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…
Ust-Kamenogorsk, East Kazakhstan, Kazakstan
$40/hr · Starting at $120
Hello! I am an IT developer. I am able to offer smart contracts security services and other IT solutions. My services: - Frontendend React, Angular, Tailwind CSS. - Backend Node.js, Express.js, M…
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…
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
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
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.
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,
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…
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…
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…
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…
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…
Paklay, Xaignabouri, Laos
Past Earnings
$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…
Surat, Gujarat, India
$10/hr · Starting at $25
1) Great Food Taste and Quality 2) 100% Organic Dosa 3) Have Paper Dosa cater your next function or party.
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
240/yr · 100%
$5/hr · Starting at $25
Hello there! I am Hassan, a blockchain developer, and an expert in cryptocurrency and smart contracts. If you're looking for a trustworthy, experienced, and friendly professional, I'm here to help. Th…
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…
Paris, Ile-de-France, France
$40/hr · Starting at $3,000
Kodkodkod is a development studio imagined and created by developers. NFT / Blockchain / Web are our expertise! Our values: simplicity, requirement, benevolence, trust, fairness, humility.Here, we do
Huntsville, Alabama, United States
$1,000/hr · Starting at $400
Hello clients, I’ll develop blockchain wallet App as per your requirements Bitcoin (BTC) Ethereum (ETH) Binance Coin (BNB) Bitcoin Cash (BCH) Cardano (ADA) Dogecoin (DOGE) Internet Computer (ICP) Lit…
Indore, Madhya Pradesh, India
$14/hr · Starting at $25
BitPesa is a digital foreign exchange and payment platform that leverages blockchain settlement to significantly lower the cost and increase the speed of business payments. User can sign up for either…