Staoueli, Alger, Algeria
$75/hr · Starting at $320
I will be your blockchain developer. I can help you in your Ethereum Solidity Smart Contracts. I can make Custom Smart Contracts on EVM as per your terms and Conditions. I will do test on the testne
Chernivtsi, Chernivets'ka Oblast', Ukraine
$30/hr · Starting at $500
Main directions: Smart contract development, DApp development, Private blockchain development, Mining pools development & configuration. Blockchain related projects: Web & Mobile crypto wallets devel…
Dhaka, Dhaka, Bangladesh
$20/hr · Starting at $50
Hi i'm senz Are you looking for a smart contract developer with real-world experience to help you with your blockchain project? Look no further! With 1 year of experience in Solidity, Ethereum, and ot…
Pasadena, Texas, United States
$40/hr · Starting at $1,000
Hello, Nice to meet you. ✨I have vast experience Web3|blockchain Development including Solidity and Rust smart contract development and Web3 Frontend integration. ✨I worked as a smart contract and web…
Hong Kong, Hong Kong, Hong Kong
$20/hr · Starting at $25
We can help you creating ERC20 tokens for your ICO and developing smart contracts for funds collection and distribution.
Winterthur, Zurich, Switzerland
$40/hr · Starting at $25
Experienced blockchain/backend expert with extensive experience in Solidity, smart contracts, Ethereum, Flashbots, C++, Python, NodeJS and MySQL. Expert knowledge of the Ethereum network, and the late…
Islamabad, Islamabad, Pakistan
$25/hr · Starting at $1,000
I am an expert blockchain developer. Having experience with ICOs and crypto exchanges. Having good knowledge of Ethereum smart contracts. Geth , Ganache , Truffle and web3.
Kuala Lumpur, Kuala Lumpur, Malaysia
$5/hr · Starting at $25
We also do Blockchain software and ICO Solution, Blockchain Mob specializes in custom blockchain-based software development Services, Smart Contracts. The best and most efficient ICO software can't cr…
Kharkiv, Kharkivs'ka Oblast', Ukraine
Past Earnings
With 3 years of experiences and skills in blockchain and cryptocurrency technology - Smart Contract Development - Deep understanding for Ethereum - Web3 and Ethereum development tools - Cryptocur…
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 -
Santa Clara, California, United States
$1,000/hr · Starting at $100
Welcome to my gig. I have been developing smart contracts and blockchain projects everyday for the past 800 days. I offer testnet with all my gigs so you can be assured that what you ordered is exactl…
$35/hr · Starting at $600
- Cryptocurrency tech: * Crypto Coins Exchange Development * Custom Blockchain Development * ICO Development with Created Token ( Coin ) * Smart-Contracts (Solidity, Truffle framework) * Token develop…
Rawalpindi, Punjab, Pakistan
ID Verified
$15/hr · Starting at $70
I am an expert Smart Contract Developer who specializes in creating decentralized applications (dApps) using the Solidity language for the Ethereum blockchain. With years of experience in the blockcha…
roma, Roma, Italy
$50/hr · Starting at $100
Smart contract, ICO, POC, Exchange, Crypto website, white paper, working mainly with Bitcoin and Ethereum.
$15/hr · Starting at $50
Hi, I’m Blockchain Developer & Auditor in Solidity currently working as a freelancer on Upwork. I will create and review smart contracts, blockchain infrastructure code, and decentralized applications…
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…
Marrakech, Marrakech-Tensift-Al Haouz, Morocco
$100/hr · Starting at $60
You want to get started in your NFT project so you need a professional job that will make you proud with your community, i will develope your nft smart contart , landing page , deployment and also up
SAHIWAL, Punjab, Pakistan
$20/hr · Starting at $2,500
I am MEAN stack developer and have great great expertise in solidity framework and have exceptional skills in block chain development and specially smart contract development based on ethereum ERC 20
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…