Bhavnagar, Gujarat, India
$20/hr · Starting at $100
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…
Surat, Gujarat, India
$18/hr · Starting at $25
1) A trusted world-class operation designed specifically for knowledgeable crypto-investors. 2) One-stop source for in-depth, comprehensive information on 190+ cryptocurrency.
Lahore, Punjab, Pakistan
$20/hr · Starting at $1,000
About me: I’m an enthusiast of BlockChain and Decentralized Systems. I have been working as a project manager/Head of software development in so many projects/products where I developed the applicatio…
jhawrian, Punjab, Pakistan
340/yr · 100%
$5/hr · Starting at $25
I am Hassan, a blockchain developer, and an expert in cryptocurrency and smart contracts. If you're looking for a trustworthy, experienced, and friendly professiona. This service includes: - ERC20 / B…
Jaipur, Rajasthan, India
$15/hr · Starting at $300
We are team who build more than 50 sites for ICO and Exchange sites but these are our latest work portfolio for your information. We are expert in centralized/decentralized exchange and smart contract…
Bengaluru, Karnataka, India
$15/hr · Starting at $500
Hi, Greetings :-) My name is Shakeel Ahamad Khan and I work as a BLOCKCHAINS(Bitcoin, Ethereum, Hyperledger, Lisk, etc.) FREELANCER. Just wanted to give you all a brief heads up on my background:- 1.
Ouistreham, Nord-Pas-de-Calais, France
$25/hr · Starting at $1,000
- Skillful with Blockchain Architecture - Working on the famous chain like Ethereum, BSC, Polygon, Tron, XRP, Fantom, ... - Developing Dapp with React.js, Vue.js, React Native - NFT Development(from A…
Naaldwijk, Zuid-Holland, Netherlands
$50/hr · Starting at $40
Are you looking for a gas-optimized and trouble-free smart contract? Well, you are at the right service. I can convert your idea into a full-scale project which will forever live on the blockchain. I
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…
Truskavets, L'vivs'ka Oblast', Ukraine
ID Verified
$40/hr · Starting at $1,000
⭐⭐⭐Here are my specialist in Blockchain Development⭐⭐⭐ ✔Solidity, Solana, Rust ✔ERC-20, ERC-721, ERC-1155 ✔Dapp, Cryptocurrency, Smart Contract, NFT Marketplace ✔ Roadmap, Mint, Stake, Fork ✔Web3.js,
Toronto, Ontario, Canada
$30/hr · Starting at $60
As a senior blockchain developer, I have rich and strong experience in build NFT minting & staking & marketplace with React.js & Node.js for frontend and backend and smart contract on multiple chains…
Sydney, New South Wales, Australia
$20/hr · Starting at $50
As a skilled blockchain developer I can provide you to write smart contract in EVM, Solana, Aptos and Cosmos chains. I have built several Dapps and Defi like NFT marketplace, Dex, Token launchpad, Cas…
ikeja, Lagos, Nigeria
$50/hr · Starting at $5,000
I would like to help you for your blockchain project with some of my below expertise services. Smart Contracts development using Solidity Web3 integration Unit testing and testing using testnets such
East Rochester, New York, United States
$30/hr · Starting at $500
- 4+ years of experience in developing smart contracts using Solidity and Cadence. - Experience in DAPP development and interact with EVM/Solana/Flow/Stacks blockchain platform - Coursework includes…
Umka, Central Serbia, Serbia
$50/hr · Starting at $1,000
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…
Pune, Maharashtra, India
$12/hr · Starting at $1,000
Smart contracts, Defi, Dex, NFT and Games full stack developer. I have the following skill set : *Smart Contract development/test/audit of ERC20, ERC721, ERC1155, BEP20, SPL * OpenZeppelin, Truffle, h…
Tehuacan, Puebla, Mexico
$25/hr · Starting at $50
A software developer who is responsible for all phases of software development, from requirements gathering and analysis to design, development, testing, and support. Owner with excellent requirements…
Odesa, Odes'ka Oblast', Ukraine
Past Earnings
$30/hr · Starting at $25
Key Skills Ethereum, Solidity, Web3.js, dApp, Rust, Solana, DEX ✌ Communication Approach I prioritize effective communication and collaboration in all my projects. Whether it's discussing project
Paklay, Xaignabouri, Laos
$40/hr · Starting at $500
Thanks for your checking my service. I had a 5+ years experience for Blockchain Software Development. - Dapp with rust smart contract and web3.js - Defi with solidity smart contract - Dex with p…
Butwal, Western Region, Nepal
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…