Maheswaran Velmurugan
Full-Stack Blockchain Developer and Smart Contract Security Researcher
Tamil Nadu, India
Blockchain developer with 3+ years shipping production smart contracts across 7 chains (EVM, Solana, Starknet, Polkadot, Aptos, Rootstock, Stacks). Delivered a Foundation-funded developer toolkit with 32.6% verified gas savings and 224 NPM downloads. Security-first mindset from 20+ confirmed audit findings. 2024 Polkadot Blockchain Academy graduate.
Work Preferences
Salary
USD 35,000
Skills
Work Experience
Smart Contract Security Researcher
Sherlock · Code4rena · Immunefi
Jan 2023 — Present
20+ confirmed findings (Highs and Mediums) across 10+ contests. POC-first methodology. Ranked #45 on Ammplify and #48 on Super DCA (Sherlock). Focus: ERC-4626 vaults, Uniswap V3 integrations, DeFi reward accounting, cross-vault share logic, flash loan vectors, and DOS.
Blockchain Developer
FABC Global · Fameguild · Virtust Technologies · Cloudin Labs
Jan 2022 — Present
Shipped ERC-20/721/1155/4626 contracts, P2P exchange settlement, NFT marketplace, and DeFi staking dApp with React/Next.js frontend. Built Polkadot indexers on Azure using Subsquid and deployed cross-chain transfer APIs connecting EVM to Substrate-based networks. Hyperledger Fabric integration for enterprise supply chain client. Subsquid indexers on Rootstock for DeFi analytics. Full-stack: Node.js/Express APIs, MySQL, React, ethers.js, wagmi, web3.js.
Education
Polkadot Blockchain Academy
Developer Graduate · Blockchain Development (Substrate, FRAME pallets, XCM, ink!, parachain architecture)
2024 – 2024
Rathinam College of Arts and Science
BSc · Computer Science — Cloud Technology & Information Security
2021 – 2024