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
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
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…
Lahore, Punjab, Pakistan
$35/hr · Starting at $100
Cryptocurrency is the newsest ERA of the world and more easiest and secure way to pay. Coinpayments and Block.io API allows you to accept payments from customer in Bitcoin (BTC), Ether (ETH), Litecoin…
Rososha, Vinnyts'ka Oblast', Ukraine
Past Earnings
$40/hr · Starting at $1,000
I attended so many blockchain project. Used Skills: Strong software development background Experience working with large codebases Experience working with open-source projects Proficiency in one of t…
Tampa, Florida, United States
$50/hr · Starting at $300
I will provide you the best services in blockchain & Smart contract & Dapp development. I am well-versed in the following services: ✓ Smart Contract Development - ERC20, ERC721, ERC721A, ERC1155, BEP…
Karachi, Sindh, Pakistan
$10/hr · Starting at $120
Respected Client! Hello and hope you are fine. I am Muhammad Ubaid and I am Full Stack Web and Blockchain Developer with 2.5+ years of experience in this field. I can create smart contracts using Soli…
$65/hr · Starting at $1,500
Here you will get responsive design for NFT website to sale of your NFTs, All that you will get they're totally hand enciphered from scratch advance custom coding & design like: Mern stack, react JS e…
Bucha, Kharkivs'ka Oblast', Ukraine
$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…
Nairobi, Nairobi, Kenya
$35/hr · Starting at $3,000
We create: Smart contracts-The smart contracts are tested and audited, during the construction we keep in mind all possible security flaws. Connect a wallet. They include a connect wallet and a templ…
Umka, Central Serbia, Serbia
ID Verified
I develop secure and scalable blockchain solutions, including dApps, DeFi applications, NFT marketplaces, and DAO governance tools. Smart contract security and gas optimization are key priorities in m…
Nairobi, Nairobi Area, Kenya
$20/hr · Starting at $50
Looking to develop a custom smart contract for your blockchain project? Look no further! As a blockchain developer with expertise in writing Solidity smart contracts using Hardhat and Ethers.js, I can…
Ifite Awka, Anambra, Nigeria
$50/hr · Starting at $100
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…
Dallas, Texas, United States
$30/hr · Starting at $500
Welcome to review my profile. As a full stack developer in website and cryptocurrency development fields, I have worked and implemented many number of projects so far. During over 9 years, I have expe…
Sunnyvale, California, United States
$60/hr · Starting at $1,000
We are a full stack development team with a deep knowledge of Blockchain and ETH smart contract development. We work with several customers on development and integration projects to 3rd party provid…
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…
Lagos, Lagos, Nigeria
$50/hr · Starting at $250
A passionate Blockchain, Web & Software developer having effective problem solving skills and the ability to quickly understand the needs of my buyers. I can perform any blockchain, web or software de…
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…
Kemerovo, Kemerovo, Russian Federation
$50/hr · Starting at $30
Я разработчик с большим опытом работы в блокчейн-проектах, NFT-играх, смарт-контрактах для коллекций необменяемых токенов на ethereum, работаю с языком программирования Solana. Я помогу и направлю ваш…