Jaipur, Rajasthan, India
$20/hr · Starting at $100
We provide services for block chain including - Private block chain like HyperLedger fabric and HyperLedger Indy - Smart Contract development on Solidity - Smart Contract deployment on any network -
roma, Roma, Italy
$50/hr · Starting at $100
Smart contract, ICO, POC, Exchange, Crypto website, white paper, working mainly with Bitcoin and Ethereum.
Bhavnagar, Gujarat, India
Token & Coin Development - Services and DApps based on Blockchain - ICO, ERC-20, ERC-223, ERC-721, IPFS, Solidity, Smart Contract development & audit - Gambling and Casino smart contracts - Cryptocurr…
Miami, Florida, United States
$50/hr · Starting at $1,000
Build solidity smart contracts and dApps for NFT marketplace, NFT minting websites, NFT game and Defi protocol(vesting, staking, farming, borrowing, lending), DEX platforms, ICO, IDO, IEO Develop feat…
Krasnodar, Krasnodar, Russian Federation
$50/hr · Starting at $150
Hello! I am new on upwork , but I have rich experience in blockchain software fields. My Skills fields 1. erc20/bep20, erc721/bep721, erc1155 smart contract etc 2. web3.js, node.js, react.js 3. integ…
Bucha, Kharkivs'ka Oblast', Ukraine
Past Earnings
$40/hr · Starting at $100
Hi, I am a blockchain and smart contract developer, writing smart contracts(ERC721), Polygon to reduce gas fees, creating cryptocurrencies, and launching ICOs, Dapps with about 2 years of experience w…
Ifite Awka, Anambra, Nigeria
If you are looking for a reliable full-stack developer for your web3 development, you are at the right place. I have 2 years expriences in developing and building Dappa nd Defi. I have solid skills in…
Moskva, Moskva, Russian Federation
$15/hr · Starting at $50
We are having 10+ years experience with proficiency in NFT Marketplace |Smart Contract Development | Blockhain Development | ICO | Cryptocurrency | Smart Contract | dApps| Website | Mobile Apps. Hello…
Anaheim, California, United States
$40/hr · Starting at $2,000
This is a simple minting dapp. Smart contract had been provided from other devs and I needed to develop frontend and web3 integration. Really, smart contract is easy to develop and fork from other sit…
Chernihiv, Chernihivs'ka Oblast', Ukraine
ID Verified
$35/hr · Starting at $500
I can fork and develop Defi websites on Ethereum & Binance Smart Chain (BSC) using solidity Smart contract and React & Web3js. I can build a unique blockchain defi website with your special idea. Also…
Moradabad, Uttar Pradesh, India
$20/hr · Starting at $40
Experienced Blockchain Developer and Web3 Specialist with 4+ years in the industry, offering comprehensive blockchain solutions and consultancy services. I specialize in: 1. Smart Contract Development…
Harbin, Heilongjiang, China
$50/hr · Starting at $5,000
-HTML/CSS3, Javascript, Typescript, ES6+, React.js, Angular2+, Vue.js -Cryptocurrency Exchange Site (based on ETH, BTC, NEO) - ICO (Ethereum, Waves) -ERC20-23, Solidity, Smart Contract, Web3, Truffle…
Chiyoda, Tokyo, Japan
I have the lots of experience in developing the cryptocurrency exchange and managing that. I have developed the 2 cryptocurreny exchanges and I am currently managing 1 cryptocurrency exchange.
Kragujevac, Central Serbia, Serbia
$30/hr · Starting at $500
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Yerevan, Yerevan, Armenia
$25/hr · Starting at $500
You are looking for a responsible developer to quickly create a DApp, smart contracts, NFT, website or all at once - welcome! I am a Solidity developer with experience in creating smart contracts in v…
New York City, New York, United States
$30/hr · Starting at $3,000
NFT Smart Contract Development in Ethereum Solidity Solidity is used for writing smart contracts that run on Ethereum's blockchain, enabling the creation of unique, indivisible, and verifiable digital…
Surat, Gujarat, India
$8/hr · Starting at $400
Smart Contract for Token or Defi project which is based on Ethereum.Professional and certified blockchain Architecture with strong knowledge of Ethereum and Blockchain. We can help you with this DeFi
Butwal, Western Region, Nepal
$25/hr · Starting at $50
I am a blockchain developer.I can design and develop decentralized applications based on blockchain.I have experience in developing De-Fi ,NFTs,Games,DAOs,DEXs,Bridges across multiple blockchains.I ca…
DanDong Shi, Liaoning, China
$20/hr · Starting at $2,500
I have experiences in blockchain technologies for more than 5 years. I can work for coin fork, create new blockchain network, create smart contract for erc20, erc721, erc777, etc. also, I can work in
Ridgecrest, California, United States
$32/hr · Starting at $30
Hello everyone! I'm a professional Blockchain engineer with Web(frontend + backend). I've completed a lot of Defi and DEX projects on Ethereum Blockcahin for 5 years. Currently, I have rich experience…