harish551
Senior Software Engineer
Senior Blockchain Engineer with 6+ years of experience building and operating production-grade blockchain infrastructure and Layer-1 protocols. Core contributor to the OmniFlix blockchain, with strong expertise in Cosmos-SDK module development, smart contract development (EVM, CosmWasm), and validator infrastructure. Proven experience launching and operating networks with 50+ validators and supporting DeFi protocols, Strong focus on correctness, reliability, and security in distributed systems
Experience: 6 years
Yearly salary: $120,000
Hourly rate: $50
Nationality: 🇮🇳 India
Residency: 🇮🇳 India
Experience
Sr Software Engineer
Cosmic Tech Labs 2020 - 2024
• Led OmniFlix Hub (L1 blockchain) launch coordination with 50+ ecosystem validators, managing governance proposals and ensuring network stability during critical protocol upgrades • Contributed to the design and deployment of the StreamSwap protocol, helped bootstrap $3M+ in token value across 30+ streams, generating 4.2% protocol revenue • Built blockchain data indexer (CQRS architecture) serving as the data layer for L1 chain with independent horizontal scaling • Implemented OmniFlix TV – Web3 media publishing platform using IPFS (source) and Cloudflare CDN for global content delivery • Developed event ticketing system for blockchain/Web3 conferences with on-chain verification • Owned production-grade validator infrastructure with automated alerting and failover, achieving 99.9% uptime
Software Engineer
Cosmic Tech Labs 2019 - 2020
• Contributed to a cross-chain interoperability project and participated in Game of Zones, winning the Best Custom Zone award by demonstrating interoperable NFT assets. • Implemented secure networking interfaces in Go for a decentralized VPN (dVPN) project, integrating WireGuard and IKEv2 for node connectivity and tunnel management. • Developed Python and Go-based Telegram bots for gated access control and automation, enabling wallet-based verification and subscriber alerting workflows
Skills
aws
backend
blockchain-engineer
devops
ethereumjs
evm
hardhat
infrastructure
node
smart-contract
solidity
english
hindi
telugu