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项目编号：【44879】 We’re currently building a game platform using NodeJS, and we’re looking for experienced Chinese developers with blockchain or web3 backgrounds to join our team Requirements - 7+ years of professional software engineering experience - Proficient in TypeScript/JavaScript, Node.js, and modern backend frameworks - 3+ years of blockchain development experience, including Solidity, Rust, and smart contract development - Proven leadership experience at CTO or senior, lead level - English : B1 + About US Dev.Pro is a US-based blockchain and software development company dedicated to helping technology innovators grow. Since 2011, we’ve partnered with clients to build high‑quality platforms across blockchain, fintech, gaming, and healthcare, industries where reliability and innovation go hand in hand. Our global team brings together engineers, creators, and problem‑solvers who share a passion for building meaningful technology. We focus on transparency, open communication, and a collaborative mindset that makes every partnership feel like a true extension of your team. Whether developing cutting‑edge blockchain solutions or scaling complex software systems, we combine technical excellence with a human touch to deliver real impact. Role Overview We are looking for an experienced Senior Web3 Engineer to design and guide the development of scalable, secure, and high‑performance systems that support our business goals. The role involves contributing to product design, building core infrastructure, and driving the platform’s long‑term technical growth Responsibilities Web3 and Backend Engineering: Design, develop, and maintain smart contracts (ERC-20, ERC-721, ERC-1155, and custom protocols) Build secure and scalable Web3 backend services (wallet integration, asset management, transaction processes, etc.) Design and optimize blockchain infrastructure (Indexers, Relayers, event listeners, on-chain/off-chain synchronization) Integrate blockchain interactions into gameplay and user-generated content systems Full-Stack Platform Development: Participate in the front-end and back-end development and maintenance of core platform functions Build real-time services (WebSockets, multi-player synchronization, matchmaking system, social features) Collaborate with game engineers to seamlessly integrate game logic with platform services Develop management backends, monitoring tools, and internal operating systems Build a robust testing system and monitor system performance, resolving scalability issues Requirements 7+ years of professional software engineering experience Proficient in TypeScript/JavaScript, Node.js, and modern backend frameworks Familiar with EVM-compatible chains, gas optimization, and contract upgrade patterns Experience using Web3 libraries (ethers.js, viem, web3.js). • Understanding of distributed systems, API design, and cloud infrastructure Experience with real-time systems (WebSockets, event-driven architecture) is preferred Ability to work independently and efficiently in remote environments and adapt to asynchronous collaboration Product-oriented mindset and a passion for innovation in games or Web3

项目编号：【44845】 We’re building a game platform using NodeJS, and we’re looking for experienced Chinese developers with blockchain or web3 background. Requirements - 7+ years of professional software engineering experience - Proficient in TypeScript/JavaScript, Node.js, and modern backend frameworks - 3+ years of blockchain development experience, including Solidity, Rust, and smart contract development - Proven leadership experience at CTO or senior, lead level - English : B1 +