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- Full-time
- Location: Hong Kong
Salary
Start Date
Job Responsibilities
- Frontend Development
- Build streaming DApp frontends using React/Vue3, integrating Web3Modal to support multi-wallet login.
- Develop TVOS interfaces: use the Enact framework (WebOS) or Leanback library (Android TV) to display on-chain content.
- Backend Middleware
- Set up Node.js middleware to handle video metadata on-chain operations (e.g., IPFS CID generation) and store ad click event logs.
- Design high-concurrency architectures: use Redis caching to accelerate on-chain data queries (e.g., user token balances).
- Off-Chain Services
- Develop off-chain computation tasks: dynamically adjust video bitrate based on blockchain storage costs using AWS Lambda.
- Integrate with decentralized storage: implement automatic scaling for IPFS clusters triggered by video upload volume.
- On-Chain Services
- Develop smart contract wallets: implement wallets based on ERC-4337/EIP-6551 standards, supporting basic wallet functionalities.
- NFT & DeFi development: create trading pools for NFT-Token/Token-Token pairs and monitor pool liquidity.
- Contract deployment and upgrades: provide upgrade functionality for all deployed contracts, supporting single or batch upgrades for specified contracts.
- Contract interaction interfaces: encapsulate contract interaction APIs to ensure consistent interface calls.
Job Requirements
- Experience: At least 3 years of experience as a full-stack developer, with at least one live blockchain DApp project (preferably in streaming media/digital content). Experience with TVOS app store deployments (provide package name/download link) is a plus.
- Decentralized Streaming Protocols: Experience in the ecosystem development of decentralized streaming protocols (e.g., LivePeer/Theta).
- Frontend Development: Proficiency in React/Vue3 + TypeScript, with experience in complex state management (e.g., Redux/Pinia). Familiarity with multi-wallet integration solutions like Web3Modal or Web3-Onboard.
- Backend Development: Skilled in Node.js (NestJS/Express) for high-concurrency services, designing REST/GraphQL APIs to bridge on-chain and off-chain data. Expertise in Redis caching strategies (e.g., preventing cache penetration/avalanche) to accelerate on-chain data queries.
- Smart Contract Interaction: Proficiency in ethers.js/web3.js for smart contract interaction. Experience in developing The Graph subgraphs (indexing on-chain events) and handling IPFS file uploads/retrievals (generating CIDs and storing metadata).
- Smart Contract Development: Expertise in Solidity smart contract development and testing, capable of independently handling complex interaction scenarios (preferred).
- NFT & Wallet Protocols: Familiarity with NFT standards, EIP wallet-related protocols, and DeFi protocols (preferred).
- Blockchain Security: Knowledge of blockchain security, capable of testing contract security and preparing risk assessment reports (bonus).
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