)
• Chat with Manager (30min)
• Technical Interview (60 min)
• Core Values Interview (45 min)
• Founders Interview (30 min)