Ai Developer

● Built comprehensive React analytics dashboard with Ethers.js backend connecting to Layer 1 blockchain infrastructure, implementing WebSocket subscriptions for real-time event listeners and blockchain data visualization with responsive design and accessibility standards ● Designed reusable React hooks library for Web3 interactions including wallet management, network switching, contract ABIs, and transaction signing, enabling rapid DApp development across teams and establishing patterns for state management with blockchain providers ● Architected Layer 1 blockchain protocol using Go-based Byzantine Fault Tolerant consensus (Tendermint-inspired architecture), coordinating distributed validator nodes and establishing block finality mechanisms with network resilience standards across geographically distributed infrastructure ● Developed fraud detection pipeline combining Python (Django/Flask) backend processing with TensorFlow deep learning models, implementing anomaly detection for transaction analysis with production monitoring and drift detection frameworks ● Engineered validator infrastructure including key management systems (BIP-32/39/44 hierarchical deterministic derivation), cold/hot wallet architectures with HSM integration, and secure signing mechanisms for protocol-level custody and asset protection ● Optimized Merkle tree state management through Patricia trie implementation with LevelDB/RocksDB storage engines, enabling light client verification with minimal bandwidth requirements for mobile and IoT blockchain clients ● Conducted comprehensive security audits collaborating with specialized security firms (Trail of Bits, OpenZeppelin), implementing formal verification checks, defining security assessment frameworks across protocol stack, and addressing identified vulnerabilities pre-mainnet launch

● Built DeFi frontend platform using React with Web3.js integration, implementing wallet connectivity, transaction management, and real-time blockchain event subscriptions with custom React hooks for state synchronization and error handling ● Developed production Solidity smart contracts for AMM pools and lending protocols, conducting thorough security reviews and establishing patterns for contract architecture emphasizing gas optimization, reentrancy protection, and safety mechanisms ● Engineered blockchain indexing service using The Graph Subgraph development, designing schema architecture for efficient querying of on-chain events, supporting complex filtering and aggregations for DeFi analytics platforms ● Built peer-to-peer networking layer using libp2p with Go for decentralized node discovery, implementing gossip protocols for message propagation and consensus participation in distributed validator networks ● Designed legacy system modernization strategy transitioning monolithic Java applications (Spring Framework) to Node.js microservices architecture, establishing RESTful API patterns and containerization with Docker orchestration ● Established code review processes, testing frameworks (Jest, Mocha), and CI/CD deployment procedures for production systems ensuring reliability and security standards across development teams

● Designed distributed database replication system achieving fault-tolerant data consistency with ACID compliance and Byzantine fault tolerance principles, establishing architectural patterns foundational to blockchain state management ● Implemented cryptographic signing protocols for high-volume financial transaction processing using ECDSA, achieving compliance with banking standards (FINRA, PCI-DSS) and establishing foundations for blockchain security practices ● Built consensus-based reconciliation systems for financial record integrity with distributed fault tolerance, designing dispute resolution mechanisms foundational to blockchain consensus theory and protocol reconciliation ● Developed compliance frameworks adhering to banking standards (FINRA, PCI-DSS), implementing secure transaction workflows and audit trails establishing patterns for regulated blockchain applications