DV Labs ｜ Web3 GamerHub
（一）公司简介 DV Labs （原 Obol Labs ）成立于 2021 年，专注以太坊分布式验证技术与区块链基础设施，全球 30 + 人远程团队，覆盖 15 + 国家，长期服务 Web3 生态与以太坊节点运营商。现招智能合约工程师 / 区块链工程师，项目：Web3 GamerHub （游戏聚合平台），全程远程，全球可投。 https://www.linkedin.com/company/obol-labs/
（二） 2 个职位正在招聘：
1 、Smart Contract Engineer （ Monthly: $5k –$10k/month (Full-time)）
2 、Blockchain Engineer （ Monthly: $4k – $8k/month (Full-time)）
（三）通用要求（必须满足）
3 年 + Web3 / 区块链实战经验
熟悉加密生态、钱包使用
接受加密货币支付
英语 B1–B2 ，可会议沟通
（四）联系方式：TG：@AmberKuo_O 或邮箱 [email protected]
面试流程： 将您的简历投递到我的邮箱，（写明投递职位，简单说明您的工作履历）。2-3 个工作日会回复您，通过技术部门简历筛选，我会联系您先进行线上测试，然后进行 2-3 轮线上面试。
[（ 1 ） Smart Contract Engineer ]
About job 🌐 Company: DV Labs 🕹️ Project: Web3 GamerHub 📅 Timeline: 3 - 4 years 🌍 Location: Fully Remote
Role Summary The Smart Contract Developer at GamerHub will design, implement, and audit the blockchain-based systems that define player ownership, platform tokenomics, and subscription economies for our multi-chain aggregator. You will ensure the security, transparency, and scalability of all on-chain interactions, from NFT-based reward systems to automated subscription logic.
You will collaborate closely with our Backend, Frontend, and Product teams to bridge the gap between our high-performance Node.js services and decentralized protocols. Your work will directly empower millions of players to own their digital legacy and participate in a sustainable, trustless gaming economy.
Responsibilities • Contract Development: Design, develop, and deploy secure smart contracts in Solidity for platform tokens, tiered subscription systems, and NFT reward mechanisms.
• Protocol Integration: Collaborate with frontend and backend teams to integrate on-chain features into the GamerHub dashboard using Ethers.js or Web3.js.
• Economy Design: Contribute to the design of tokenomics systems, including staking pools, "Task-to-Earn" reward logic, and cross-game asset utility.
• Security & Optimization: Perform rigorous unit testing, security audits, and gas optimization for all contracts to ensure cost-efficient and exploit-proof transactions.
• Lifecycle Management: Manage contract versioning, deployments (Hardhat/Foundry) across various EVM-compatible testnets and mainnets (Ethereum, Polygon, etc.), and maintain upgradeable contract patterns (Proxies).
• Monitoring: Maintain live contracts to ensure 100% reliability and proactively identify potential vulnerabilities in the ecosystem.
• Documentation: Create comprehensive documentation for contract architecture and technical logic for both internal teams and external audit partners.
Required Skills & Qualifications
• Solidity Mastery: Deep proficiency in Solidity and a comprehensive understanding of the EVM (Ethereum Virtual Machine).
• Standards Expertise: Extensive experience implementing ERC-20, ERC-721, and ERC-1155 standards.
• Framework Proficiency: Strong background in Hardhat or Foundry for development, testing, and deployment.
• Web3 Integration: Solid experience using Ethers.js or Web3.js for frontend/backend integration.
• Security & Optimization: Proven track record of gas optimization and identifying common vulnerabilities (Reentrancy, Front-running, etc.).
• DeFi/NFT Knowledge: Deep understanding of decentralized finance protocols and the NFT ecosystem.
Preferred Skills
• Multi-Chain/L2: Experience with Layer 2 scaling solutions (Polygon, Arbitrum, Optimism) and cross-chain bridging protocols.
• Advanced Patterns: Knowledge of Solidity design patterns, UUPS/Transparent Proxy upgrades, and multi-signature wallet integrations.
• Non-EVM Literacy: Familiarity with Rust or Anchor for Solana development is a major plus, given GamerHub's multi-chain nature.
• Industry Experience: Prior contributions to high-traffic Web3 gaming or DeFi protocols.
Work Type
Full-time
Compensation (negotiable)
Monthly: $5k –$10k/month (Full-time)
Tools & Technologies
Solidity, Hardhat, Foundry, OpenZeppelin, Ethers.js, Web3.js, Polygon, Ethereum, IPFS, GamerHub Multi-Chain SDK.
[（ 2 ） Blockchain Engineer ]
About job 🌐 Company: DV Labs 🕹️ Project: Web3 GamerHub 📅 Timeline: 3 - 4 years 🌍 Location: Fully Remote
Role Summary The Blockchain Engineer at GamerHub builds and maintains the core infrastructure powering our multi-chain gaming aggregator. You will design and operate the secure, scalable systems that connect in-game assets, NFTs, and platform tokens across multiple networks.
This role focuses on on-chain infrastructure, RPC node operations, indexing services, and cross-chain integrations—the vital backbone that ensures our decentralized ecosystem remains fast, reliable, and transparent for a global community of gamers.
Responsibilities
• Infrastructure Management: Design and maintain the platform's blockchain infrastructure, including Solana and EVM RPC endpoints, nodes, and high-performance indexers.
• Middleware Development: Build robust middleware services in TypeScript or Node.js for seamless communication between our MongoDB backend and various blockchain networks.
• Cross-Chain Integration: Implement and optimize cross-chain functionality and data oracles to support multi-network compatibility for assets and identity.
• Data Indexing: Develop and manage subgraphs (via The Graph) or custom indexers to ensure real-time tracking of NFT mints, transfers, and reward distributions.
• Layer 2 Strategy: Evaluate and integrate Layer 2 solutions (e.g., Polygon, Arbitrum) to minimize transaction costs for users while maintaining security.
• Performance Monitoring: Monitor blockchain uptime and transaction latency across multiple environments, ensuring 24/7 reliability for the aggregator.
• Collaboration: Partner with the Smart Contract and Backend teams to integrate Web3 features like social-to-wallet onboarding and non-custodial asset management.
• Security & Standards: Enforce best practices for blockchain data handling, storage, and secure interaction with decentralized protocols.
Required Skills & Qualifications
• Experience: 4+ years in software engineering with a heavy focus on blockchain infrastructure and multi-chain systems.
• EVM Mastery: Strong experience with EVM-compatible networks (Ethereum, Polygon, BSC) and their underlying architecture.
• Tooling Proficiency: High proficiency in Node.js, TypeScript, Ethers.js, and Web3.js. • On-Chain Depth: Hands-on experience with RPC management, IPFS for decentralized storage, and indexing frameworks like The Graph.
• Infrastructure Mastery: Familiarity with Docker, Kubernetes, and automated CI/CD pipelines for blockchain services.
• Communication: Ability to design and document complex technical architectures for a remote, global engineering team.
Preferred Skills
• Non-EVM Knowledge: Specific experience with Solana (Rust/Anchor) and its unique data structures.
• Oracle Integration: Knowledge of Chainlink (VRF, Price Feeds) and other decentralized oracle protocols.
• Analytics: Exposure to Web3 analytics, block explorer APIs, and custom transaction monitoring tools.
• GameFi Background: Previous work on gaming aggregators, NFT marketplaces, or high-volume DeFi protocols.
Work Type
Full-time
Compensation (negotiable)
Monthly: $4k – $8k/month (Full-time)
Tools & Technologies
Node.js, TypeScript, Ethers.js, Web3.js, The Graph, IPFS, Solana Web3.js, Docker, Kubernetes, Hardhat.
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