Hardhat Jobs

I’m ready to move our hybrid DeFi infrastructure from concept to production and need a senior architect who can own the full cross-chain routing stack end-to-end. The core networks in scope are Base (EVM), Solana (SVM) and Sui (Move). On top of that, the platform must expose ERC-4337 account-abstraction rails so we can offer completely gas-free user flows. Key functional pillars • Biometric onboarding through WebAuthn so retail users glide straight from KYC into non-custodial wallets. • True gasless execution driven by ERC-4337 paymaster flows. • Hardware middleware automation via CEN/XFS drivers to let ATMs, kiosks and embedded banking devices push transactions directly into our rails. I already run an AI-native development environment (Cursor, Copilot, GPT-...

We are seeking an experienced Smart Contract Engineer to support the continued development of a Web3 developer reputation platform. The platform is currently under active development and has not yet been deployed publicly. It is designed to create verifiable developer profiles using technical contributions, wallet activity, smart contract deployments, project history, attestations, and other professional evidence. The selected engineer will review the existing smart contract architecture, identify security and design improvements, and contribute to the development of reliable on-chain reputation features. Key Responsibilities Develop and maintain contracts for developer profiles, attestations, credentials, reputation records, and verification workflows. Implement secure minting, owner...