CapaCloud is seeking a Blockchain / Smart Contract Engineer to build and secure the decentralized coordination layer powering our GPU compute network.You will design smart contracts, payment systems, staking mechanisms, node reward systems, and blockchain integrations that enable trustless compute infrastructure.This role is ideal for engineers passionate about decentralized systems, cryptography, and Web3 infrastructure. Key ResponsibilitiesDesign and develop secure smart contractsBuild staking and node incentive systemsImplement decentralized payment infrastructureIntegrate wallet and blockchain functionalityDevelop on-chain verification mechanismsCollaborate with infrastructure engineers on node coordinationConduct testing, auditing, and security reviewsOptimize gas efficiency and contract performanceBuild APIs and backend integrations for blockchain systemsStay updated on emerging blockchain technologies Required Skills & ExperienceStrong experience with Solidity, Rust, or smart contract developmentExperience with Ethereum, Solana, or EVM-compatible ecosystemsUnderstanding of cryptography and blockchain fundamentalsExperience with Web3 frameworks and toolingFamiliarity with wallet integrations and token systemsExperience writing secure and tested smart contractsStrong backend engineering skillsKnowledge of blockchain security best practicesExperience with Git and collaborative development workflows Nice To HaveExperience with decentralized infrastructure platformsExperience designing token incentive systemsSmart contract auditing experienceLayer 2 or cross-chain experienceExperience building DeFi or infrastructure protocolsOpen-source contributions in Web3 What Success Looks LikeSecure and scalable smart contract systemsReliable node rewards and staking mechanismsLow-friction wallet and payment integrationsSecure decentralized coordination systemsMinimal vulnerabilities and strong audit readiness Employment TypeFull-timeRemote