Senior Backend Engineer | Web3 & Blockchain Architect | Wallet Architecture, L1/L2,Distributed Systems | AI Agents| Payment

💡 Expertise • Backend Architecture: Golang, Java, Python | PostgreSQL, Redis, Kafka | AWS/GCP, Kubernetes • Blockchain Development: L1/L2 protocol design, custom DPoS consensus (20x performance gain), Solidity smart contracts, DeFi, upgradeable patterns, security auditing • Distributed Systems: Real-time data processing, P2P networks, microservices at scale (35K+ concurrent connections) • End-to-End Delivery: From protocol design to backend APIs, infra automation, and production deployment 📈 Proven Impact • Architected blockchain-backed backend systems serving 100M+ BitTorrent users, driving 1M+ DAU growth • Led design of high-performance consensus protocol with 20x transaction throughput boost • Built scalable Web3 platforms from scratch — integrating smart contracts, identity/auth, reward systems, and on-chain automation • Delivered secure, production-grade infrastructure across both traditional cloud systems and decentralized environments deposits, withdrawals, balance management, and on-chain/off-chain payment flows 🎯 Seeking: Senior/Staff Software Engineer roles in Backend, Web3 Infrastructure, or Distributed Systems SKILLS • Languages: Golang, Java, C /C++, Python, Solidity, JS/Typescript/Html5/CSS3, terraform • DB/Tools: PostgreSQL, MySQL, Redis, Docker, Kafka,AWS cloud, Grafana, Git, influx DB, Agile/JIRA • Frameworks: Spring Boot, Kit/Gorria/Mux, foundry, React/Redux/express.js, Node.js, Django, Zookeeper/Dubbo, Sci-kit learn/TensorFlow’s, thrift, Protocol buffer • Knowledge: OOD/OOP, MVC, fuse file system, gRPC , blockchain, cryptography, (Peer-to-Peer)P2P , L2 blockchain, L1 blockchain