harish2724

Developed a Hyperledger Fabric platform for creating and managing blockchain networks, focusing on organization setup, channel creation, chaincode deployment, CA configuration, and consensus operations, reducing setup time by 90%+ and supporting 2000+ networks. Implemented multi-organization deployment flows for Hyperledger Fabric networks using Kubernetes, Terraform, RabbitMQ, Prometheus, and Grafana, enabling network management across 500+ organizations with better monitoring and operational support. Built backend services using Node.js, Go, TypeScript, PostgreSQL, CouchDB, and RESTful APIs for network provisioning, chaincode lifecycle, event processing, and admin operations, reducing manual configuration effort by 80%+. Developed backend and blockchain services for SafeGold, implementing distributed ledger based gold transaction tracking and ownership management on Hyperledger Fabric, processing 10k+ transactions per day. Implemented ownership history, transfer records, transaction status, and verification flows for SafeGold digital gold transactions, improving traceability and reducing disputes in high-volume transaction data. Designed and developed Hyperledger Fabric services for tAssets invoice discounting platform, implementing invoice tokenization, ownership validation, and settlement workflows, increasing vendor retention by 15%. Built transaction processing workflows for tAssets to manage invoice ownership, credit tracking, repayment updates, and transaction validation, processing transactions worth 1M+ INR per day. Developed SmartFlow, a no-code integrated workflow platform for Energy Web on Polkadot, enabling on-demand custom workflows and B2B data exchange, reducing workflow deployment time by 50%. Developed a secure service using Hyperledger Fabric for DCB Bank ATM cash-replenishment with digital locks, implementing real-time OTP based dual custodian verification, preventing fraud and disputes across 1000+ bank ATMs. Built TraceHawk, a blockchain explorer supporting 10+ EVM compatible chains and layer-2 networks, including optimistic rollups and zkSync, indexing millions of transactions and enabling users to view, validate, and analyze on-chain transactions in real time. Developed a decentralized gaming application using Solidity and Ethereum, handling on-chain game logic and automated reward execution for 5000+ users, integrating a Node.js backend with RESTful APIs for off-chain communication. Enhanced application reliability through comprehensive unit, integration, and end-to-end testing using Jest, Go testing, and Hardhat, increasing test coverage to 90% and reducing critical bugs. Utilized Docker, Kubernetes, and GitLab CI/CD pipelines for automated deployment, streamlining the release process and reducing product delivery time by 80%.