Contact person: Blockchain Engineers to build an NFT marketplace

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Location: Stockholm, Sweden

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"We are seeking a highly experienced Web3/Blockchain Engineer to develop and maintain the smart contract and backend infrastructure for ScaleIn. This role involves designing upgradeable, gas-efficient contracts, implementing trustless marketplace mechanics, and seamlessly integrating on-chain logic with APIs, storage solutions, and front-end systems. The position requires strong hands-on expertise in Solidity, production-level backend development with TypeScript/Node.js or Go, and practical experience with L2 rollups, bridging, and wallet integrations." (client-provided description)