Blockchain Developer

Blockchain Developer with 5 + years of experience specializing in Solidity smart contract development, DeFi protocols, Web3 applications, and blockchain infrastructure. Strong expertise in ERC-20, ERC-721, ERC-1155, TRC-20, TRC-721, staking, ICOs, launchpads, DEXs, cross-chain governance, NFT royalties, vesting contracts, wallet development, cross-chain swaps, and governance mechanisms. I also have experience with compliance-focused token standards such as ERC-3643 for Real World Assets (RWA), including identity-aware transfers and permissioned token flows. I have hands-on experience integrating institutional digital-asset infrastructure and compliance solutions, including Fireblocks for secure digital-asset custody, wallet management, transaction workflows, and blockchain asset operations, and Sumsub for KYC/KYB, identity verification, AML/compliance workflows, and user onboarding.

I also have experience building and deploying Layer-1 blockchains using Geth and Cosmos/EVM with PoA, PoS, and DPoS consensus models, including implementation of staking logic, governance modules, validator economics, and blockchain infrastructure. Experienced with Terraform for infrastructure-as-code, environment provisioning, and deployment automation.

Technically proficient in Solidity, Ethereum, Binance Smart Chain, Polygon, Web3.js, Ethers.js, Node.js, TypeScript, SQL, React.js, Fireblocks, Sumsub, Terraform, and blockchain infrastructure, with experience designing, testing, optimizing, securing, and deploying production-grade blockchain systems.

Key Skills: Solidity, DeFi & Tokenomics, ERC-20/721/1155/3643, TRC-20/721, NFT & Staking Systems, Smart Contract Security, Upgradeable Contracts, Hardhat, Foundry, EVM & Cosmos SDK, Web3.js/Ethers.js, Node.js, React, Fireblocks, Sumsub, KYC/KYB & AML, Terraform, Infrastructure as Code, Cross-Chain Architecture, Wallet Infrastructure, Digital Asset Custody