harish2724

Blockchain Engineer

Blockchain Engineer with 3+ years of experience in full-stack software development and blockchain engineering (Hyperledger Fabric, Ethereum). Recent
graduate with a master’s in information technology and analytics from Rutgers University. Skilled in developing resilient and scalable microservices,
accessible-rich user interfaces, event-driven and service-oriented architectures, micro front-end architectures, operating systems (macOS, Windows,
Linux), DBMS (SQL and NoSQL), communication paradigms (RESTful API, gRPC, GraphQL), distributed systems (multi-threading, transactions,
caching), automation, and monitoring.



Experience: 3 years

Yearly salary: $90,000

Hourly rate: $40

Nationality: πŸ‡ΊπŸ‡Έ United States

Residency: πŸ‡ΊπŸ‡Έ United States


Experience

Blockchain Engineer
zeeve
2021 - 2025
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%.

Skills

aws
ethereum
ethereumjs
hyperledger-fabric
javascript
layer-2
mern
node
polkadot
polygon
react
solidity
typescript
web3js
zk-evm
zk-rollup
english
kannada