Salman S.
Blockchain Developer | Smart Contracts | Web3 | DeFi | NFTs
Building a blockchain product takes more than writing smart contracts it requires secure architecture, scalable development, and a seamless user experience. I help startups, founders, and businesses turn blockchain ideas into production ready Web3 solutions. Whether you need a custom smart contract, DeFi platform, NFT marketplace, token launch, or a full-stack dApp, I build solutions that are secure, efficient, and designed to scale. What I Can Help You Build • Smart Contracts (Solidity & Rust) • DeFi Platforms (Staking, Yield Farming, Liquidity Pools) • ERC-20, ERC-721, ERC-1155 & SPL Tokens • NFT Marketplaces & Minting Platforms • Full-Stack Web3 dApps • Crypto Wallet Integration (MetaMask, WalletConnect, Phantom) • Token Launches, DAOs & Tokenomics • Smart Contract Audits & Gas Optimization Tech Stack Blockchains: Ethereum, Solana, BNB Chain, Polygon, Avalanche Tools: Solidity, Rust, Hardhat, Foundry, Truffle, OpenZeppelin, Ethers.js, Web3.js, IPFS, Chainlink Frontend & Backend: React, Next.js, Node.js, TypeScript, Python I believe in writing clean, secure, and well-tested code while keeping communication clear throughout the project. If you're looking for a reliable blockchain developer who can turn your Web3 idea into a real product, let's connect. Keywords: Blockchain Development, Smart Contract Development, Solidity, Web3, Ethereum, Solana, DeFi, NFT, dApp Development, Token Development, Crypto Wallet Integration, Layer 2, Tokenomics, Smart Contract Audit.
Earnings and projects
Last 6 months ÷ 6
Read daily since Oct 24, under 30 days
Billed in all: $1,163$1.2k
$277 in the last 6 months
Across 11 contracts
Earnings, last 30 days
Tracked from Oct 24, 2026.
Skill rankings: Top 16% in DApp Development
Ranked by MRR among everyone on Upwork with the skill.
- #7ERC-2026 freelancers · 🇵🇰 #4Top 27%🇵🇰#4 of 7
- #9MetaMask20 freelancers · 🇵🇰 #4Top 45%🇵🇰#4 of 5
- #10Hardhat31 freelancers · 🇵🇰 #2Top 32%🇵🇰#2 of 5
- #21DApp Development131 freelancers · 🇵🇰 #7Top 16%🇵🇰#7 of 41
- #45DeFi219 freelancers · 🇵🇰 #14Top 21%🇵🇰#14 of 48
- #47Smart Contract Development225 freelancers · 🇵🇰 #12Top 21%🇵🇰#12 of 51
- #53Solana270 freelancers · 🇵🇰 #18Top 20%🇵🇰#18 of 60
- #89Ethereum531 freelancers · 🇵🇰 #17Top 17%🇵🇰#17 of 97