Solidity Developer
Senior Blockchain Engineer
I ship smart contracts, build the full backend a dApp needs to run, and audit the security — end to end. 5+ years building production-grade Solidity contracts, DeFi protocols, and Web3 infrastructure across Ethereum, Polygon, and BNB Chain. Full lifecycle ownership: contract architecture → security audits (Slither, MythX) → backend APIs → mainnet deployment. Shipped 3 mainnet-deployed products, architected a multichain indexing engine across 6+ EVM chains, and led teams of 5 engineers. Experienced in ERC-4337 Account Abstraction, upgradeable proxy patterns, DeFi protocol integration, and gas optimization.
Experience: 5 years
Yearly salary: $60,000
Hourly rate: $30
Nationality: 🇮🇳 India
Residency: 🇮🇳 India
Experience
Web3 Product Engineer — Smart Contracts & DeFi
Kreatorverse 2022 - 2024
Led a team of 5 engineers delivering 3 mainnet-deployed Web3 products across DeFi, NFT, and tokenomics verticals. Engineered INTRXN — a Polygon mainnet crypto billing system using Solidity CREATE2 and forwarder contracts for automated merchant fee deduction; full lifecycle from contract design through Chai/Mocha testing to internal audit and mainnet deployment. Developed CURD tokenomics engine with a Redemption smart contract managing token distribution and vesting schedules across multiple stakeholder classes. Designed FU Capital’s DeFi debt-banking platform — authored core NFT and Marketplace contracts; ensured audit-readiness using Slither, MythX, and peer review across ERC721A, ERC1155, and multisig contracts. Architected CI/CD pipelines on AWS (EC2, ECS, Elastic Beanstalk) with Docker, Redis, and PM2 for zero-downtime deployments.
Smart Contract Developer — Quorum Blockchain
Cognizant 2021 - 2022
Built and maintained enterprise-grade backend systems on Quorum Blockchain using Solidity, Web3.js, and Truffle for the BLESS platform. Developed deep expertise in EVM internals, private chain contract deployment pipelines, and QA automation for enterprise use cases.
Skills
aws
git
hardhat
mongo
node
python
react
remix
truffle
typescript
web3
solidity
english
hindi